Pullman, United States experiences average highs of 16°C (61°F) and lows of 5°C (41°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 0.8°C (1.4°F) across the available records.
Pullman, United States Weather & Climate 2026
Monthly climate averages for Pullman, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.3/10
Best: June, July, August, September
UV Index
4
Low
Temperature 16°C / 5°C
Feels Like 13°C / 2°C
Rainy Days 9
Rainfall 50 mm
Sunshine 9 h
Humidity 62%
Wind Speed 17 km/h
Dew Point 3°C
Snow Days 6 days
Frost Days 16 days
Hottest Month
30°C
July
Avg Low16°C
Rain1days
Coldest Month
-4°C
January
Avg High3°C
Rain13days
Driest Month
1days
July
Avg High30°C
Avg Low16°C
Windiest Month
20 km/h
April (Gusts 42)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 04:56
Daylight 15.8h
Sunset 20:46
Live conditions—
Pullman on the map · live conditions
Pullman, United States
- Continent
- Americas
- Country
- United States
- City
- Pullman
- Population
- 32.8K
- Elevation
- 717 m
- Coordinates
- 46.73°, -117.18°
Seasonal Breakdown
Spring
Mar–May
Avg High 15°C
Avg Low 3°C
Rain 10 days/mo
Summer
Jun–Aug
Avg High 28°C
Avg Low 15°C
Rain 2 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 16°C
Avg Low 6°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 4°C
Avg Low -3°C
Rain 14 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: 3°C / -4°C . Feb: 5°C / -3°C . Mar: 10°C / -1°C . Apr: 14°C / 3°C . May: 20°C / 8°C . Jun: 24°C / 12°C . Jul: 30°C / 16°C . Aug: 30°C / 16°C . Sep: 25°C / 12°C . Oct: 16°C / 5°C . Nov: 8°C / 1°C . Dec: 3°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 70 mm. Feb: 74 mm. Mar: 66 mm. Apr: 49 mm. May: 43 mm. Jun: 25 mm. Jul: 4 mm. Aug: 11 mm. Sep: 20 mm. Oct: 61 mm. Nov: 81 mm. Dec: 92 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 77%. Mar: 71%. Apr: 62%. May: 59%. Jun: 50%. Jul: 36%. Aug: 39%. Sep: 49%. Oct: 64%. Nov: 77%. Dec: 82%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 19 km/h . Mar: 19 km/h . Apr: 20 km/h . May: 17 km/h . Jun: 17 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 16 km/h . Oct: 17 km/h . Nov: 17 km/h . Dec: 16 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 6h. Mar: 9h. Apr: 11h. May: 12h. Jun: 13h. Jul: 14h. Aug: 12h. Sep: 10h. Oct: 8h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 6. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 2. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 9 days. Feb: 12 days. Mar: 5 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 4 days. Dec: 12 days.
Climate Trends
Average highs have warmed by 0.8°C (1.4°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 · 30°C |
| Coldest month | Feb 2025 · -6°C | Jan · -4°C |
| Wettest month | Dec 2025 · 167 mm | Dec · 92 mm |
| Windiest month | Dec 2025 · 21 km/h | Apr · 20 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -4°C | -1°C / -8°C | 13days (70 mm) Wet | 5.2h Fair | 82% Humid | 1.7 Low | Poor | View Details |
| February | 5°C / -3°C | 1°C / -8°C | 13days (74 mm) Wet | 6.3h Fair | 77% Humid | 2.5 Moderate | Poor | View Details |
| March | 10°C / -1°C | 6°C / -5°C | 12days (66 mm) Wet | 8.5h Good | 71% Muggy | 4 Moderate | Poor | View Details |
| April | 14°C / 3°C | 11°C / -1°C | 10days (49 mm) Wet | 10.6h Excellent | 62% Muggy | 5.6 High | Fair | View Details |
| May | 20°C / 8°C | 18°C / 5°C | 7days (43 mm) Good | 12.1h Excellent | 59% Moderate | 6.6 High | Good | View Details |
| June best | 24°C / 12°C | 23°C / 10°C | 4days (25 mm) Good | 13h Excellent | 50% Moderate | 7.1 Very High | Excellent | View Details |
| July best | 30°C / 16°C | 29°C / 14°C | 1days (4 mm) Excellent | 13.9h Excellent | 36% Comfortable | 7.4 Very High | Excellent | View Details |
| August best | 30°C / 16°C | 28°C / 15°C | 2days (11 mm) Excellent | 12.3h Excellent | 39% Comfortable | 6.5 High | Excellent | View Details |
| September best | 25°C / 12°C | 22°C / 10°C | 4days (20 mm) Good | 10.4h Excellent | 49% Moderate | 5.2 High | Excellent | View Details |
| October | 16°C / 5°C | 13°C / 2°C | 9days (61 mm) Wet | 8.3h Good | 64% Muggy | 3.6 Moderate | Fair | View Details |
| November | 8°C / 1°C | 5°C / -3°C | 13days (81 mm) Wet | 5.9h Fair | 77% Humid | 1.9 Low | Poor | View Details |
| December | 3°C / -3°C | -1°C / -7°C | 15days (92 mm) Wet | 4.5h Fair | 82% Humid | 1.3 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Pullman are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Pullman, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Pullman is July, with average daytime highs of 30°C (86°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Pullman is January, with average overnight lows of -4°C (25°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Pullman is December, averaging 92mm of precipitation across 15 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Pullman runs through December, January, February, November, with the heaviest rainfall in December. Based on 10-year averages for Pullman.
Pullman receives approximately 111 sunshine hours per year. The sunniest month is July with around 14 hours. Based on climate data for Pullman.
The least favorable months to visit Pullman are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Pullman is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Pullman is 62%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Pullman receives snow. Months with snowfall average 6 snow days and 13 cm (5 in) of accumulation, with about 16 frost days during winter.
Average wind speeds in Pullman are 17 km/h (11 mph). The windiest month is April with peak winds reaching 20 km/h (12 mph) (gusts up to 42 km/h / 26 mph).
Pullman averages 7 clear-sky days per month with overall cloud cover around 53%. The clearest skies occur in July.
The annual average dew point in Pullman is 3°C (37°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Pullman has a Hot-Summer Mediterranean climate, classified as Csa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Pullman ranges from 2°C (36°F) to 13°C (55°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 Pullman. It earns a climate score of 8.9/10 with Excellent.
For June in Pullman, pack Warm evening layer, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 24°C (76°F) and 4 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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