December weather forecastGerrit, ID
December
Weather in December
December, the first month of the winter in Gerrit, is also a subzero cold month, with an average temperature varying between 25°F (-3.9°C) and 11.5°F (-11.4°C).Temperature
December is the month when Gerrit sees the lowest average temperatures, with a high of 25°F (-3.9°C) and a low of 11.5°F (-11.4°C).Humidity
In December, the average relative humidity is 89%.Rainfall
In Gerrit, during December, the rain falls for 7.5 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 121 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In Gerrit, during December, snow falls for 21.6 days and regularly aggregates up to 14.92" (379mm) of snow. In Gerrit, during the entire year, snow falls for 119.7 days and aggregates up to 88.23" (2241mm) of snow.Daylight
December has the shortest days of the year in Gerrit, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:41 am and sunset at 4:47 pm. On the last day of December, sunrise is at 8:00 am and sunset at 4:56 pm MST.
Sunshine
The average sunshine in December is 4.6h.UV index
The months with the lowest UV index are January, February, November 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 unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gerrit, ID
- Average high temperature in December: 25°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25°F).
- Average low temperature in December: 11.5°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Gerrit, ID
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Gerrit, ID
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is June (6.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Gerrit, ID
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Gerrit, ID
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is January (2.44").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in December
Gerrit, ID
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Gerrit, ID
- Average snowfall in December: 14.92"
The month with the highest snowfall is January (20").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Gerrit, ID
- Average snowfall days in December: 21.6 days
The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Gerrit, ID
- Average daylight in December: 8h and 54min
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 36min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Gerrit, ID
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is July (19.9 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in December
Gerrit, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Gerrit, ID
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Gerrit, ID
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
