Fairfield (CA)
January
Weather in Fairfield, California for January 2027
Your guide to Fairfield weather in January - trends and predictions
In general, the average temperature in Fairfield at the beginning of January is 12.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 12.3 °C by the end of January.
With an average of 5 rainy days, Fairfield experiences minimal rainfall in January.
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Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
13°/5°
Temperatures
11 km/h
Avg max wind
73 %
Avg humidity
Fairfield Weather January
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Temperatures trend during January in Fairfield
See the weather trend as well as the moving average line
January weather in Fairfield day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Overcast | 12° /7° | 17.9 mm | 2 | |
| Jan. 2 | Overcast | 13° /8° | 1.8 mm | 2 | |
| Jan. 3 |  Moderate or heavy rain shower | 14° /9° | 44.2 mm | 2 | |
| Jan. 4 |  Cloudy | 13° /7° | 45.6 mm | 2 | |
| Jan. 5 | Overcast | 12° /6° | 0 mm | 2 | |
| Jan. 6 | Overcast | 12° /5° | 0 mm | 2 | |
| Jan. 7 |  Sunny | 14° /9° | 0 mm | 3 | |
| Jan. 8 |  Partly cloudy | 15° /6° | 0 mm | 3 | |
| Jan. 9 | Partly cloudy | 15° /3° | 0 mm | 3 | |
| Jan. 10 | Sunny | 14° /4° | 0 mm | 3 | |
| Jan. 11 | Sunny | 15° /6° | 0 mm | 3 | |
| Jan. 12 | Sunny | 14° /3° | 0 mm | 3 | |
| Jan. 13 | Sunny | 15° /4° | 0 mm | 3 | |
| Jan. 14 | Sunny | 17° /4° | 0 mm | 3 | |
| Jan. 15 | Sunny | 18° /5° | 0 mm | 3 | |
| Jan. 16 | Sunny | 17° /6° | 0 mm | 3 | |
| Jan. 17 | Overcast | 13° /5° | 0 mm | 2 | |
| Jan. 18 | Overcast | 11° /5° | 0 mm | 3 | |
| Jan. 19 | Overcast | 12° /3° | 0 mm | 2 | |
| Jan. 20 | Overcast | 15° /3° | 0 mm | 3 | |
| Jan. 21 | Sunny | 14° /5° | 0 mm | 2 | |
| Jan. 22 | Sunny | 14° /6° | 0 mm | 3 | |
| Jan. 23 | Sunny | 14° /6° | 0 mm | 3 | |
| Jan. 24 | Overcast | 16° /3° | 0 mm | 3 | |
| Jan. 25 | Sunny | 10° /3° | 0 mm | 3 | |
| Jan. 26 | Overcast | 14° /5° | 0 mm | 2 | |
| Jan. 27 | Sunny | 13° /4° | 0 mm | 3 | |
| Jan. 28 | Partly cloudy | 15° /6° | 0 mm | 3 | |
| Jan. 29 | Overcast | 10° /2° | 0 mm | 2 | |
| Jan. 30 | Overcast | 12° /3° | 0 mm | 2 | |
| Jan. 31 |  Moderate rain | 12° /5° | 5.7 mm | 2 | |
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Important Notice
Our weather forecast for Fairfield 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 Fairfield forecast closer to your planned date for the most up-to-date weather information.
Change Month
Fairfield in January - FAQ
What are the expected maximum and minimum temperatures in Fairfield during January?
During January, expect a variety of temperatures with highs around 13° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fairfield during January?
Significant rainfall exceeding 115.1 mm is expected in Fairfield during January, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Fairfield during January?
The average wind speed in Fairfield during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Fairfield
Explore the daily rainfall trends and prepare for Fairfields January weather 💧
Typically, Fairfield has 5 rainy days in January with a total of 115.1 mm of rainfall.
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