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 is the coldest month of the year, registering average temperatures as high as 26.6°F (-3°C) and as low as 14.9°F (-9.5°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Herbert, in December, during 9.3 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Herbert, during the entire year, the rain falls for 120.3 days and collects up to 11.02" (280mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 17.6 days. Throughout December, 6.38" (162mm) of snow is accumulated. In Herbert, during the entire year, snow falls for 84.8 days and aggregates up to 31.85" (809mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:41 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 4:59 pm MST.
Sunshine
In December, the average sunshine in Herbert, Idaho, is 5.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Herbert. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Stay sun-safe with clothing that is both closely woven and worn loosely. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What part of the year is the coldest in Herbert?
How cold is it in Herbert in December?
What is the average humidity in December in Herbert?
How much does it rain in Herbert in December?
How much does it snow in Herbert in December?
What is the month with the shortest days in Herbert?
How many hours of daylight does Herbert have in December?
When is the sunrise / sunset in December in Herbert?
How many hours of sunshine does Herbert have in December?
When is the lowest UV index in Herbert?
What is the UV index reading in December in Herbert?
Average temperature in December
Herbert, ID
- Average high temperature in December: 26.6°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in December
Herbert, ID
- Average pressure in December: 30.26"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Herbert, ID
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in December
Herbert, ID
- Average humidity in December: 87%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Herbert, ID
- Average rainfall in December: 0.87"
The wettest months (with the highest rainfall) are April and May (1.26").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Herbert, ID
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is July (6.3 days).
Average snowfall in December
Herbert, ID
- Average snowfall in December: 6.38"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Herbert, ID
- Average snowfall days in December: 17.6 days
The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Herbert, ID
- 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Herbert, ID
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Herbert, 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 and December (UV index 1).
Average cloud cover in December
Herbert, ID
- Average cloud cover in December: 50
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in December
Herbert, ID
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Herbert, Idaho, USA
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