Berkeley, United States — Weather in August 2026

Climate Overview

Berkeley, United States in August has warm conditions, with highs averaging 27.3°C (81°F). Rain is rare, falling on about 0 days this month. Temperatures drop noticeably between day and night. Sea temperature averages 20.7°C (69°F).

This month falls at the end of Summer.

Temperatures remain fairly steady throughout August, with daily highs around 27°C (81°F).

Expect around 12.5h of sunshine at the start of August, decreasing to 12.0h by the end.

The warmest days tend to fall around the 15th, averaging 28.4°C (83°F).

Monthly August Averages

Temperature

27°C / 14°C

Feels Like

27°C / 14°C

Rain

0 days · 0 mm

Sunshine

12.4h / day

Humidity

69% — Humid

Wind

17 km/h

Wind Direction

WSW (247°)

Gusts

40 km/h

Daylight

13.6 h

Cloud Cover

40%

Clear Sky Days

4.9

UV Index

7.6 — Very High

Sea Temperature

21°C

Dew Point

15°C — Comfortable

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 06:26

Daylight 13.6h

Sunset 20:04

What to Expect

Daytime temperatures around 27°C (81°F) are ideal for full-day outdoor exploration.

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

Recent yearly records for August have stayed close to the long-run average.

Compare Months

2days (14 mm) Excellent

0days (1 mm) Excellent

0days (0 mm) Excellent

0days (0 mm) Excellent

0days (2 mm) Excellent

2days (23 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	14°C / 6°C	13°C / 4°C	10days (103 mm) Wet	6.8h Fair	82% Humid	2.9 Moderate	Fair	View Details
February	16°C / 6°C	14°C / 4°C	7days (81 mm) Good	8.4h Good	75% Muggy	3.8 Moderate	Fair	View Details
March	17°C / 7°C	15°C / 5°C	11days (86 mm) Wet	9.4h Good	76% Humid	5.4 High	Good	View Details
April	20°C / 9°C	19°C / 7°C	4days (25 mm) Good	11h Excellent	71% Muggy	6.9 High	Good	View Details
May	23°C / 11°C	22°C / 9°C	2days (14 mm) Excellent	12.6h Excellent	66% Muggy	7.9 Very High	Excellent	View Details
June best	26°C / 13°C	26°C / 11°C	0days (1 mm) Excellent	13.4h Excellent	63% Muggy	8.2 Very High	Excellent	View Details
July best	27°C / 13°C	26°C / 12°C	0days (0 mm) Excellent	13.2h Excellent	68% Muggy	8.2 Very High	Excellent	View Details
August best	27°C / 14°C	27°C / 14°C	0days (0 mm) Excellent	12.4h Excellent	69% Muggy	7.6 Very High	Excellent	View Details
September best	27°C / 14°C	27°C / 14°C	0days (2 mm) Excellent	11.3h Excellent	68% Muggy	6.4 High	Excellent	View Details
October best	25°C / 12°C	23°C / 11°C	2days (23 mm) Excellent	9.6h Good	64% Muggy	5 Moderate	Excellent	View Details
November	18°C / 9°C	17°C / 7°C	6days (49 mm) Good	8h Good	74% Muggy	3.4 Moderate	Good	View Details
December	14°C / 6°C	13°C / 4°C	9days (92 mm) Wet	6.5h Fair	81% Humid	2.7 Moderate	Fair	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 hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Berkeley?

August is typically excellent for visiting Berkeley, with average highs of 27°C (81°F) and around 0 rainy days. Berkeley, United States in August has warm conditions, with highs averaging 27.3°C (81°F). Rain is rare, falling on abou

Does it rain a lot in Berkeley in August?

Berkeley typically sees around 0 rainy days in August with 0 mm (0 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Berkeley in August?

Evenings in Berkeley during August are mild at 14°C (57°F). A light cardigan is usually enough.

What should I pack for Berkeley in August?

With highs of 27°C (81°F) and lows of 14°C (57°F) in August, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Berkeley in August?

The average UV index in Berkeley during August is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

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

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

Does it snow in Berkeley in August?

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

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