Pullman, United States — Weather in August 2026

Climate Overview

Pullman, United States in August has hot conditions, with highs reaching 29.9°C (86°F) and afternoons the warmest part of the day. Rain is rare, falling on about 2 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Summer.

Daily highs in August gradually drop from around 32°C (89°F) at the start to 29°C (83°F) by month's end.

Rainfall is heaviest during the last third of the month, while the middle tends to be drier.

Expect around 13.1h of sunshine at the start of August, decreasing to 11.4h by the end.

The warmest days tend to fall around the 1th, averaging 32.5°C (91°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

30°C / 16°C

Feels Like

28°C / 15°C

Rain

2 days · 11 mm

Sunshine

12.3h / day

Humidity

39% — Comfortable

Wind

16 km/h

Wind Direction

WSW (251°)

Gusts

35 km/h

Daylight

14.1 h

Cloud Cover

30%

Clear Sky Days

14.9

UV Index

6.5 — High

Dew Point

8°C — Dry

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:48

Daylight 14.2h

Sunset 20:01

What to Expect

Daytime temperatures around 30°C (86°F) are ideal for full-day outdoor exploration.

Rain is uncommon in this month, so most days stay dry from morning through evening.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

1days (4 mm) Excellent

2days (11 mm) Excellent

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

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesSandals

Frequently Asked Questions

Expand all

Is August a good time to visit Pullman?

August is typically excellent for visiting Pullman, with average highs of 30°C (86°F) and around 2 rainy days. Pullman, United States in August has hot conditions, with highs reaching 29.9°C (86°F) and afternoons the warmest part o

Does it rain a lot in Pullman in August?

Pullman typically sees around 2 rainy days in August with 11 mm (0.4 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Pullman in August?

Evenings in Pullman during August are mild at 16°C (61°F). A light cardigan is usually enough.

What should I pack for Pullman in August?

With highs of 30°C (86°F) and lows of 16°C (61°F) in August, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Pullman?

Yes, August offers some of the best weather conditions in Pullman with comfortable temperatures and lower chances of rain.

What is the UV index in Pullman in August?

The average UV index in Pullman during August is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Pullman in August?

Pullman gets approximately 14 hours of daylight per day in August, with around 12 hours of sunshine.

Does it snow in Pullman in August?

Snow is uncommon in Pullman during August based on 10-year climate averages.

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