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 its high average temperature of 43.9°F (6.6°C) and a low of 34.7°F (1.5°C), December is regarded as the coldest month.Humidity
November and December, with an average relative humidity of 90%, are the most humid months.Rainfall
The wettest months in Montesano, Washington, are January and December, with an average 5.04" (128mm) of rainfall.Snowfall
Months with snowfall are January through March, November and December. In Montesano, Washington, during December, snow falls for 0.6 days and regularly aggregates up to 0.08" (2mm) of snow. Throughout the year, in Montesano, there are 5.1 snowfall days, and 2.32" (59mm) of snow is accumulated.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year in Montesano.On the first day of the month, sunrise is at 7:40 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:35 pm PST.
Sunshine
The months with the least sunshine in Montesano are January and December, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index in Montesano, Washington, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What are the coldest months in Montesano?
Is it cold in Montesano during December?
What are the most humid months in Montesano?
What is the average humidity in December in Montesano?
What is the rainiest month in Montesano?
How much does it rain in Montesano in December?
How much does it snow in Montesano in December?
What is the month with the shortest days in Montesano?
What is the average length of the day in December in Montesano?
When are sunrise and sunset in December in Montesano?
What are the months with the least sunshine in Montesano?
How long on average sun shines in December in Montesano?
What is the month with the lowest UV index in Montesano?
What is the UV index intensity in December in Montesano?
Average temperature in December
Montesano, WA
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (43.9°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is February (34.5°F).
Average pressure in December
Montesano, WA
- Average pressure in December: 30.06"Hg
The months with the highest atmospheric pressure are January and July (30.07"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in December
Montesano, WA
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is January (5.5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in December
Montesano, WA
- Average humidity in December: 90%
The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Montesano, WA
- Average rainfall in December: 5.04"
The wettest months (with the highest rainfall) are January and December (5.04").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Montesano, WA
- Average rainfall days in December: 18.7 days
The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in December
Montesano, WA
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Montesano, WA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Montesano, 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: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in December
Montesano, WA
- Average sunshine days in December: 11.1 days
The months with the most sunshine days are July and August (22.1 days).
The month with the least sunshine days is March (10 days).
Average UV index in December
Montesano, WA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Montesano, WA
- Average cloud cover in December: 67
The months with the most cloud cover are January and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Montesano, WA
- Average visibility in December: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Montesano, Washington, USA
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