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
With an average high-temperature of 34.7°F (1.5°C) and an average low-temperature of 24.6°F (-4.1°C), December is the coldest month.Humidity
In December, the average relative humidity in Farmington is 84%.Rainfall
December is the month with the most rainfall in Farmington. Rain falls for 9.5 days and accumulates 1.93" (49mm) of precipitation.Snowfall
Months with snowfall in Farmington are January through May, September through December. In Farmington, in December, during 9.6 snowfall days, 4.65" (118mm) of snow is typically accumulated. In Farmington, during the entire year, snow falls for 39.6 days and aggregates up to 22.68" (576mm) 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 in Farmington, sunrise is at 7:14 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:08 pm PST.
Sunshine
January and December, with an average of 4.6h of sunshine, are months with the least sunshine in Farmington.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What month is the coldest in Farmington?
How cold is December in Farmington?
What is the average humidity in December in Farmington?
What is the wettest month in Farmington?
How many days does it rain in December in Farmington?
How many days does it snow in December in Farmington?
What is the month with the shortest days in Farmington?
What is the average length of the day in December in Farmington?
When are sunrise and sunset in December in Farmington?
What is the month with the least sunshine in Farmington?
How many hours of sunshine does Farmington have in December?
What are the months with the lowest UV index in Farmington?
What is the UV index reading in December in Farmington?
Average temperature in December
Farmington, WA
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).
Average pressure in December
Farmington, WA
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in December
Farmington, WA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Farmington, WA
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Farmington, WA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is December (1.93").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Farmington, WA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in December
Farmington, WA
- Average snowfall in December: 4.65"
The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Farmington, WA
- Average snowfall days in December: 9.6 days
The months with the highest number of snowfall days are February and December (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Farmington, WA
- Average daylight in December: 8h and 4min
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: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Farmington, WA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in December
Farmington, WA
- 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 January, February, November and December (UV index 2).
Average cloud cover in December
Farmington, WA
- Average cloud cover in December: 53
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in December
Farmington, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Farmington, Washington, USA
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