December weather forecastOnawa, ME
December
Weather in December
December, the first month of the winter in Onawa, is also a subzero cold month, with an average temperature fluctuating between 28.6°F (-1.9°C) and 18.3°F (-7.6°C).Temperature
In December, the average high-temperature decreases from a wintry 40.1°F (4.5°C) in November to a freezing cold 28.6°F (-1.9°C). December brings Onawa a consistent average low-temperature of 18.3°F (-7.6°C).Humidity
In Onawa, the average relative humidity in December is 84%.Rainfall
In Onawa, Maine, in December, it is raining for 9.6 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Onawa, there are 152.4 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Onawa, Maine. In Onawa, during December, snow falls for 12.8 days and regularly aggregates up to 4.61" (117mm) of snow. Throughout the year, there are 71.8 snowfall days, and 27.28" (693mm) of snow is accumulated.Daylight
The month with the shortest days in Onawa is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 3:56 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:04 pm EST.
Sunshine
In December, the average sunshine in Onawa is 4.1h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Onawa, ME
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Onawa, 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 (29.9"Hg).
Average wind speed in December
Onawa, ME
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Onawa, ME
- Average humidity in December: 84%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Onawa, ME
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is April (2.24").
The driest months (with the least rainfall) are February and March (1.22").
Average rainfall days in December
Onawa, ME
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Onawa, ME
- Average snowfall in December: 4.61"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Onawa, ME
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Onawa, ME
- Average daylight in December: 8h and 48min
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 6min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Onawa, ME
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (10.4 days).
Average UV index in December
Onawa, ME
- 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, March, October, November and December (UV index 2).
Average cloud cover in December
Onawa, ME
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 41).
Average visibility in December
Onawa, ME
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
