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
Harmony's December weather shows a moderate shift in high-temperatures, falling from November's wintry 41.9°F (5.5°C) to a freezing cold 30.4°F (-0.9°C). Throughout December, the temperature falls to an average low of 19.8°F (-6.8°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Harmony, in December, it is raining for 7.3 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, in Harmony, there are 120.7 rainfall days, and 15.79" (401mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Harmony, in December, snow falls for 9.4 days, with typically accumulated 3.07" (78mm) of snow. In Harmony, during the entire year, snow falls for 48.1 days and aggregates up to 17.32" (440mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December in Harmony, Maine, sunrise is at 6:56 am and sunset at 3:58 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:06 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Harmony?
What is the average humidity in December in Harmony?
How many days does it rain in December in Harmony?
How much does it snow in Harmony in December?
What is the month with the shortest days in Harmony?
How many hours of daylight does Harmony have in December?
What time are sunrise and sunset in December in Harmony?
How many hours of sunshine does Harmony have in December?
What are the months with the lowest UV index in Harmony?
How high is the UV index in December in Harmony?
Average temperature in December
Harmony, ME
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in December: 19.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in December
Harmony, 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
Harmony, ME
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Harmony, ME
- Average humidity in December: 82%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and November (77%).
Average rainfall in December
Harmony, ME
- Average rainfall in December: 1.22"
The wettest months (with the highest rainfall) are April, June and October (1.73").
The driest months (with the least rainfall) are February and March (0.91").
Average rainfall days in December
Harmony, ME
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Harmony, ME
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harmony, ME
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harmony, 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: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Harmony, ME
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in December
Harmony, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Harmony, ME
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 40).
Average visibility in December
Harmony, 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).
Harmony, Maine, USA
Weather forecast for your location
2. Allow the app to use your location
