Gallup, United States experiences average highs of 19°C (66°F) and lows of 6°C (43°F) throughout the year. The climate is relatively dry, with only 4 rainy days per month on average. Sunshine is abundant, averaging about 11 hours per day. Average highs have warmed by 1.6°C (2.9°F) across the available records.
Gallup, United States Weather & Climate 2026
Monthly climate averages for Gallup, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Dec 
Wetter season: Jan–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.2/10
Best: May, June, July, August, September
UV Index
6
High
Temperature 19°C / 6°C
Feels Like 15°C / 3°C
Rainy Days 4
Rainfall 21 mm
Sunshine 11 h
Humidity 42%
Wind Speed 23 km/h
Dew Point -1°C
Snow Days 4 days
Frost Days 15 days
Hottest Month
31°C
July
Avg Low18°C
Rain6days
Coldest Month
-6°C
January
Avg High5°C
Rain6days
Driest Month
2days
June
Avg High30°C
Avg Low15°C
Windiest Month
30 km/h
April (Gusts 55)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 06:00
Daylight 14.5h
Sunset 20:33
Live conditions—
Gallup on the map · live conditions
Gallup, United States
- Continent
- Americas
- Country
- United States
- City
- Gallup
- Population
- 23.2K
- Elevation
- 1,985 m
- Coordinates
- 35.53°, -108.74°
Seasonal Breakdown
Spring
Mar–May
Avg High 18°C
Avg Low 4°C
Rain 4 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 30°C
Avg Low 17°C
Rain 4 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 20°C
Avg Low 7°C
Rain 4 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 7°C
Avg Low -4°C
Rain 5 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 5°C / -6°C . Feb: 9°C / -3°C . Mar: 13°C / 0°C . Apr: 19°C / 4°C . May: 23°C / 9°C . Jun: 30°C / 15°C . Jul: 31°C / 18°C . Aug: 29°C / 17°C . Sep: 26°C / 13°C . Oct: 20°C / 7°C . Nov: 13°C / 1°C . Dec: 8°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 26 mm. Feb: 24 mm. Mar: 29 mm. Apr: 14 mm. May: 14 mm. Jun: 9 mm. Jul: 29 mm. Aug: 22 mm. Sep: 23 mm. Oct: 22 mm. Nov: 18 mm. Dec: 21 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 63%. Feb: 55%. Mar: 48%. Apr: 32%. May: 27%. Jun: 23%. Jul: 36%. Aug: 41%. Sep: 39%. Oct: 41%. Nov: 47%. Dec: 53%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 25 km/h . Mar: 29 km/h . Apr: 30 km/h . May: 29 km/h . Jun: 26 km/h . Jul: 20 km/h . Aug: 19 km/h . Sep: 21 km/h . Oct: 22 km/h . Nov: 21 km/h . Dec: 20 km/h .
Sunshine
Sunshine
Sunshine: Jan: 8h. Feb: 9h. Mar: 11h. Apr: 12h. May: 13h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 11h. Oct: 10h. Nov: 9h. Dec: 8h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 6. Apr: UV 8. May: UV 8. Jun: UV 9. Jul: UV 9. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 4. Dec: UV 4.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 7 days. Feb: 5 days. Mar: 6 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 3 days. Dec: 4 days.
Climate Trends
Average highs have warmed by 1.6°C (2.9°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 31°C | Jul · 31°C |
| Coldest month | Jan 2025 · -5°C | Jan · -6°C |
| Wettest month | Oct 2025 · 48 mm | Mar · 29 mm |
| Windiest month | Mar 2025 · 32 km/h | Apr · 30 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -6°C | 0°C / -10°C | 6days (26 mm) Good | 8.3h Good | 63% Muggy | 3.8 Moderate | Poor | View Details |
| February | 9°C / -3°C | 4°C / -8°C | 4days (24 mm) Good | 9.4h Good | 55% Moderate | 5.2 High | Poor | View Details |
| March | 13°C / 0°C | 8°C / -5°C | 6days (29 mm) Good | 10.5h Excellent | 48% Moderate | 6.4 High | Poor | View Details |
| April | 19°C / 4°C | 13°C / 0°C | 3days (14 mm) Excellent | 11.8h Excellent | 32% Comfortable | 7.7 Very High | Fair | View Details |
| May best | 23°C / 9°C | 18°C / 5°C | 3days (14 mm) Excellent | 12.7h Excellent | 27% Comfortable | 8.4 Very High | Excellent | View Details |
| June best | 30°C / 15°C | 26°C / 12°C | 2days (9 mm) Excellent | 13.2h Excellent | 23% Comfortable | 8.8 Very High | Excellent | View Details |
| July best | 31°C / 18°C | 29°C / 17°C | 6days (29 mm) Good | 12.8h Excellent | 36% Comfortable | 8.7 Very High | Excellent | View Details |
| August best | 29°C / 17°C | 28°C / 15°C | 5days (22 mm) Good | 12.1h Excellent | 41% Moderate | 8.1 Very High | Excellent | View Details |
| September best | 26°C / 13°C | 23°C / 11°C | 5days (23 mm) Good | 11.2h Excellent | 39% Comfortable | 7.2 Very High | Excellent | View Details |
| October | 20°C / 7°C | 16°C / 3°C | 4days (22 mm) Good | 9.9h Good | 41% Moderate | 5.8 High | Good | View Details |
| November | 13°C / 1°C | 8°C / -3°C | 4days (18 mm) Good | 9h Good | 47% Moderate | 4.2 Moderate | Fair | View Details |
| December | 8°C / -2°C | 3°C / -7°C | 4days (21 mm) Good | 8.1h Good | 53% Moderate | 3.5 Moderate | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Gallup are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Gallup, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Gallup is July, with average daytime highs of 31°C (87°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Gallup is January, with average overnight lows of -6°C (22°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Gallup is March, averaging 29mm of precipitation across 6 rainy days. An umbrella or waterproof jacket is essential.
Gallup receives approximately 129 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Gallup.
The least favorable months to visit Gallup are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Gallup is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Gallup is 42%, classified as dry. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Gallup receives snow. Months with snowfall average 4 snow days and 7 cm (3 in) of accumulation, with about 15 frost days during winter.
Average wind speeds in Gallup are 23 km/h (14 mph). The windiest month is April with peak winds reaching 30 km/h (19 mph) (gusts up to 55 km/h / 34 mph).
Gallup averages 12 clear-sky days per month with overall cloud cover around 35%. The clearest skies occur in October.
The annual average dew point in Gallup is -1°C (30°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Gallup has a Cold Semi-Arid climate, classified as BSk under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Gallup ranges from 3°C (37°F) to 15°C (59°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Gallup. It earns a climate score of 9.5/10 with Excellent.
For June in Gallup, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. With average highs of 30°C (86°F) and 2 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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