Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Fair Oaks, California, the month of December is known for its lowest average temperatures, reaching a high of 54.1°F (12.3°C) and a low of 40.8°F (4.9°C).Humidity
The average relative humidity in December in Fair Oaks is 71%.Rainfall
In Fair Oaks, in December, it is raining for 8.9 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, in Fair Oaks, there are 67.3 rainfall days, and 10.79" (274mm) of precipitation is accumulated.Snowfall
The only month with snowfall in Fair Oaks is December. The month with the most snowfall days is December, when snow falls for 0.1 days.Daylight
December has the shortest days of the year in Fair Oaks, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:54 pm PST.
Sunshine
With an average of 5.8h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Fair Oaks, California, are February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Fair Oaks?
What is the temperature in December in Fair Oaks?
What is the average humidity in December in Fair Oaks?
How much does it rain in Fair Oaks in December?
What is the snowiest month in Fair Oaks?
When does it start snowing in Fair Oaks?
What is the month with the shortest days in Fair Oaks?
How many hours of daylight does Fair Oaks have in December?
What time are sunrise and sunset in December in Fair Oaks?
What is the month with the least sunshine in Fair Oaks?
How long on average sun shines in December in Fair Oaks?
What are the months with the lowest UV index in Fair Oaks?
How high is the UV index in December in Fair Oaks?
Average temperature in December
Fair Oaks, CA
- Average high temperature in December: 54.1°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 December: 40.8°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 December
Fair Oaks, CA
- Average pressure in December: 30.13"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 December
Fair Oaks, CA
- Average wind speed in December: 5mph
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 December
Fair Oaks, CA
- Average humidity in December: 71%
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 December
Fair Oaks, CA
- Average rainfall in December: 1.77"
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 December
Fair Oaks, CA
- Average rainfall days in December: 8.9 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 December
Fair Oaks, CA
- Average snowfall days in December: 0.1 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 December /
Average sunshine in December
Fair Oaks, CA
- Average daylight in December: 9h and 3min
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 December: 5h and 5min
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 December
Fair Oaks, CA
- Average sunshine days in December: 21.5 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 December
Fair Oaks, CA
- Average UV index in December: 3
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 December
Fair Oaks, CA
- Average cloud cover in December: 35
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 December
Fair Oaks, CA
- Average visibility in December: 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).
Fair Oaks, California, USA
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