Amarillo climate — normals and trends
Amarillo (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.3 °C and it receives 478 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (26.0 °C on average) and the coldest is January (2.2 °C). Rainfall peaks in May.
Amarillo averages 82 frost days, 87 hot days (≥ 30 °C) and 73 rainy days per year.
Amarillo has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 89 to 75 per year over the period.
The hottest day of the period reached 43.5 °C (on 26 June 2011) and the coldest -26.6 °C (on 15 February 2021).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
AmarilloTexas
- coords
- 35.22°, -101.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.3°C
Average daily high
21.2°C
Average daily low
8.2°C
Annual rainfall
478mm
Sunshine / day
10.5h
Mean relative humidity
54%
Average peak wind
25.5km/h
Seasonal range
23.8°C
Frost days (< 0 °C)
82 d/yr
Hot days (≥ 30 °C)
87 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
32.8 cm
Average feels-like high
18.2 °C
Average feels-like low
4.6 °C
Average peak gust
44.3 km/h
Tropical nights (≥ 20 °C)
36 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.33 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
43.5 °C
26 June 2011
Coldest day
-26.6 °C
15 February 2021
Wettest day
90 mm
30 October 1998
Windiest day
70.0 km/h
11 March 1977
Strongest gust
117.0 km/h
13 March 2019
Hottest feels-like
42.1 °C
11 July 2020
Coldest feels-like
-32.3 °C
15 February 2021
Snowiest day
33.3 cm
27 December 2015
Sunniest day
14.0 h
11 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 7.1 °C | -2.3 °C | 9 mm | -10 mm |
| Feb | 12.4 °C | +0.7 °C | 3 mm | -18 mm |
| Mar | 20.1 °C | +3.8 °C | 22 mm | -11 mm |
| Apr | 22.4 °C | +1.1 °C | 62 mm | +22 mm |
| May | 25.1 °C | -0.6 °C | 57 mm | -10 mm |
| Jun | 30.4 °C | -0.3 °C | 86 mm | +30 mm |
| Jul | 32.0 °C | -0.4 °C | 55 mm | +6 mm |
| Aug | 31.8 °C | +0.2 °C | 65 mm | +9 mm |
| Sep | 28.6 °C | +0.9 °C | 39 mm | -8 mm |
| Oct | 24.2 °C | +2.0 °C | 20 mm | -25 mm |
| Nov | 18.6 °C | +3.4 °C | 11 mm | -12 mm |
| Dec | 16.5 °C | +5.9 °C | 3 mm | -18 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Amarillo?
Amarillo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.3 °C and it receives 478 mm of precipitation per year.
What is the hottest day ever recorded in Amarillo?
The hottest day measured in Amarillo between 1940 and 2025 was 26 June 2011, reaching 43.5 °C.
What is the coldest day in Amarillo?
The coldest day measured in Amarillo between 1940 and 2025 was 15 February 2021, at -26.6 °C.
Does it snow in Amarillo?
Yes. Amarillo gets on average 32.8 cm of snow per year and has around 82 frost days.
Has the climate of Amarillo warmed?
Yes: Amarillo warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Amarillo?
The wettest day measured in Amarillo between 1940 and 2025 was 30 October 1998, with 90 mm of rain in 24 hours.
What was the windiest day in Amarillo?
The windiest day measured in Amarillo between 1940 and 2025 was 11 March 1977, with winds reaching 70.0 km/h.
What is the warmest month in Amarillo?
The warmest month in Amarillo is July (26.0 °C on average); the coldest is January (2.2 °C).
How much does it rain in Amarillo?
Amarillo receives on average 478 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Amarillo?
Amarillo gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Amarillo?
The heaviest 24-hour snowfall measured in Amarillo between 1940 and 2025 was 27 December 2015, with 33.3 cm.
Are there tropical nights in Amarillo?
Yes: Amarillo has on average 36 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Amarillo?
In Amarillo, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 11 July 2020, and the lowest was -32.3 °C on 15 February 2021.
Compare Amarillo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Amarillo