Pendleton, United States — Weather in August 2026

Climate Overview

Pendleton, United States in August has hot conditions, with highs reaching 32.4°C (90°F) and afternoons the warmest part of the day. Rain is rare, falling on about 1 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Summer. Temperatures are at their seasonal peak.

Daily highs in August gradually drop from around 34°C (94°F) at the start to 31°C (88°F) by month's end.

August sees fairly even rainfall, totalling about 6 mm across the month.

Expect around 13.0h of sunshine at the start of August, decreasing to 11.7h by the end.

The warmest days tend to fall around the 1th, averaging 34.9°C (95°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

32°C / 18°C

Feels Like

31°C / 17°C

Rain

1 days · 6 mm

Sunshine

12.4h / day

Humidity

37% — Comfortable

Wind

15 km/h

Wind Direction

WSW (244°)

Gusts

34 km/h

Daylight

14.1 h

Cloud Cover

27%

Clear Sky Days

16.8

UV Index

6.5 — High

Dew Point

9°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 05:57

Daylight 14.1h

Sunset 20:05

What to Expect

With midday temperatures reaching 32°C (90°F), schedule outdoor activities for early morning or late afternoon.

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

3days (19 mm) Excellent

1days (2 mm) Excellent

1days (6 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	7°C / -1°C	4°C / -5°C	13days (61 mm) Wet	5.5h Fair	77% Humid	1.9 Low	Poor	View Details
February	8°C / -1°C	5°C / -5°C	14days (64 mm) Wet	6.8h Fair	73% Muggy	2.7 Moderate	Poor	View Details
March	13°C / 2°C	10°C / -2°C	12days (56 mm) Wet	8.9h Good	68% Muggy	4.1 Moderate	Poor	View Details
April	17°C / 5°C	15°C / 2°C	9days (42 mm) Wet	10.8h Excellent	59% Moderate	5.7 High	Fair	View Details
May best	23°C / 10°C	21°C / 7°C	6days (39 mm) Good	12.3h Excellent	53% Moderate	6.5 High	Excellent	View Details
June best	28°C / 14°C	26°C / 12°C	3days (19 mm) Excellent	13.2h Excellent	44% Moderate	7.2 Very High	Excellent	View Details
July best	33°C / 18°C	32°C / 17°C	1days (2 mm) Excellent	13.8h Excellent	32% Comfortable	7.5 Very High	Excellent	View Details
August best	32°C / 18°C	31°C / 17°C	1days (6 mm) Excellent	12.4h Excellent	37% Comfortable	6.5 High	Excellent	View Details
September best	27°C / 13°C	25°C / 12°C	4days (16 mm) Good	10.8h Excellent	48% Moderate	5.3 High	Excellent	View Details
October	18°C / 7°C	16°C / 5°C	8days (46 mm) Wet	8.5h Good	62% Muggy	3.6 Moderate	Good	View Details
November	11°C / 3°C	9°C / 0°C	11days (61 mm) Wet	6.3h Fair	74% Muggy	2 Low	Poor	View Details
December	7°C / -1°C	3°C / -4°C	13days (66 mm) Wet	5h Fair	78% Humid	1.5 Low	Poor	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

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 Pendleton?

August is typically excellent for visiting Pendleton, with average highs of 32°C (90°F) and around 1 rainy days. Pendleton, United States in August has hot conditions, with highs reaching 32.4°C (90°F) and afternoons the warmest part

Does it rain a lot in Pendleton in August?

Pendleton typically sees around 1 rainy days in August with 6 mm (0.2 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Pendleton in August?

Evenings in Pendleton during August are mild at 18°C (64°F). A light cardigan is usually enough.

What should I pack for Pendleton in August?

With highs of 32°C (90°F) and lows of 18°C (64°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 Pendleton?

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

What is the UV index in Pendleton in August?

The average UV index in Pendleton 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 Pendleton in August?

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

Does it snow in Pendleton in August?

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

Last updated: