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 stands out as Dietrich's coldest month, with an average high-temperature of 32.9°F (0.5°C) and a low-temperature of 21.9°F (-5.6°C).Humidity
The average relative humidity in December is 79%.Rainfall
The month with the most rainfall is December, when the rain falls for 7.4 days and typically aggregates up to 1.3" (33mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Dietrich, in December, during 10.8 snowfall days, 6.14" (156mm) of snow is typically accumulated. Throughout the year, there are 42 snowfall days, and 23.35" (593mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:49 am and sunset at 5:03 pm. On the last day of December, sunrise is at 8:07 am and sunset at 5:12 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 5.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is December?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Dietrich have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Dietrich, ID
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (32.9°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in December
Dietrich, ID
- Average pressure in December: 30.24"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Dietrich, ID
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Dietrich, ID
- Average humidity in December: 79%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (29%).
Average rainfall in December
Dietrich, ID
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Dietrich, ID
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Dietrich, ID
- Average snowfall in December: 6.14"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Dietrich, ID
- Average snowfall days in December: 10.8 days
The months with the highest number of snowfall days are January and December (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dietrich, ID
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Dietrich, ID
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in December
Dietrich, ID
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Dietrich, ID
- Average cloud cover in December: 39
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Dietrich, ID
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Dietrich, Idaho, USA
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