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Weather in San Francisco for January 2025

Your guide to San Francisco weather in January - trends and predictions
  • In general, the average temperature in San Francisco at the beginning of January is 12.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 14.9 °F by the end of January.

  • San Francisco sees moderate rainfall in January, averaging 7 rainy days.

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Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/7°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
75 %
Avg humidity

San Francisco in January average weather

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Temperatures trend during January in San Francisco

See the weather trend as well as the moving average line

January weather day by day

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Date Weather Temperatures Rain UV More
Jan. 1 Sunny
Sunny
14° /8° 0 mm 4
Jan. 2 Heavy rain at times
Heavy rain at times
12° /8° 6.8 mm 3
Jan. 3 Patchy rain possible
Patchy rain possible
12° /7° 8.1 mm 3
Jan. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /7° 11.9 mm 4
Jan. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /8° 6.8 mm 4
Jan. 6 Overcast
Overcast
13° /9° 3.7 mm 3
Jan. 7 Heavy rain at times
Heavy rain at times
12° /8° 5.8 mm 4
Jan. 8 Patchy rain possible
Patchy rain possible
13° /8° 8.2 mm 3
Jan. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /9° 14.7 mm 4
Jan. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
12° /9° 11.7 mm 3
Jan. 11 Moderate or heavy rain shower
Moderate or heavy rain shower
11° /7° 8.2 mm 4
Jan. 12 Sunny
Sunny
13° /8° 0.2 mm 4
Jan. 13 Moderate or heavy rain shower
Moderate or heavy rain shower
14° /10° 13.7 mm 3
Jan. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
13° /10° 14 mm 3
Jan. 15 Heavy rain at times
Heavy rain at times
11° /9° 6.6 mm 4
Jan. 16 Patchy rain possible
Patchy rain possible
11° /8° 10.4 mm 3
Jan. 17 Overcast
Overcast
13° /8° 0.3 mm 3
Jan. 18 Overcast
Overcast
13° /8° 1.4 mm 4
Jan. 19 Sunny
Sunny
13° /7° 5.6 mm 4
Jan. 20 Sunny
Sunny
13° /7° 10 mm 4
Jan. 21 Partly cloudy
Partly cloudy
13° /7° 0.4 mm 4
Jan. 22 Cloudy
Cloudy
14° /9° 15.2 mm 3
Jan. 23 Sunny
Sunny
15° /8° 0 mm 4
Jan. 24 Sunny
Sunny
13° /7° 2.2 mm 4
Jan. 25 Sunny
Sunny
15° /7° 0.2 mm 4
Jan. 26 Sunny
Sunny
17° /9° 0 mm 5
Jan. 27 Sunny
Sunny
16° /9° 0 mm 5
Jan. 28 Overcast
Overcast
15° /9° 0 mm 4
Jan. 29 Patchy rain possible
Patchy rain possible
14° /9° 0.7 mm 4
Jan. 30 Sunny
Sunny
14° /7° 0 mm 5
Jan. 31 Partly cloudy
Partly cloudy
13° /7° 19.8 mm 4
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Important Notice
Our weather forecast for San Francisco in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Francisco forecast closer to your planned date for the most up-to-date weather information.

San Francisco in January - FAQ

What are the expected maximum and minimum temperatures in San Francisco during January?
During January, expect a variety of temperatures with highs around 14° and lows near 7°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Francisco during January?
Significant rainfall exceeding 373.1 mm is expected in San Francisco during January, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Francisco during January?
The average wind speed in San Francisco during January is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in San Francisco

Explore the daily rainfall trends and prepare for San Franciscos January weather 💧

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Location coordinates Where is San Francisco?

Get accurate weather forecasts for San Francisco, located at latitude 37.775 and longitude -122.419. Stay updated with localized weather information tailored for San Francisco.

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