2026 Climate Averages

Weather in San Francisco in January

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

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Climate Overview

January is a good time to visit San Francisco. San Francisco has a Moderate climate with average yearly highs of 13°C, lows of 8°C, and approximately 8 rainy days per month.

Avg High

13°C

Avg Low

8°C

Rainy days

8days

Daylight

9.8h

Is January a good time to visit San Francisco?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Daylight

Sunrise

7:25 AM

Sunset

5:14 PM

Live January Forecast

LIVE

Forecast for your trip dates

Up to 16 days ahead
Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 13°C 8°C 8 Good
February 15°C 8°C 0 Good
March 14°C 9°C 9 Good
April 15°C 10°C 3 Good
May 18°C 12°C 7 Good
June 19°C 13°C 0 Good
July 18°C 13°C 0 Good
August 20°C 15°C 0 Good
September 21°C 15°C 0 Excellent (best)
October 22°C 14°C 0 Excellent (best)
November 16°C 9°C 3 Good
December 14°C 8°C 6 Good

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for January

Layers, a light jacket, comfortable walking shoes, and an umbrella.

Climate: Moderate
Travel Context Perfect weather for walking tours and all-day sightseeing.

Planning a trip to San Francisco?

Common Questions

Is January a good time to visit San Francisco? +

January is typically Good for visiting San Francisco, with average highs of 13°C and around 8 rainy days.

What should I pack for San Francisco in January? +

With highs of 13°C and lows of 8°C in {month}, we recommend: Layers, a light jacket, comfortable walking shoes, and an umbrella.

Does it rain a lot in San Francisco in January? +

San Francisco typically sees around 8 rainy days in January.

How many hours of daylight are there in San Francisco in January? +

In January, San Francisco gets approximately 9.8 hours of daylight per day.

Is January peak season in San Francisco? +

No, January is not peak season in San Francisco. Expect better value on accommodation and fewer tourists.

What is the best month to visit San Francisco? +

The best months to visit San Francisco are September, October, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: America/Los_Angeles)

Last Updated: January 2026

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January

13° /
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