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
December indicates a shift in the average high-temperature, from November's comfortable 60.8°F (16°C) to a fresh 50.7°F (10.4°C). Foster records an average low of 34.9°F (1.6°C) throughout the nights in December.Humidity
In Foster, the average relative humidity in December is 67%.Rainfall
In Foster, during December, the rain falls for 6.3 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 119.9 rainfall days, and 24.65" (626mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Foster, in December, during 1 snowfall days, 0.79" (20mm) of snow is typically accumulated. Throughout the year, there are 5.2 snowfall days, and 3.11" (79mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:29 pm CST.
Sunshine
The month with the least sunshine in Foster is December, with an average of 6.1h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in December in Foster?
What is the average humidity in December in Foster?
How many days does it rain in December in Foster?
How much does it snow in Foster in December?
What is the month with the shortest days in Foster?
How many hours of daylight does Foster have in December?
When are sunrise and sunset in December in Foster?
What is the month with the least sunshine in Foster?
How long on average sun shines in December in Foster?
When is the lowest UV index in Foster?
What is the UV index reading in December in Foster?
Average temperature in December
Foster, OK
- Average high temperature in December: 50.7°F
The warmest months (with the highest average high temperature) are July and August (93.9°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Foster, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Foster, OK
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in December
Foster, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Foster, OK
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in December
Foster, OK
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in December
Foster, OK
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Foster, OK
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Foster, OK
- 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 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Foster, OK
- Average sunshine days in December: 23 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (14.1 days).
Average UV index in December
Foster, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Foster, OK
- Average cloud cover in December: 31
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Foster, OK
- 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).
Foster, Oklahoma, USA
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