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
Mountainview's December weather shows a moderate shift in high-temperatures, falling from November's wintry 36.9°F (2.7°C) to a subzero cold 25.7°F (-3.5°C). December nights cool down to an average low-temperature of 15.1°F (-9.4°C).Humidity
The average relative humidity in December in Mountainview is 87%.Rainfall
In December, in Mountainview, the rain falls for 9.2 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. Throughout the year, there are 152.5 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Mountainview, during December, snow falls for 19.5 days and regularly aggregates up to 11.3" (287mm) of snow. Throughout the year, there are 114.7 snowfall days, and 71.06" (1805mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:03 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:11 pm EST.
Sunshine
In Mountainview, Maine, the average sunshine in December is 3h.UV index
The months with the lowest UV index are February, March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is it in Mountainview in December?
What is the average humidity in December in Mountainview?
How many days does it rain in December in Mountainview?
How much does it snow in Mountainview in December?
What is the month with the shortest days in Mountainview?
How many hours of daylight does Mountainview have in December?
When are sunrise and sunset in December in Mountainview?
How long on average sun shines in December in Mountainview?
When is the lowest UV index in Mountainview?
What is the UV index reading in December in Mountainview?
Average temperature in December
Mountainview, ME
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in December
Mountainview, ME
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Mountainview, ME
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are February, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Mountainview, ME
- Average humidity in December: 87%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Mountainview, ME
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Mountainview, ME
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Mountainview, ME
- Average snowfall in December: 11.3"
The month with the highest snowfall is February (14.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mountainview, ME
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is January (22.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mountainview, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Mountainview, ME
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in December
Mountainview, ME
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in December
Mountainview, ME
- Average cloud cover in December: 72
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in December
Mountainview, ME
- Average visibility in December: 4mi
The months with the highest visibility are May and June (5mi).
The months with the lowest visibility are January, February, March, April, July, August, September, October, November and December (4mi).
Mountainview, Maine, USA
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