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
Keith's coldest weather arrives in December, when temperatures average a high of 59.2°F (15.1°C) and a low of 43.5°F (6.4°C).Humidity
In Keith, the average relative humidity in December is 54%.Rainfall
In December, in Keith, the rain falls for 5.9 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Keith, during the entire year, the rain falls for 52.1 days and collects up to 9.02" (229mm) of precipitation.Snowfall
January, February, April through December are months without snowfall.Daylight
December has the shortest days of the year in Keith, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:44 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:56 pm PST.
Sunshine
In Keith, the average sunshine in December is 6.8h.UV index
The months with the lowest UV index are November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during December leads to these instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What time of the year is the coldest in Keith?
What are the temperatures in Keith in December?
What is the average humidity in December in Keith?
How much does it rain in Keith in December?
When it does not snow in Keith?
What is the month with the shortest days in Keith?
What is the average length of the day in December in Keith?
When are sunrise and sunset in December in Keith?
How long on average sun shines in December in Keith?
What is the month with the lowest UV index in Keith?
How high is the UV index in December in Keith?
Average temperature in December
Keith, CA
- Average high temperature in December: 59.2°F
The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in December: 43.5°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in December
Keith, CA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Keith, CA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is December (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Keith, CA
- Average humidity in December: 54%
The month with the highest relative humidity is March (60%).
The months with the lowest relative humidity are October and November (47%).
Average rainfall in December
Keith, CA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is February (1.85").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Keith, CA
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is March (8.3 days).
The months with the least rainy days are June and August (1.2 days).
Average snowfall days in December
Keith, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is March (0.1 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Keith, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
Keith, CA
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (21 days).
Average UV index in December
Keith, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in December
Keith, CA
- Average cloud cover in December: 23
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Keith, 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).
Keith, California, USA
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