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Gallup, New Mexico climate
BSk Cold semi-arid
Gallup has a seasonal cool-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is July with an average daily high near 87°F, while the coldest is January averaging around 16°F at night. Precipitation totals about 13 inches a year and is strongly seasonal — August alone averages 2.4 inches while June barely receives 0.34 inches. Light snow accumulates each winter (21 inches of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsGallup climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 44 | 48 | 57 | 65 | 74 | 85 | 87 | 84 | 79 | 68 | 55 | 44 |
| Avg temp (°F) | 30 | 34 | 41 | 48 | 57 | 67 | 72 | 70 | 63 | 51 | 39 | 30 |
| Avg low (°F) | 16 | 20 | 24 | 32 | 40 | 49 | 57 | 55 | 47 | 34 | 24 | 16 |
| Precipitation (in) | 0.9 | 0.9 | 0.9 | 0.6 | 0.7 | 0.3 | 2.0 | 2.4 | 1.2 | 1.1 | 0.8 | 0.9 |
| Snowfall (in) | 4.5 | 5.7 | 2.0 | 0.7 | 0.5 | — | — | — | — | 0.4 | 1.6 | 5.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 44 | 48 | 57 | 65 | 74 | 85 |
| Avg temp (°F) | 30 | 34 | 41 | 48 | 57 | 67 |
| Avg low (°F) | 16 | 20 | 24 | 32 | 40 | 49 |
| Precipitation (in) | 0.9 | 0.9 | 0.9 | 0.6 | 0.7 | 0.3 |
| Snowfall (in) | 4.5 | 5.7 | 2.0 | 0.7 | 0.5 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 84 | 79 | 68 | 55 | 44 |
| Avg temp (°F) | 72 | 70 | 63 | 51 | 39 | 30 |
| Avg low (°F) | 57 | 55 | 47 | 34 | 24 | 16 |
| Precipitation (in) | 2.0 | 2.4 | 1.2 | 1.1 | 0.8 | 0.9 |
| Snowfall (in) | — | — | — | 0.4 | 1.6 | 5.2 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 5 | 5 | 4 | 3 | 4 | 2 | 10 | 9 | 7 | 5 | 4 | 6 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.2 | 8 | 12 | 6 | 0.8 | — | — | — |
| Days with low ≤ 32°F (days) | 26 | 24 | 25 | 15 | 3 | 0.1 | — | — | 0.4 | 10 | 25 | 30 |
| Days with snowfall ≥ 1 in (days) | 2 | 2 | 0.7 | 0.5 | 0.2 | — | — | — | — | 0.2 | 0.7 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 5 | 5 | 4 | 3 | 4 | 2 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.2 | 8 |
| Days with low ≤ 32°F (days) | 26 | 24 | 25 | 15 | 3 | 0.1 |
| Days with snowfall ≥ 1 in (days) | 2 | 2 | 0.7 | 0.5 | 0.2 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 9 | 7 | 5 | 4 | 6 |
| Days with high ≥ 90°F (days) | 12 | 6 | 0.8 | — | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.4 | 10 | 25 | 30 |
| Days with snowfall ≥ 1 in (days) | — | — | — | 0.2 | 0.7 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 53 | 45 | 43 | 39 | 33 | 55 | 54 | 38 | 33 | 37 | 51 |
| Clear days (≤ 30% cloud) | 9 | 8 | 12 | 11 | 14 | 16 | 6 | 7 | 14 | 17 | 15 | 9 |
| Partly cloudy days (30–70%) | 13 | 11 | 11 | 12 | 11 | 10 | 15 | 14 | 11 | 8 | 9 | 12 |
| Cloudy days (≥ 70%) | 9 | 10 | 8 | 7 | 6 | 4 | 10 | 10 | 5 | 6 | 6 | 10 |
| Relative humidity (%) | 62 | 58 | 50 | 41 | 35 | 26 | 41 | 48 | 45 | 46 | 52 | 61 |
| Wind speed (mph) | 6.3 | 7.4 | 7.7 | 8.5 | 7.8 | 7.3 | 5.3 | 4.7 | 5.5 | 6.0 | 6.1 | 6.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 53 | 45 | 43 | 39 | 33 |
| Clear days (≤ 30% cloud) | 9 | 8 | 12 | 11 | 14 | 16 |
| Partly cloudy days (30–70%) | 13 | 11 | 11 | 12 | 11 | 10 |
| Cloudy days (≥ 70%) | 9 | 10 | 8 | 7 | 6 | 4 |
| Relative humidity (%) | 62 | 58 | 50 | 41 | 35 | 26 |
| Wind speed (mph) | 6.3 | 7.4 | 7.7 | 8.5 | 7.8 | 7.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 54 | 38 | 33 | 37 | 51 |
| Clear days (≤ 30% cloud) | 6 | 7 | 14 | 17 | 15 | 9 |
| Partly cloudy days (30–70%) | 15 | 14 | 11 | 8 | 9 | 12 |
| Cloudy days (≥ 70%) | 10 | 10 | 5 | 6 | 6 | 10 |
| Relative humidity (%) | 41 | 48 | 45 | 46 | 52 | 61 |
| Wind speed (mph) | 5.3 | 4.7 | 5.5 | 6.0 | 6.1 | 6.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Gallup Sand & Gravel (NOAA GHCN station USC00293428), about 4 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.