Amarillo, TX Climate & Monthly Averages
The climate of Amarillo
Seasons are the whole story in Amarillo. The gap between an average July and an average January is 24°C - big day-to-night temperature swings and modest rainfall - which in practice means 93°F (34°C) afternoons at one end of the calendar and 50°F (10°C) at the other.
Climate quick facts
- Hottest month: July - highs near 93°F (34°C)
- Coldest month: January - highs near 50°F (10°C)
- Decade extremes (2015-2024): 108°F (42°C) high · -10°F (-24°C) low
- Wettest month: May (9 rainy days) · Sunniest: July (13.3 h sun/day)
- Climate type: semi-arid
- Annual swing: 24°C between the average warmest and coolest month · day to night: 12°C
- Snow: about 6 days a year
- Months averaging 30°C or hotter: 3
- Average humidity: 50%
Temperatures through the year
2 months average under 20 mm of rain, the longest unbroken stretch running January through February. January bottoms out at 50°F (10°C) in daylight, 29°F (-2°C) after dark. At its warmest, in July, Amarillo runs to 93°F (34°C) in the afternoon and back to 71°F (22°C) by dawn. Overnight lows average at or below freezing for 3 months, December through February.
Rain, sun and snow
Sunshine averages 10.6 hours a day over the year - sunnier than roughly 85% of the cities we track, peaking in July at 13.3 hours. Precipitation concentrates in May - 2.7 inches (70 mm) on 9 days - and thins out by February. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 108°F (42°C) and the lowest daily minimum -10°F (-24°C).
How Amarillo compares
- Relative humidity averages 50% - drier than all but 6% of the 3496 cities we track.
- Afternoons run 12°C above the following night - a bigger day-to-night gap than 93% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 50° | 29° | 3 | 0.6 in | 8.6 h/day | 52% |
| February | 56° | 31° | 3 | 0.5 in | 9.1 h/day | 47% |
| March | 64° | 40° | 5 | 1.0 in | 10.2 h/day | 46% |
| April | 71° | 47° | 5 | 1.8 in | 11.3 h/day | 44% |
| May | 79° | 56° | 9 | 2.7 in | 11.8 h/day | 52% |
| June | 89° | 67° | 7 | 2.1 in | 12.8 h/day | 51% |
| July | 93° | 71° | 7 | 1.3 in | 13.3 h/day | 47% |
| August | 91° | 70° | 6 | 1.6 in | 12.2 h/day | 49% |
| September | 85° | 64° | 4 | 1.2 in | 11.0 h/day | 52% |
| October | 72° | 51° | 5 | 2.1 in | 9.6 h/day | 52% |
| November | 61° | 39° | 4 | 1.1 in | 8.7 h/day | 54% |
| December | 53° | 32° | 3 | 0.9 in | 8.4 h/day | 51% |
Amarillo month by month
Amarillo weather in January
January brings highs around 50°F (10°C), lows near 29°F (-2°C), about 3 wet days and roughly 1 snowy days - typically the coldest month of the year in Amarillo.
Amarillo weather in February
February brings highs around 56°F (13°C), lows near 31°F (0°C), about 3 wet days and roughly 1 snowy days - typically the driest month of the year in Amarillo.
Amarillo weather in March
March brings highs around 64°F (18°C), lows near 40°F (4°C), about 5 wet days and roughly 1 snowy days.
Amarillo weather in April
April brings highs around 71°F (22°C), lows near 47°F (8°C), about 5 wet days.
Amarillo weather in May
May brings highs around 79°F (26°C), lows near 56°F (13°C), about 9 wet days - typically the wettest month of the year in Amarillo.
Amarillo weather in June
June brings highs around 89°F (32°C), lows near 67°F (19°C), about 7 wet days.
Amarillo weather in July
July brings highs around 93°F (34°C), lows near 71°F (22°C), about 7 wet days - typically the hottest month and the sunniest month of the year in Amarillo.
Amarillo weather in August
August brings highs around 91°F (33°C), lows near 70°F (21°C), about 6 wet days.
Amarillo weather in September
September brings highs around 85°F (29°C), lows near 64°F (18°C), about 4 wet days.
Amarillo weather in October
October brings highs around 72°F (22°C), lows near 51°F (10°C), about 5 wet days.
Amarillo weather in November
November brings highs around 61°F (16°C), lows near 39°F (4°C), about 4 wet days.
Amarillo weather in December
December brings highs around 53°F (12°C), lows near 32°F (0°C), about 3 wet days and roughly 1 snowy days.
Seasons in Amarillo
Spring (March through May)
Spring in Amarillo is pleasantly warm, with daytime highs averaging 72°F (22°C) and nights around 48°F (9°C); expect showers on roughly 19 days across the season. Daylight is generous - around 11.1 hours of sun a day.
Summer (June through August)
Through summer, Amarillo sits firmly in the heat: 91°F (33°C) by day, 69°F (21°C) after dark, and expect showers on roughly 20 days across the season. Daylight is generous - around 12.8 hours of sun a day.
Fall (September through November)
Fall in Amarillo is mild and warm, with daytime highs averaging 73°F (23°C) and nights around 51°F (11°C); rain comes on about 13 days over the three months.
Winter (December through February)
Winter in Amarillo is brisk and cold, with daytime highs averaging 53°F (12°C) and nights around 31°F (-1°C); rain comes on about 8 days over the three months, plus about 4 snowy days.
Climate questions, answered
How much do temperatures drop at night in Amarillo?
What should I pack for Amarillo?
How much sun does Amarillo get?
How many rainy days does Amarillo get in a year?
What is the average temperature in Amarillo?
How many hot months does Amarillo have?
Best time to visit Amarillo
March to April and October to November is the sweet spot for Amarillo - temperatures sit either side of the peak heat rather than in it. Expect 67°F (20°C) in the afternoon and around 5 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in March.
Pack for Amarillo with lightweight, breathable clothing and serious sun protection and a warm jacket and layers for the cooler season. Even in July, lows of 71°F (22°C) make an extra layer worth the space.
Amarillo temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.