Historical US Dollar to Australian Dollar exchange rates for the full year 2018
| Date | Rate | Change |
|---|---|---|
| December 31, 2018 | 1.4166 | +0.064% |
| December 28, 2018 | 1.4157 | -0.338% |
| December 27, 2018 | 1.4205 | +0.120% |
| December 24, 2018 | 1.4188 | +0.703% |
| December 21, 2018 | 1.4089 | +0.521% |
| December 20, 2018 | 1.4016 | +0.668% |
| December 19, 2018 | 1.3923 | +0.194% |
| December 18, 2018 | 1.3896 | -0.266% |
| December 17, 2018 | 1.3933 | -0.186% |
| December 14, 2018 | 1.3959 | +0.911% |
| December 13, 2018 | 1.3833 | -0.238% |
| December 12, 2018 | 1.3866 | +0.000% |
| December 11, 2018 | 1.3866 | +0.000% |
| December 10, 2018 | 1.3866 | +0.007% |
| December 7, 2018 | 1.3865 | -0.043% |
| December 6, 2018 | 1.3871 | +1.160% |
| December 5, 2018 | 1.3712 | +1.248% |
| December 4, 2018 | 1.3543 | -0.044% |
| December 3, 2018 | 1.3549 | -1.124% |
| November 30, 2018 | 1.3703 | +0.506% |
| November 29, 2018 | 1.3634 | -1.346% |
| November 28, 2018 | 1.3820 | +0.152% |
| November 27, 2018 | 1.3799 | +0.102% |
| November 26, 2018 | 1.3785 | -0.376% |
| November 23, 2018 | 1.3837 | +0.363% |
| November 22, 2018 | 1.3787 | +0.029% |
| November 21, 2018 | 1.3783 | +0.189% |
| November 20, 2018 | 1.3757 | +0.387% |
| November 19, 2018 | 1.3704 | -0.479% |
| November 16, 2018 | 1.3770 | +0.022% |
| November 15, 2018 | 1.3767 | -0.678% |
| November 14, 2018 | 1.3861 | -0.122% |
| November 13, 2018 | 1.3878 | +0.065% |
| November 12, 2018 | 1.3869 | +0.464% |
| November 9, 2018 | 1.3805 | +0.656% |
| November 8, 2018 | 1.3715 | +0.029% |
| November 7, 2018 | 1.3711 | -0.760% |
| November 6, 2018 | 1.3816 | -0.597% |
| November 5, 2018 | 1.3899 | +0.180% |
| November 2, 2018 | 1.3874 | -0.316% |
| November 1, 2018 | 1.3918 | -1.375% |
| October 31, 2018 | 1.4112 | +0.142% |
| October 30, 2018 | 1.4092 | -0.142% |
| October 29, 2018 | 1.4112 | -0.815% |
| October 26, 2018 | 1.4228 | +0.915% |
| October 25, 2018 | 1.4099 | -0.057% |
| October 24, 2018 | 1.4107 | -0.311% |
| October 23, 2018 | 1.4151 | +0.497% |
| October 22, 2018 | 1.4081 | +0.535% |
| October 19, 2018 | 1.4006 | -0.029% |
| October 18, 2018 | 1.4010 | -0.228% |
| October 17, 2018 | 1.4042 | +0.171% |
| October 16, 2018 | 1.4018 | +0.021% |
| October 15, 2018 | 1.4015 | -0.093% |
| October 12, 2018 | 1.4028 | -0.468% |
| October 11, 2018 | 1.4094 | +0.014% |
| October 10, 2018 | 1.4092 | -0.550% |
| October 9, 2018 | 1.4170 | +0.134% |
| October 8, 2018 | 1.4151 | +0.078% |
| October 5, 2018 | 1.4140 | +0.184% |
| October 4, 2018 | 1.4114 | +0.944% |
| October 3, 2018 | 1.3982 | +0.366% |
| October 2, 2018 | 1.3931 | +0.614% |
| October 1, 2018 | 1.3846 | -0.123% |
| September 28, 2018 | 1.3863 | +0.181% |
| September 27, 2018 | 1.3838 | +0.246% |
| September 26, 2018 | 1.3804 | +0.145% |
| September 25, 2018 | 1.3784 | +0.255% |
| September 24, 2018 | 1.3749 | +0.080% |
| September 21, 2018 | 1.3738 | +0.066% |
| September 20, 2018 | 1.3729 | -0.565% |
| September 19, 2018 | 1.3807 | -0.576% |
| September 18, 2018 | 1.3887 | -0.309% |
| September 17, 2018 | 1.3930 | +0.137% |
| September 14, 2018 | 1.3911 | -0.014% |
| September 13, 2018 | 1.3913 | -0.919% |
| September 12, 2018 | 1.4042 | -0.355% |
| September 11, 2018 | 1.4092 | +0.299% |
| September 10, 2018 | 1.4050 | +0.616% |
| September 7, 2018 | 1.3964 | +0.504% |
| September 6, 2018 | 1.3894 | -0.323% |
| September 5, 2018 | 1.3939 | +0.158% |
| September 4, 2018 | 1.3917 | +0.295% |
| September 3, 2018 | 1.3876 | +0.238% |
| August 31, 2018 | 1.3843 | +1.066% |
| August 30, 2018 | 1.3697 | -0.117% |
| August 29, 2018 | 1.3713 | +0.838% |
| August 28, 2018 | 1.3599 | -0.417% |
| August 27, 2018 | 1.3656 | -0.270% |
| August 24, 2018 | 1.3693 | -0.204% |
| August 23, 2018 | 1.3721 | +0.971% |
| August 22, 2018 | 1.3589 | -0.169% |
| August 21, 2018 | 1.3612 | -0.548% |
| August 20, 2018 | 1.3687 | -0.502% |
| August 17, 2018 | 1.3756 | -0.044% |
| August 16, 2018 | 1.3762 | -0.571% |
| August 15, 2018 | 1.3841 | +0.581% |
| August 14, 2018 | 1.3761 | +0.138% |
| August 13, 2018 | 1.3742 | +0.431% |
| August 10, 2018 | 1.3683 | +1.513% |
| August 9, 2018 | 1.3479 | -0.170% |
| August 8, 2018 | 1.3502 | +0.424% |
| August 7, 2018 | 1.3445 | -0.702% |
| August 6, 2018 | 1.3540 | +0.007% |
| August 3, 2018 | 1.3539 | -0.331% |
| August 2, 2018 | 1.3584 | +0.764% |
| August 1, 2018 | 1.3481 | +0.111% |
| July 31, 2018 | 1.3466 | -0.385% |
| July 30, 2018 | 1.3518 | -0.317% |
| July 27, 2018 | 1.3561 | +0.608% |
| July 26, 2018 | 1.3479 | -0.059% |
| July 25, 2018 | 1.3487 | -0.059% |
| July 24, 2018 | 1.3495 | -0.067% |
| July 23, 2018 | 1.3504 | -0.369% |
| July 20, 2018 | 1.3554 | -0.616% |
| July 19, 2018 | 1.3638 | +0.257% |
| July 18, 2018 | 1.3603 | +0.726% |
| July 17, 2018 | 1.3505 | +0.349% |
| July 16, 2018 | 1.3458 | -0.598% |
| July 13, 2018 | 1.3539 | +0.037% |
| July 12, 2018 | 1.3534 | +0.081% |
| July 11, 2018 | 1.3523 | +0.640% |
| July 10, 2018 | 1.3437 | +0.546% |
| July 9, 2018 | 1.3364 | -0.890% |
| July 6, 2018 | 1.3484 | -0.207% |
| July 5, 2018 | 1.3512 | -0.207% |
| July 4, 2018 | 1.3540 | +0.215% |
| July 3, 2018 | 1.3511 | -0.632% |
| July 2, 2018 | 1.3597 | +0.406% |
| June 29, 2018 | 1.3542 | -0.587% |
| June 28, 2018 | 1.3622 | +0.628% |
| June 27, 2018 | 1.3537 | +0.141% |
| June 26, 2018 | 1.3518 | +0.468% |
| June 25, 2018 | 1.3455 | -0.052% |
| June 22, 2018 | 1.3462 | -0.840% |
| June 21, 2018 | 1.3576 | +0.192% |
| June 20, 2018 | 1.3550 | -0.426% |
| June 19, 2018 | 1.3608 | +1.235% |
| June 18, 2018 | 1.3442 | +0.448% |
| June 15, 2018 | 1.3382 | +1.179% |
| June 14, 2018 | 1.3226 | +0.341% |
| June 13, 2018 | 1.3181 | +0.205% |
| June 12, 2018 | 1.3154 | +0.046% |
| June 11, 2018 | 1.3148 | -0.273% |
| June 8, 2018 | 1.3184 | +0.957% |
| June 7, 2018 | 1.3059 | -0.008% |
| June 6, 2018 | 1.3060 | -0.571% |
| June 5, 2018 | 1.3135 | +0.690% |
| June 4, 2018 | 1.3045 | -1.755% |
| June 1, 2018 | 1.3278 | +0.782% |
| May 31, 2018 | 1.3175 | -0.544% |
| May 30, 2018 | 1.3247 | -0.361% |
| May 29, 2018 | 1.3295 | +0.461% |
| May 28, 2018 | 1.3234 | +0.174% |
| May 25, 2018 | 1.3211 | -0.159% |
| May 24, 2018 | 1.3232 | -0.331% |
| May 23, 2018 | 1.3276 | +0.736% |
| May 22, 2018 | 1.3179 | -0.783% |
| May 21, 2018 | 1.3283 | -0.158% |
| May 18, 2018 | 1.3304 | +0.158% |
| May 17, 2018 | 1.3283 | -0.561% |
| May 16, 2018 | 1.3358 | +0.105% |
| May 15, 2018 | 1.3344 | +0.854% |
| May 14, 2018 | 1.3231 | -0.068% |
| May 11, 2018 | 1.3240 | -0.876% |
| May 10, 2018 | 1.3357 | -0.351% |
| May 9, 2018 | 1.3404 | -0.119% |
| May 8, 2018 | 1.3420 | +0.570% |
| May 7, 2018 | 1.3344 | +0.353% |
| May 4, 2018 | 1.3297 | +0.120% |
| May 3, 2018 | 1.3281 | -0.255% |
| May 2, 2018 | 1.3315 | +0.438% |
| April 30, 2018 | 1.3257 | +0.166% |
| April 27, 2018 | 1.3235 | +0.212% |
| April 26, 2018 | 1.3207 | -0.159% |
| April 25, 2018 | 1.3228 | +0.731% |
| April 24, 2018 | 1.3132 | +0.382% |
| April 23, 2018 | 1.3082 | +0.747% |
| April 20, 2018 | 1.2985 | +1.169% |
| April 19, 2018 | 1.2835 | -0.334% |
| April 18, 2018 | 1.2878 | +0.023% |
| April 17, 2018 | 1.2875 | -0.008% |
| April 16, 2018 | 1.2876 | +0.366% |
| April 13, 2018 | 1.2829 | -0.527% |
| April 12, 2018 | 1.2897 | -0.054% |
| April 11, 2018 | 1.2904 | -0.162% |
| April 10, 2018 | 1.2925 | -0.920% |
| April 9, 2018 | 1.3045 | +0.161% |
| April 6, 2018 | 1.3024 | +0.169% |
| April 5, 2018 | 1.3002 | -0.108% |
| April 4, 2018 | 1.3016 | +0.162% |
| April 3, 2018 | 1.2995 | -0.154% |
| March 29, 2018 | 1.3015 | +0.023% |
| March 28, 2018 | 1.3012 | +0.208% |
| March 27, 2018 | 1.2985 | +0.425% |
| March 26, 2018 | 1.2930 | -0.093% |
| March 23, 2018 | 1.2942 | -0.216% |
| March 22, 2018 | 1.2970 | -0.369% |
| March 21, 2018 | 1.3018 | +0.293% |
| March 20, 2018 | 1.2980 | -0.108% |
| March 19, 2018 | 1.2994 | +0.783% |
| March 16, 2018 | 1.2893 | +1.122% |
| March 15, 2018 | 1.2750 | +0.806% |
| March 14, 2018 | 1.2648 | -0.174% |
| March 13, 2018 | 1.2670 | -0.346% |
| March 12, 2018 | 1.2714 | -0.920% |
| March 9, 2018 | 1.2832 | +0.164% |
| March 8, 2018 | 1.2811 | -0.008% |
| March 7, 2018 | 1.2812 | +0.384% |
| March 6, 2018 | 1.2763 | -1.131% |
| March 5, 2018 | 1.2909 | +0.054% |
| March 2, 2018 | 1.2902 | -0.271% |
| March 1, 2018 | 1.2937 | +1.047% |
| February 28, 2018 | 1.2803 | +0.321% |
| February 27, 2018 | 1.2762 | +0.078% |
| February 26, 2018 | 1.2752 | -0.235% |
| February 23, 2018 | 1.2782 | -0.047% |
| February 22, 2018 | 1.2788 | +0.385% |
| February 21, 2018 | 1.2739 | +0.457% |
| February 20, 2018 | 1.2681 | +0.388% |
| February 19, 2018 | 1.2632 | +0.318% |
| February 16, 2018 | 1.2592 | -0.166% |
| February 15, 2018 | 1.2613 | -0.841% |
| February 14, 2018 | 1.2720 | -0.173% |
| February 13, 2018 | 1.2742 | -0.125% |
| February 12, 2018 | 1.2758 | -0.398% |
| February 9, 2018 | 1.2809 | +0.000% |
| February 8, 2018 | 1.2809 | +0.763% |
| February 7, 2018 | 1.2712 | -0.353% |
| February 6, 2018 | 1.2757 | +1.310% |
| February 5, 2018 | 1.2592 | +0.639% |
| February 2, 2018 | 1.2512 | +0.136% |
| February 1, 2018 | 1.2495 | +1.355% |
| January 31, 2018 | 1.2328 | -0.210% |
| January 30, 2018 | 1.2354 | -0.057% |
| January 29, 2018 | 1.2361 | -0.049% |
| January 26, 2018 | 1.2367 | -0.089% |
| January 25, 2018 | 1.2378 | -0.137% |
| January 24, 2018 | 1.2395 | -1.188% |
| January 23, 2018 | 1.2544 | +0.432% |
| January 22, 2018 | 1.2490 | +0.032% |
| January 19, 2018 | 1.2486 | -0.224% |
| January 18, 2018 | 1.2514 | -0.279% |
| January 17, 2018 | 1.2549 | -0.207% |
| January 16, 2018 | 1.2575 | +0.032% |
| January 15, 2018 | 1.2571 | -1.031% |
| January 12, 2018 | 1.2702 | -0.110% |
| January 11, 2018 | 1.2716 | -0.259% |
| January 10, 2018 | 1.2749 | -0.196% |
| January 9, 2018 | 1.2774 | +0.031% |
| January 8, 2018 | 1.2770 | +0.133% |
| January 5, 2018 | 1.2753 | -0.078% |
| January 4, 2018 | 1.2763 | +0.039% |
| January 3, 2018 | 1.2758 | -0.133% |
| January 2, 2018 | 1.2775 | -0.164% |
| December 29, 2017 | 1.2796 | — |
The USD/AUD exchange rate averaged 1.3388 in 2018, trading between a low of 1.2328 and a high of 1.4228,a range of 15.4% over the year. The rate rose by 10.71% over the full year, from 1.2796 at the opening of 2018 to 1.4166 at year-end.
Q1 (2018): January through March averaged 1.2719, a -0.60% move from the 2018 opening rate of 1.2796.
Q2 (2018): April through June averaged 1.3223, up 3.97% from Q1.
Q3 (2018): July through September averaged 1.3678, a +3.43% change from Q2.
Q4 (2018): October through December averaged 1.3932, closing the year at 1.4166, a 10.71% gain for USD against AUD from the 2018 open.
Annualized volatility for USD/AUD in 2018 was 8.2%, calculated as the annualized standard deviation of daily log returns across 256 trading days. For reference, major currency pairs average 5–10% annualized volatility in calm years and 12–20% during significant policy or market disruptions. Volatility above 10% generally indicates conditions where hedging currency exposure was material for businesses and travelers with significant USD/AUD exposure.
| Month | Avg Rate | High | Low | vs Prior Month |
|---|---|---|---|---|
| January | 1.2576 | 1.2775 | 1.2328 | — |
| February | 1.2703 | 1.2809 | 1.2495 | +1.01% |
| March | 1.2880 | 1.3018 | 1.2648 | +1.40% |
| April | 1.3011 | 1.3257 | 1.2829 | +1.02% |
| May | 1.3287 | 1.3420 | 1.3175 | +2.12% |
| June | 1.3341 | 1.3622 | 1.3045 | +0.41% |
| July | 1.3514 | 1.3638 | 1.3364 | +1.30% |
| August | 1.3649 | 1.3843 | 1.3445 | +1.00% |
| September | 1.3886 | 1.4092 | 1.3729 | +1.74% |
| October | 1.4070 | 1.4228 | 1.3846 | +1.33% |
| November | 1.3795 | 1.3918 | 1.3634 | -1.96% |
| December | 1.3921 | 1.4205 | 1.3543 | +0.91% |
What was the USD to AUD exchange rate in 2018?
The USD/AUD rate averaged 1.3388 in 2018, ranging from a low of 1.2328 to a high of 1.4228.
What was the highest USD/AUD rate in 2018?
The highest USD to AUD rate recorded in 2018 was 1.4228. The lowest was 1.2328.
How much did the USD/AUD rate change in 2018?
The USD/AUD rate rose by 10.71% in 2018, from 1.2796 to 1.4166.
What was the USD/AUD annual trading range in 2018?
The USD/AUD pair traded in a range of 1.2328 to 1.4228 in 2018,a spread of 15.4% between the year's low and high.
Was 2018 a good year to exchange USD to AUD?
The USD/AUD rate rose 10.71% over 2018, closing at 1.4166. For those converting USD to AUD, the year-end rate was more favorable than the start of year. Historical data like this can provide useful context when planning future currency exchanges.
Where can I find USD/AUD rates for other years?
LiveRates.io provides complete daily historical rates for USD/AUD going back to 2000. Use the year navigation above to view adjacent years, or visit the main USD to AUD page for current rates, a 30-day chart, and links to all available historical years.