January weather forecastFair Oaks, CA
January
Weather in January
January is a refreshing winter month in Fair Oaks, California, with an average temperature fluctuating between 41.2°F (5.1°C) and 56.1°F (13.4°C).Temperature
January's weather displays an average high-temperature of a refreshing 56.1°F (13.4°C), slightly varied from December's 54.1°F (12.3°C). An average minimum temperature of 41.2°F (5.1°C) is recorded in Fair Oaks during the month of January.Humidity
In Fair Oaks, California, the average relative humidity in January is 73%.Rainfall
In Fair Oaks, in January, during 8.8 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Fair Oaks, during the entire year, the rain falls for 67.3 days and collects up to 10.79" (274mm) of precipitation.Snowfall
In Fair Oaks, California, snow does not fall in January through November.Daylight
In Fair Oaks, the average length of the day in January is 9h and 50min.On the first day of January in Fair Oaks, California, sunrise is at 7:22 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:25 pm PST.
Sunshine
In Fair Oaks, California, the average sunshine in January is 6h.UV index
In Fair Oaks, California, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in January translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Fair Oaks, CA
- Average high temperature in January: 56.1°F
The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in January: 41.2°F
The months with the highest average low temperature are July and August (60.1°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).
Average pressure in January
Fair Oaks, CA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Fair Oaks, CA
- Average wind speed in January: 4.8mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in January
Fair Oaks, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are July and September (43%).
Average rainfall in January
Fair Oaks, CA
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Fair Oaks, CA
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is March (12 days).
The months with the least rainy days are June and July (1.3 days).
Average snowfall days in January
Fair Oaks, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Fair Oaks, CA
- Average daylight in January: 9h and 48min
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 30min).
- Average sunshine in January: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in January
Fair Oaks, CA
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (18.1 days).
Average UV index in January
Fair Oaks, CA
- Average UV index in January: 4
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
Fair Oaks, CA
- Average cloud cover in January: 34
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Fair Oaks, 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).





