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Amarillo Weather by Month
Average temperatures, rainfall and humidity for Amarillo, United States, month by month, built from OpenWeather's historical records. Use it to see what a typical Amarillo month looks like before you travel — then check the live Amarillo forecast for the days ahead.
Warmest month
July
34°C average high
Coolest month
January
-3°C average low
Wettest month
May
44 mm of rain
Driest month
February
3 mm of rain
Average temperature and rainfall in Amarillo by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 12°C | -3°C | -18°C / 26°C | 6 mm | 56% | 18 km/h |
| February | 15°C | -1°C | -23°C / 31°C | 3 mm | 52% | 19 km/h |
| March | 21°C | 4°C | -17°C / 37°C | 9 mm | 48% | 21 km/h |
| April | 24°C | 7°C | -7°C / 34°C | 18 mm | 47% | 23 km/h |
| May | 28°C | 12°C | -1°C / 39°C | 44 mm | 54% | 21 km/h |
| June | 33°C | 19°C | 9°C / 42°C | 30 mm | 56% | 20 km/h |
| July | 34°C | 20°C | 13°C / 42°C | 25 mm | 54% | 17 km/h |
| August | 34°C | 20°C | 13°C / 41°C | 24 mm | 55% | 16 km/h |
| September | 30°C | 16°C | -5°C / 40°C | 15 mm | 58% | 18 km/h |
| October | 24°C | 9°C | -8°C / 35°C | 26 mm | 55% | 18 km/h |
| November | 18°C | 3°C | -13°C / 30°C | 9 mm | 55% | 19 km/h |
| December | 14°C | -1°C | -19°C / 28°C | 4 mm | 54% | 18 km/h |
Best time to visit Amarillo
The most comfortable time to visit Amarillo is generally March to April and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around May, totalling about 214 mm a year.
Travellers who prefer heat should aim for July, when highs average 34°C. May is the month to avoid if rain would spoil your plans — it averages 44 mm, roughly 13× the rainfall of February.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Amarillo forecast for what is happening now.