San Bernardino County
January
Weather in San Bernardino County for January 2025
Your guide to San Bernardino County weather in January - trends and predictions
In general, the average temperature in San Bernardino County at the beginning of January is 11.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.6 °F by the end of January.
San Bernardino County sees moderate rainfall in January, averaging 6 rainy days.
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25
Dry days
6
Rainy days
0
Snow days
13°/6°
Temperatures
9 km/h
Avg max wind
50 %
Avg humidity
San Bernardino County in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2  13° | 3  9° | 4 11° | 5 11° | ||
| 6  15° | 7  11° | 8 10° | 9 11° | 10 10° | 11 9° | 12 12° |
| 13 14° | 14 12° | 15 13° | 16 16° | 17 14° | 18 16° | 19 16° |
| 20  9° | 21 8° | 22 8° | 23 12° | 24 12° | 25 14° | 26 17° |
| 27 20° | 28 20° | 29 20° | 30 22° | 31 17° |
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Temperatures trend during January in San Bernardino County
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 | Partly cloudy | 13° /5° | 0 mm | 4 | |
| Jan. 2 | Overcast | 13° /5° | 0 mm | 3 | |
| Jan. 3 | Moderate rain | 9° /6° | 8.9 mm | 2 | |
| Jan. 4 | Partly cloudy | 11° /2° | 0 mm | 4 | |
| Jan. 5 | Partly cloudy | 11° /4° | 0 mm | 4 | |
| Jan. 6 | Sunny | 15° /4° | 0 mm | 5 | |
| Jan. 7 | Patchy rain possible | 11° /3° | 1.7 mm | 3 | |
| Jan. 8 | Partly cloudy | 10° /3° | 0 mm | 4 | |
| Jan. 9 | Sunny | 11° /3° | 0 mm | 4 | |
| Jan. 10 | Sunny | 10° /2° | 0 mm | 4 | |
| Jan. 11 | Patchy rain possible | 9° /4° | 0.4 mm | 2 | |
| Jan. 12 | Sunny | 12° /3° | 0 mm | 4 | |
| Jan. 13 | Sunny | 14° /4° | 0 mm | 4 | |
| Jan. 14 | Sunny | 12° /3° | 0 mm | 4 | |
| Jan. 15 | Overcast | 13° /6° | 0 mm | 3 | |
| Jan. 16 | Sunny | 16° /7° | 0 mm | 5 | |
| Jan. 17 | Partly cloudy | 14° /7° | 0 mm | 4 | |
| Jan. 18 | Sunny | 16° /7° | 0 mm | 5 | |
| Jan. 19 | Overcast | 16° /9° | 0 mm | 4 | |
| Jan. 20 | Light drizzle | 9° /8° | 5.4 mm | 2 | |
| Jan. 21 | Light rain shower | 8° /6° | 10.1 mm | 2 | |
| Jan. 22 | Moderate rain | 8° /7° | 21.8 mm | 2 | |
| Jan. 23 | Patchy rain possible | 12° /6° | 0 mm | 3 | |
| Jan. 24 | Overcast | 12° /5° | 0 mm | 3 | |
| Jan. 25 | Patchy rain possible | 14° /7° | 0.1 mm | 3 | |
| Jan. 26 | Sunny | 17° /6° | 0 mm | 5 | |
| Jan. 27 | Sunny | 20° /8° | 0 mm | 6 | |
| Jan. 28 | Overcast | 20° /10° | 0 mm | 5 | |
| Jan. 29 | Partly cloudy | 20° /10° | 0 mm | 6 | |
| Jan. 30 | Overcast | 22° /10° | 0 mm | 5 | |
| Jan. 31 | Partly cloudy | 17° /9° | 0 mm | 5 | |
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Important Notice
Our weather forecast for San Bernardino County 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 Bernardino County forecast closer to your planned date for the most up-to-date weather information.
San Bernardino County in January - FAQ
What are the expected maximum and minimum temperatures in San Bernardino County during January?
During January, expect a variety of temperatures with highs around 13° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Bernardino County during January?
In January, San Bernardino County can expect light to moderate rainfall, totaling 48.4 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in San Bernardino County during January?
The average wind speed in San Bernardino County during January is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
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Where is San Bernardino County?Get accurate weather forecasts for San Bernardino County, located at latitude 34.108 and longitude -117.29. Stay updated with localized weather information tailored for San Bernardino County.
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