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 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
Keene's coldest weather arrives in December, when temperatures average a high of 50.5°F (10.3°C) and a low of 34°F (1.1°C).Humidity
February and December, with an average relative humidity of 58%, are the most humid months.Rainfall
The month with the most rainfall in Keene is December, when the rain falls for 6.5 days and typically aggregates up to 1.5" (38mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. The month with the most snowfall in Keene is December, when snow falls for 2.8 days and typically aggregates up to 5.16" (131mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December in Keene, sunrise is at 6:45 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:52 pm PST.
Sunshine
The average sunshine in December is 6.7h.UV index
The months with the lowest UV index in Keene are November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the coldest time of year in Keene?
What is the temperature in December in Keene?
What is the most humid month in Keene?
What is the average humidity in December in Keene?
What is the rainiest month in Keene?
How many days does it rain in December in Keene?
When does it snow the most in Keene?
How much does it snow in Keene in December?
What is the month with the shortest days in Keene?
What is the average length of the day in December in Keene?
When are sunrise and sunset in December in Keene?
How long on average sun shines in December in Keene?
When is the lowest UV index in Keene?
What is the UV index intensity in December in Keene?
Average temperature in December
Keene, CA
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (50.5°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in December
Keene, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Keene, CA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is May (9.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in December
Keene, CA
- Average humidity in December: 58%
The months with the highest relative humidity are February and December (58%).
The month with the lowest relative humidity is August (28%).
Average rainfall in December
Keene, CA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is December (1.5").
The driest month (with the least rainfall) is September (0.12").
Average rainfall days in December
Keene, CA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is September (1.6 days).
Average snowfall in December
Keene, CA
- Average snowfall in December: 5.16"
The month with the highest snowfall is December (5.16").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Keene, CA
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Keene, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in December
Keene, CA
- Average sunshine days in December: 23 days
The month with the most sunshine days is October (28 days).
The month with the least sunshine days is February (20.4 days).
Average UV index in December
Keene, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in December
Keene, CA
- Average cloud cover in December: 27
The month with the most cloud cover is March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Keene, 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).
Keene, California, USA
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