Berkeley, United States — Weather in December 2026

Climate Overview

Berkeley, United States in December has mild conditions, with highs averaging 14.4°C (58°F) and noticeably cooler mornings. Sea temperature stays cool at 12.5°C (55°F).

This month falls at the beginning of Winter.

Temperatures remain fairly steady throughout December, with daily highs around 15°C (59°F).

December sees fairly even rainfall, totalling about 90 mm across the month.

Expect around 7.1h of sunshine at the start of December, decreasing to 6.4h by the end.

The warmest days tend to fall around the 5th, averaging 15.5°C (60°F).

Compared to November, this month is about 4°C cooler with 3 more rainy days.

Monthly December Averages

Temperature

14°C / 6°C

Feels Like

13°C / 4°C

Rain

9 days · 92 mm

Sunshine

6.5h / day

Humidity

81% — Very Humid

Wind

14 km/h

Wind Direction

NE (43°)

Gusts

32 km/h

Daylight

9.6 h

Cloud Cover

63%

Clear Sky Days

3.3

UV Index

2.7 — Moderate

Sea Temperature

13°C

Dew Point

7°C — Dry

Moon Phase

Waxing Crescent · 31%

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 07:19

Daylight 9.6h

Sunset 16:52

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

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Layered clothingLight jacketUmbrellaComfortable walking shoes

Frequently Asked Questions

Expand all

Is December a good time to visit Berkeley?

December is typically fair for visiting Berkeley, with average highs of 14°C (58°F) and around 9 rainy days. Berkeley, United States in December has mild conditions, with highs averaging 14.4°C (58°F) and noticeably cooler mornin

Does it rain a lot in Berkeley in December?

Berkeley typically sees around 9 rainy days in December with 92 mm (3.6 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Berkeley in December?

Nights in Berkeley during December are cool at around 6°C (43°F). Bring a jacket or sweater for evenings.

What should I pack for Berkeley in December?

With highs of 14°C (58°F) and lows of 6°C (43°F) in December, we recommend: Layered clothing, Light jacket, Umbrella, Comfortable walking shoes. Comfortable walking shoes are essential.

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

December is not the most favourable month weather-wise in Berkeley. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Berkeley in December?

The average UV index in Berkeley during December is 3 (moderate). Sunscreen and sunglasses are recommended during midday hours.

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

Berkeley gets approximately 10 hours of daylight per day in December, with around 7 hours of sunshine.

Does it snow in Berkeley in December?

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

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