Mariposa County (Yosemite Valley)
January
Weather in Mariposa County for January 2026
Your guide to Mariposa County weather in January - trends and predictions
The climate of Mariposa County in January is quite snowy, averaging 15 snowy days.
In general, the average temperature in Mariposa County at the beginning of January is 2.7 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 5.1 °F by the end of January.
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Snow Forecast ❄️
Temperatures
More
16
Dry days
0
Rainy days
15
Snow days
3°/-4°
Temperatures
13 km/h
Avg max wind
81 %
Avg humidity
Mariposa County Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  4° | 2  6° | 3  2° | ||||
| 4  2° | 5 5° | 6  2° | 7  -2° | 8  2° | 9 5° | 10 3° |
| 11 2° | 12 2° | 13 1° | 14  2° | 15 6° | 16 6° | 17  3° |
| 18 7° | 19 6° | 20  2° | 21 4° | 22 5° | 23 6° | 24 3° |
| 25 2° | 26 2° | 27  4° | 28 7° | 29 8° | 30 8° | 31 5° |
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Temperatures trend during January in Mariposa 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 | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Patchy rain possible | 4° /-1° | 0 mm | 0 cm | |
| Jan. 2 | Patchy light snow | 6° /-1° | 0 mm | 0 cm | |
| Jan. 3 | Moderate or heavy snow with thunder | 2° /-4° | 6 mm | 4.3 cm | |
| Jan. 4 | Partly cloudy | 2° /-8° | 1.4 mm | 1 cm | |
| Jan. 5 | Patchy light snow | 5° /-4° | 0 mm | 0 cm | |
| Jan. 6 | Heavy snow | 2° /-4° | 12.7 mm | 9.1 cm | |
| Jan. 7 | Sunny | -2° /-9° | 1.8 mm | 1.3 cm | |
| Jan. 8 | Mist | 2° /-8° | 0 mm | 0 cm | |
| Jan. 9 | Patchy light snow | 5° /-3° | 0 mm | 0 cm | |
| Jan. 10 | Heavy snow | 3° /-3° | 11.3 mm | 8.2 cm | |
| Jan. 11 | Light snow | 2° /-6° | 2.8 mm | 2.1 cm | |
| Jan. 12 | Patchy light snow | 2° /-5° | 0 mm | 0 cm | |
| Jan. 13 | Heavy snow | 1° /-4° | 16.6 mm | 12 cm | |
| Jan. 14 | Light snow showers | 2° /-3° | 6 mm | 4.3 cm | |
| Jan. 15 | Patchy rain possible | 6° /-1° | 0 mm | 0 cm | |
| Jan. 16 | Patchy rain possible | 6° /-1° | 0.3 mm | 0 cm | |
| Jan. 17 | Moderate snow | 3° /-3° | 7.7 mm | 5.5 cm | |
| Jan. 18 | Patchy rain possible | 7° /-1° | 0 mm | 0 cm | |
| Jan. 19 | Patchy rain possible | 6° /0° | 0 mm | 0 cm | |
| Jan. 20 | Moderate or heavy snow showers | 2° /-3° | 12.4 mm | 9 cm | |
| Jan. 21 | Light snow showers | 4° /-2° | 1.6 mm | 1.2 cm | |
| Jan. 22 | Heavy snow | 5° /0° | 14.7 mm | 10.6 cm | |
| Jan. 23 | Light snow showers | 6° /-2° | 0.2 mm | 0.1 cm | |
| Jan. 24 | Heavy snow | 3° /-1° | 2.8 mm | 2 cm | |
| Jan. 25 | Patchy moderate snow | 2° /-4° | 0.6 mm | 0.4 cm | |
| Jan. 26 | Patchy rain possible | 2° /-5° | 7.4 mm | 4.7 cm | |
| Jan. 27 | Thundery outbreaks possible | 4° /-2° | 0 mm | 0 cm | |
| Jan. 28 | Patchy rain possible | 7° /0° | 0 mm | 0 cm | |
| Jan. 29 | Sunny | 8° /-1° | 0 mm | 0 cm | |
| Jan. 30 | Sunny | 8° /2° | 0 mm | 0 cm | |
| Jan. 31 | Patchy moderate snow | 5° /0° | 7.2 mm | 5.2 cm | |
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Important Notice
Our weather forecast for Mariposa 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 Mariposa County forecast closer to your planned date for the most up-to-date weather information.
Mariposa County in January - FAQ
What are the expected maximum and minimum temperatures in Mariposa County during January?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Mariposa County during January?
Significant rainfall exceeding 202.6 mm is expected in Mariposa County during January, occurring over more than 0 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Mariposa County in January 2026?
Mariposa County experiences an average snowfall of 145.06 cm during January, occurring over 15 days.
What are the typical wind conditions in Mariposa County during January?
The average wind speed in Mariposa County during January is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Mariposa County snow forecast January 2026
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January rainfall patterns in Mariposa County
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Where is Mariposa County?Get accurate weather forecasts for Mariposa County, located at latitude 37.741 and longitude -119.578. Stay updated with localized weather information tailored for Mariposa County.
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