Gallup climate — normals and trends
Gallup (United States) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 10.3 °C and it receives 295 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 (22.6 °C on average) and the coldest is January (-2.1 °C). Rainfall peaks in August.
Gallup averages 133 frost days, 27 hot days (≥ 30 °C) and 65 rainy days per year.
Gallup has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 151 to 115 per year over the period.
The hottest day of the period reached 36.3 °C (on 10 July 2021) and the coldest -31.8 °C (on 5 January 1971).
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
GallupNew Mexico
- coords
- 35.53°, -108.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.3°C
Average daily high
16.8°C
Average daily low
3.9°C
Annual rainfall
295mm
Sunshine / day
11.2h
Mean relative humidity
45%
Average peak wind
21.2km/h
Seasonal range
24.7°C
Frost days (< 0 °C)
133 d/yr
Hot days (≥ 30 °C)
27 d/yr
Rainy days (≥ 1 mm)
65 d/yr
Annual snowfall
61.2 cm
Average feels-like high
12.8 °C
Average feels-like low
0.1 °C
Average peak gust
39.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.59 · 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
36.3 °C
10 July 2021
Coldest day
-31.8 °C
5 January 1971
Wettest day
39 mm
24 August 1992
Windiest day
69.0 km/h
25 April 1984
Strongest gust
124.2 km/h
25 April 1984
Hottest feels-like
35.0 °C
17 July 2023
Coldest feels-like
-37.2 °C
6 January 1971
Snowiest day
15.3 cm
24 February 1977
Sunniest day
14.2 h
23 June 2023
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 5.5 °C | +1.5 °C | 5 mm | -20 mm |
| Feb | 13.4 °C | +6.6 °C | 9 mm | -14 mm |
| Mar | 14.0 °C | +3.1 °C | 14 mm | -15 mm |
| Apr | 16.7 °C | +0.5 °C | 31 mm | +12 mm |
| May | 22.0 °C | +0.3 °C | 13 mm | -1 mm |
| Jun | 29.2 °C | +1.5 °C | 17 mm | +7 mm |
| Jul | 30.2 °C | +1.3 °C | 6 mm | -33 mm |
| Aug | 29.8 °C | +2.6 °C | 31 mm | -11 mm |
| Sep | 24.5 °C | +0.1 °C | 35 mm | +11 mm |
| Oct | 20.2 °C | +2.0 °C | 48 mm | +23 mm |
| Nov | 15.1 °C | +4.4 °C | 9 mm | -11 mm |
| Dec | 11.8 °C | +6.7 °C | 7 mm | -17 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 Gallup?
Gallup has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 10.3 °C and it receives 295 mm of precipitation per year.
What is the hottest day ever recorded in Gallup?
The hottest day measured in Gallup between 1940 and 2025 was 10 July 2021, reaching 36.3 °C.
What is the coldest day in Gallup?
The coldest day measured in Gallup between 1940 and 2025 was 5 January 1971, at -31.8 °C.
Does it snow in Gallup?
Yes. Gallup gets on average 61.2 cm of snow per year and has around 133 frost days.
Has the climate of Gallup warmed?
Yes: Gallup warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gallup?
The wettest day measured in Gallup between 1940 and 2025 was 24 August 1992, with 39 mm of rain in 24 hours.
What was the windiest day in Gallup?
The windiest day measured in Gallup between 1940 and 2025 was 25 April 1984, with winds reaching 69.0 km/h.
What is the warmest month in Gallup?
The warmest month in Gallup is July (22.6 °C on average); the coldest is January (-2.1 °C).
How much does it rain in Gallup?
Gallup receives on average 295 mm of precipitation per year, spread over about 65 rainy days.
Is it sunny in Gallup?
Gallup gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gallup?
The heaviest 24-hour snowfall measured in Gallup between 1940 and 2025 was 24 February 1977, with 15.3 cm.
Are there tropical nights in Gallup?
Yes: Gallup has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gallup?
In Gallup, between 1940 and 2025, the highest apparent temperature reached 35.0 °C on 17 July 2023, and the lowest was -37.2 °C on 6 January 1971.
Compare Gallup with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gallup