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Weather in San Mateo, California for January 2027

Your guide to San Mateo weather in January - trends and predictions

    Rain 🌧️

  • With an average of 3 rainy days, San Mateo experiences minimal rainfall in January.

    • More

  • Is January a good time to visit San Mateo? check out the best time to travel to San Mateo page.

  • ✨ Is January a good time to visit San Mateo? – Ask the AI Weatherman

Average dry days
28
Dry days
Average rainy days
3
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/7°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
82 %
Avg humidity

San Mateo Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
13°
2
Partly cloudy
14°
3
Heavy rain at times
14°
4
Heavy rain
13°
5
Overcast
13°
6
Overcast
12°
7
Patchy rain possible
13°
8
Cloudy
12°
9
Overcast
15°
10
Cloudy
13°
11
Overcast
14°
12
Sunny
12°
13
Sunny
14°
14
Sunny
14°
15
Cloudy
16°
16
Partly cloudy
16°
17
Overcast
13°
18
Overcast
15°
19
Overcast
13°
20
Overcast
13°
21
Partly cloudy
13°
22
Sunny
13°
23
Sunny
12°
24
Overcast
14°
25
Patchy rain possible
12°
26
Partly cloudy
12°
27
Sunny
13°
28
Overcast
13°
29
Overcast
11°
30
Overcast
13°
31
Light rain
14°

Temperatures trend during January in San Mateo

See the weather trend as well as the moving average line

January weather in San Mateo day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
Jan. 1 Light rain
Light rain
 13° /9° 4.3 mm 2
Jan. 2 Partly cloudy
Partly cloudy
 14° /10° 0 mm 2.3
Jan. 3 Heavy rain at times
Heavy rain at times
 14° /12° 19.8 mm 2
Jan. 4 Heavy rain
Heavy rain
 13° /9° 39.1 mm 2
Jan. 5 Overcast
Overcast
 13° /8° 0 mm 2
Jan. 6 Overcast
Overcast
 12° /7° 0 mm 2
Jan. 7 Patchy rain possible
Patchy rain possible
 13° /10° 1.7 mm 2
Jan. 8 Cloudy
Cloudy
 12° /9° 0 mm 2
Jan. 9 Overcast
Overcast
 15° /5° 0 mm 2.4
Jan. 10 Cloudy
Cloudy
 13° /4° 0 mm 2
Jan. 11 Overcast
Overcast
 14° /5° 0 mm 2
Jan. 12 Sunny
Sunny
 12° /6° 0 mm 2
Jan. 13 Sunny
Sunny
 14° /5° 0 mm 2.5
Jan. 14 Sunny
Sunny
 14° /6° 0 mm 2.5
Jan. 15 Cloudy
Cloudy
 16° /5° 0 mm 2
Jan. 16 Partly cloudy
Partly cloudy
 16° /6° 0 mm 2.6
Jan. 17 Overcast
Overcast
 13° /5° 0 mm 2
Jan. 18 Overcast
Overcast
 15° /7° 0 mm 2
Jan. 19 Overcast
Overcast
 13° /8° 0 mm 2
Jan. 20 Overcast
Overcast
 13° /5° 0 mm 2
Jan. 21 Partly cloudy
Partly cloudy
 13° /6° 0 mm 2
Jan. 22 Sunny
Sunny
 13° /8° 0 mm 2
Jan. 23 Sunny
Sunny
 12° /7° 0 mm 2.8
Jan. 24 Overcast
Overcast
 14° /7° 0 mm 2
Jan. 25 Patchy rain possible
Patchy rain possible
 12° /6° 0.1 mm 2
Jan. 26 Partly cloudy
Partly cloudy
 12° /5° 0 mm 3
Jan. 27 Sunny
Sunny
 13° /7° 0 mm 2
Jan. 28 Overcast
Overcast
 13° /8° 0 mm 2
Jan. 29 Overcast
Overcast
 11° /6° 0 mm 2
Jan. 30 Overcast
Overcast
 13° /6° 0 mm 2
Jan. 31 Light rain
Light rain
 14° /7° 4.1 mm 2
Next
Important Notice
Our weather forecast for San Mateo 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 Mateo forecast closer to your planned date for the most up-to-date weather information.
Change Month
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San Mateo in January - FAQ

What are the expected maximum and minimum temperatures in San Mateo during January?
During January, expect a variety of temperatures with highs around 13° and lows near 7°, suitable for diverse activities and preferences.

How much rainfall should be expected in San Mateo during January?
Moderate rainfall is anticipated in San Mateo during January, with a total of 69.2 mm spread over approximately 3 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in San Mateo during January?
The average wind speed in San Mateo during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in San Mateo

Explore the daily rainfall trends and prepare for San Mateos January weather 💧
Typically, San Mateo has 3 rainy days in January with a total of 69.2 mm of rainfall.
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Location coordinates Where is San Mateo?

Get accurate weather forecasts for San Mateo, located at latitude 37.563 and longitude -122.326. Stay updated with localized weather information tailored for San Mateo.

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