December weather forecastLongmire, WA
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Longmire, Washington, with an average temperature ranging between max 30.4°F (-0.9°C) and min 18.5°F (-7.5°C).Temperature
In Longmire, the month of December is known for its lowest average temperatures, reaching a high of 30.4°F (-0.9°C) and a low of 18.5°F (-7.5°C).Humidity
In December, the average relative humidity is 92%.Rainfall
In Longmire, during December, the rain falls for 5.7 days and regularly aggregates up to 5.59" (142mm) of precipitation. Throughout the year, there are 96.1 rainfall days, and 36.54" (928mm) of precipitation is accumulated.Snowfall
January through July, September through December are months with snowfall. In December, it is snowing for 20.9 days. Throughout December, 37.01" (940mm) of snow is accumulated. In Longmire, during the entire year, snow falls for 147 days and aggregates up to 210.2" (5339mm) of snow.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:32 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:29 pm PST.
Sunshine
In Longmire, Washington, the average sunshine in December is 3.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Longmire, WA
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in December
Longmire, WA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in December
Longmire, WA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in December
Longmire, WA
- Average humidity in December: 92%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are July and August (63%).
Average rainfall in December
Longmire, WA
- Average rainfall in December: 5.59"
The wettest month (with the highest rainfall) is January (6.14").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Longmire, WA
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is October (12.6 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Longmire, WA
- Average snowfall in December: 37.01"
The month with the highest snowfall is January (41.73").
The month with the least snowfall is August (0").
Average snowfall days in December
Longmire, WA
- Average snowfall days in December: 20.9 days
The month with the highest number of snowfall days is March (22.2 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in December /
Average sunshine in December
Longmire, WA
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 18min).
Average sunshine days in December
Longmire, WA
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in December
Longmire, WA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Longmire, WA
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in December
Longmire, WA
- Average visibility in December: 3mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
