January weather forecastOlema, CA
January
Weather in January
January, the same as December, in Olema, California, is a moderate winter month, with an average temperature ranging between min 47.3°F (8.5°C) and max 56.1°F (13.4°C).Temperature
Olema greets January with an average high-temperature of a still moderate 56.1°F (13.4°C), marking a slight deviation from the preceding month. Throughout January, Olema reports a steady low-temperature average of 47.3°F (8.5°C), slightly lower than its daytime counterpart.Humidity
The average relative humidity in January is 75%.Rainfall
In Olema, California, in January, it is raining for 7.7 days, with typically 0.59" (15mm) of accumulated precipitation. In Olema, during the entire year, the rain falls for 55.1 days and collects up to 4.65" (118mm) of precipitation.Daylight
In January, the average length of the day is 9h and 53min.On the first day of January, sunrise is at 7:27 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:32 pm PST.
Sunshine
The average sunshine in January is 5.8h.UV index
In January, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during January translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Olema, CA
- Average high temperature in January: 56.1°F
The warmest month (with the highest average high temperature) is September (69.4°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in January: 47.3°F
The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in January
Olema, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.92"Hg).
Average wind speed in January
Olema, CA
- Average wind speed in January: 7.3mph
The windiest months (with the highest average wind speed) are April and May (10mph).
The calmest month (with the lowest average wind speed) is November (6.9mph).
Average humidity in January
Olema, CA
- Average humidity in January: 75%
The months with the highest relative humidity are July and August (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Olema, CA
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Olema, CA
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is March (9.4 days).
The month with the least rainy days is June (1.5 days).
Average daylight in January /
Average sunshine in January
Olema, CA
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in January
Olema, CA
- Average sunshine days in January: 22.2 days
The months with the most sunshine days are June and October (25.9 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in January
Olema, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in January
Olema, CA
- Average cloud cover in January: 35
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in January
Olema, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





