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
Stepping into December, Etna observes a temperature decline, with the average high falling from November's icy 41.9°F (5.5°C) to a freezing cold 30.7°F (-0.7°C). In Etna, December is marked by an average low-temperature of 20.8°F (-6.2°C).Humidity
The average relative humidity in December is 83%.Rainfall
In Etna, New Hampshire, in December, during 10.9 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Etna, during the entire year, the rain falls for 156.9 days and collects up to 28.23" (717mm) of precipitation.Snowfall
Months with snowfall in Etna, New Hampshire, are January through May, October through December. In Etna, during December, snow falls for 13.5 days and regularly aggregates up to 6.85" (174mm) of snow. In Etna, during the entire year, snow falls for 75.5 days and aggregates up to 40.83" (1037mm) of snow.Daylight
The month with the shortest days in Etna is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 4:13 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:21 pm EST.
Sunshine
The average sunshine in December in Etna, New Hampshire, is 4h.UV index
The months with the lowest UV index in Etna are February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Enhance your sun protection with tightly woven, yet airy clothing. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is December in Etna?
What is the average humidity in December in Etna?
How many days does it rain in December in Etna?
How many days does it snow in December in Etna?
What is the month with the shortest days in Etna?
What is the average length of the day in December in Etna?
When are sunrise and sunset in December in Etna?
How long on average sun shines in December in Etna?
What are the months with the lowest UV index in Etna?
What is the UV index reading in December in Etna?
Average temperature in December
Etna, NH
- Average high temperature in December: 30.7°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 20.8°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 (12.6°F).
Average pressure in December
Etna, NH
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Etna, NH
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Etna, NH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Etna, NH
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Etna, NH
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Etna, NH
- Average snowfall in December: 6.85"
The month with the highest snowfall is February (11.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Etna, NH
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Etna, NH
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Etna, NH
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in December
Etna, NH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Etna, NH
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Etna, NH
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
Etna, New Hampshire, USA
Weather forecast for your location
2. Allow the app to use your location
