Amarillo, TX Climate & Monthly Averages

Texas, United States 🇺🇸 · semi-arid climate
Annual avg
60°
Hottest month
July
Coldest month
January
Rainy days / yr
61
Sunshine
10.6 h/day
Right now: 75° and cloudy - see live conditions

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

Monthly averages for Amarillo based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 50° 29° 3 0.6 in 8.6 h/day 10.0 h 10% 52%
February 56° 31° 3 0.5 in 9.1 h/day 10.9 h 10% 47%
March 64° 40° 5 1.0 in 10.2 h/day 11.9 h 15% 46%
April 71° 47° 5 1.8 in 11.3 h/day 13.0 h 18% 44%
May 79° 56° 9 2.7 in 11.8 h/day 14.0 h 29% 52%
June 89° 67° 7 2.1 in 12.8 h/day 14.5 h 24% 51%
July 93° 71° 7 1.3 in 13.3 h/day 14.3 h 22% 47%
August 91° 70° 6 1.6 in 12.2 h/day 13.5 h 20% 49%
September 85° 64° 4 1.2 in 11.0 h/day 12.3 h 15% 52%
October 72° 51° 5 2.1 in 9.6 h/day 11.2 h 17% 52%
November 61° 39° 4 1.1 in 8.7 h/day 10.3 h 12% 54%
December 53° 32° 3 0.9 in 8.4 h/day 9.8 h 8% 51%

Amarillo month by month

Average high and low for each month, with the bar showing where it sits in Amarillo's year (left is the coldest night, right is the warmest afternoon).

January

Coldest
50°29°
Rain
3 days
Sunshine
8.6 h
Daylight
10.0 h
Snow
1 day

February

Driest
56°31°
Rain
3 days
Sunshine
9.1 h
Daylight
10.9 h
Snow
1 day

March

64°40°
Rain
5 days
Sunshine
10.2 h
Daylight
11.9 h
Snow
1 day

April

71°47°
Rain
5 days
Sunshine
11.3 h
Daylight
13.0 h

May

Wettest
79°56°
Rain
9 days
Sunshine
11.8 h
Daylight
14.0 h

June

89°67°
Rain
7 days
Sunshine
12.8 h
Daylight
14.5 h

July

HottestSunniest
93°71°
Rain
7 days
Sunshine
13.3 h
Daylight
14.3 h

August

91°70°
Rain
6 days
Sunshine
12.2 h
Daylight
13.5 h

September

85°64°
Rain
4 days
Sunshine
11.0 h
Daylight
12.3 h

October

72°51°
Rain
5 days
Sunshine
9.6 h
Daylight
11.2 h

November

61°39°
Rain
4 days
Sunshine
8.7 h
Daylight
10.3 h

December

53°32°
Rain
3 days
Sunshine
8.4 h
Daylight
9.8 h
Snow
1 day

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

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?
By about 12°C on an average day - a wider day-to-night gap than most of the 3496 cities we track. In July that means 93°F (34°C) down to 71°F (22°C).
What should I pack for Amarillo?
It depends on the month: July runs to 93°F (34°C) while January holds at 50°F (10°C). The full month-by-month breakdown is in the packing notes above.
How much sun does Amarillo get?
10.6 hours a day averaged over the year, peaking in July at 13.3 hours.
How many rainy days does Amarillo get in a year?
About 61 days bring measurable precipitation, totalling 16.8 inches (428 mm). That works out at roughly 7.0 mm on an average wet day.
What is the average temperature in Amarillo?
60°F (16°C) across all twelve months - about 72°F (22°C) by day and 50°F (10°C) after dark.
How many hot months does Amarillo have?
Average highs hold at 30°C or above for 3 months of the year. Outside that, January pulls back to 50°F (10°C).

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)

Highest recorded
108°
in July
Lowest recorded
-10°
in February
Annual precipitation
16.9"
Snowy days / yr
6

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.