Gallup, New Mexico Weather
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Climate of Gallup: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), June is usually the hottest month in Gallup, with average daytime highs around 31°C. January is the coolest, when nights typically fall to about -6°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 37°C, so the seasons feel very different from each other.
The area receives about 280 mm of rain in a typical year. Rainfall is modest in every month; July is the wettest at about 51 mm. The driest stretch is February to June and November, with under 20 mm a month.
For outdoor plans and travel, May to September usually offer the most comfortable weather in Gallup, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 5° | -6° | 21 mm | 61% |
| Feb | 7° | -5° | 19 mm | 57% |
| Mar | 13° | -2° | 14 mm | 48% |
| Apr | 18° | 1° | 14 mm | 40% |
| May | 23° | 6° | 14 mm | 33% |
| Jun | 31° | 13° | 8 mm | 24% |
| Jul | 30° | 16° | 51 mm | 42% |
| Aug | 29° | 14° | 46 mm | 48% |
| Sep | 25° | 10° | 34 mm | 45% |
| Oct | 18° | 3° | 20 mm | 46% |
| Nov | 11° | -2° | 17 mm | 51% |
| Dec | 5° | -6° | 21 mm | 60% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Gallup. Values describe typical conditions, not a forecast.
About Gallup weather
Gallup lies in New Mexico's high-desert climate, arid with large day-night temperature swings — about 196 km west of Albuquerque. Expect hot days (June–August, often above 32°C) that cool quickly after dark. Winter brings cold nights and mild, sunny days, with snow common at higher elevations. This page shows live, auto-refreshing weather for Gallup: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Denver.
Frequently asked questions
Gallup is about 196 km west of Albuquerque, in New Mexico.
Gallup sees cold nights and mild, sunny days, with snow common at higher elevations.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Gallup's exact coordinates. No fixed schedule, the page updates whenever you load it.
June is usually the hottest month in Gallup, with average daytime highs of about 31°C and nights around 13°C.
The coldest nights come in January, when the average low is about -6°C and daytime highs reach around 5°C. Frost is possible on clear, calm nights.
Gallup receives about 280 mm of rain in a typical year. July is the wettest month at roughly 51 mm; no month averages more than 100 mm.
May to September usually offer the most comfortable weather in Gallup, with mild daytime temperatures and little rain.
In November Gallup typically sees daytime highs near 11°C and lows near -2°C, with about 17 mm of rain over the month and average humidity around 51%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Gallup updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Gallup's day-to-day weather follows the broader pattern of New Mexico described above. See the hourly weather forecast or the air quality index for more detail.