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 comes with a drop in the average high-temperature, falling from November's cold 42.6°F (5.9°C) to a freezing cold 31.1°F (-0.5°C). In Hartland, the average temperature during the nights of December drops to 20.3°F (-6.5°C).Humidity
In Hartland, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 9.7 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. Throughout the year, in Hartland, there are 149.1 rainfall days, and 31.22" (793mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Hartland, Maine, during December, snow falls for 10.7 days and regularly aggregates up to 7.6" (193mm) of snow. In Hartland, during the entire year, snow falls for 58.6 days and aggregates up to 42.32" (1075mm) of snow.Daylight
December has the shortest days of the year in Hartland, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 6:56 am and sunset at 3:58 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:06 pm EST.
Sunshine
In December, the average sunshine is 4.4h.UV index
In Hartland, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is it in Hartland in December?
What is the average humidity in December in Hartland?
How much does it rain in Hartland in December?
How much does it snow in Hartland in December?
What is the month with the shortest days in Hartland?
What is the average length of the day in December in Hartland?
What time are sunrise and sunset in December in Hartland?
How long on average sun shines in December in Hartland?
What is the UV index reading in December in Hartland?
Average temperature in December
Hartland, ME
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in December
Hartland, ME
- Average pressure in December: 30.01"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hartland, ME
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Hartland, ME
- Average humidity in December: 82%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May and November (78%).
Average rainfall in December
Hartland, ME
- Average rainfall in December: 3.27"
The wettest months (with the highest rainfall) are April and October (3.31").
The driest month (with the least rainfall) is July (1.77").
Average rainfall days in December
Hartland, ME
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Hartland, ME
- Average snowfall in December: 7.6"
The month with the highest snowfall is January (9.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hartland, ME
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hartland, ME
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Hartland, ME
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in December
Hartland, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Hartland, ME
- Average cloud cover in December: 52
The months with the most cloud cover are February, March and April (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Hartland, ME
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Hartland, Maine, USA
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