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Weather in Santa Rosa for January 2026

Your guide to Santa Rosa weather in January - trends and predictions

    Temperatures

  • In general, the average temperature in Santa Rosa at the beginning of January is 28 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 28.1 °C by the end of January.

  • Rain 🌧️

  • Santa Rosa in January brings notable rainfall, with an average of 20 rainy days and a total precipitation of 51.9 mm.

Average dry days
11
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
28°/23°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Santa Rosa Weather January

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Temperatures trend during January in Santa Rosa

See the weather trend as well as the moving average line

January weather in Santa Rosa day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Jan. Patchy rain possible
Patchy rain possible
29° /24° 1.5 mm 6
2 Jan. Moderate rain at times
Moderate rain at times
29° /23° 5.8 mm 6
3 Jan. Patchy rain possible
Patchy rain possible
28° /24° 11.6 mm 6
4 Jan. Overcast
Overcast
28° /23° 0.4 mm 6
5 Jan. Overcast
Overcast
27° /23° 0 mm 6
6 Jan. Moderate rain at times
Moderate rain at times
28° /22° 0.7 mm 6
7 Jan. Patchy rain possible
Patchy rain possible
27° /23° 0.4 mm 6
8 Jan. Overcast
Overcast
27° /23° 0 mm 6
9 Jan. Overcast
Overcast
27° /24° 0 mm 6
10 Jan. Overcast
Overcast
26° /24° 0 mm 6
11 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /23° 4.6 mm 6
12 Jan. Patchy rain possible
Patchy rain possible
25° /23° 5.7 mm 6
13 Jan. Moderate rain at times
Moderate rain at times
24° /24° 6.4 mm 5
14 Jan. Patchy rain possible
Patchy rain possible
28° /24° 0.5 mm 6
15 Jan. Patchy rain possible
Patchy rain possible
28° /24° 0.5 mm 6
16 Jan. Patchy rain possible
Patchy rain possible
28° /23° 0.4 mm 6
17 Jan. Overcast
Overcast
27° /24° 0.3 mm 6
18 Jan. Moderate rain at times
Moderate rain at times
28° /24° 1.2 mm 6
19 Jan. Patchy rain possible
Patchy rain possible
29° /23° 1.4 mm 6
20 Jan. Patchy rain possible
Patchy rain possible
30° /23° 0.5 mm 7
21 Jan. Overcast
Overcast
29° /23° 0 mm 6
22 Jan. Cloudy
Cloudy
29° /24° 0 mm 6
23 Jan. Overcast
Overcast
29° /24° 0 mm 6
24 Jan. Patchy rain possible
Patchy rain possible
30° /23° 0.5 mm 7
25 Jan. Partly cloudy
Partly cloudy
32° /23° 0 mm 8
26 Jan. Patchy rain possible
Patchy rain possible
30° /23° 0.1 mm 7
27 Jan. Overcast
Overcast
27° /22° 0 mm 6
28 Jan. Patchy rain possible
Patchy rain possible
27° /22° 0.1 mm 6
29 Jan. Patchy rain possible
Patchy rain possible
27° /22° 0.4 mm 6
30 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /24° 6.8 mm 6
31 Jan. Light rain shower
Light rain shower
28° /24° 2.1 mm 6
Next
Important Notice
Our weather forecast for Santa Rosa 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 Santa Rosa forecast closer to your planned date for the most up-to-date weather information.

Santa Rosa in January - FAQ

What are the expected maximum and minimum temperatures in Santa Rosa during January?
During January, expect a variety of temperatures with highs around 28° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Santa Rosa during January?
Moderate rainfall is anticipated in Santa Rosa during January, with a total of 51.9 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Santa Rosa during January?
The average wind speed in Santa Rosa during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in Santa Rosa

Explore the daily rainfall trends and prepare for Santa Rosas January weather 💧

UV exposure in Santa Rosa during January

Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️

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Location coordinates Where is Santa Rosa?

Get accurate weather forecasts for Santa Rosa, located at latitude 14.312 and longitude 121.111. Stay updated with localized weather information tailored for Santa Rosa.

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