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
The coldest month is December, with an average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 11.3°F (-11.5°C).Humidity
In Grace, the average relative humidity in December is 89%.Rainfall
In Grace, in December, during 4.9 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 100.3 rainfall days, and 15.39" (391mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In Grace, in December, snow falls for 19.9 days, with typically accumulated 12.05" (306mm) of snow. In Grace, during the entire year, snow falls for 106.2 days and aggregates up to 69.33" (1761mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Grace.On the first day of December in Grace, sunrise is at 7:37 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:03 pm MST.
Sunshine
The average sunshine in December in Grace is 4.5h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Grace. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What month is the coldest in Grace?
How cold is it in Grace in December?
What is the average humidity in December in Grace?
How many days does it rain in December in Grace?
How many days does it snow in December in Grace?
What is the month with the shortest days in Grace?
How many hours of daylight does Grace have in December?
When are sunrise and sunset in December in Grace?
How long on average sun shines in December in Grace?
What are the months with the lowest UV index in Grace?
What is the UV index intensity in December in Grace?
Average temperature in December
Grace, ID
- Average high temperature in December: 25.7°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 (25.7°F).
- Average low temperature in December: 11.3°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in December
Grace, ID
- Average pressure in December: 30.26"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Grace, ID
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in December
Grace, 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
Grace, ID
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Grace, ID
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Grace, ID
- Average snowfall in December: 12.05"
The month with the highest snowfall is January (14.41").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Grace, ID
- Average snowfall days in December: 19.9 days
The months with the highest number of snowfall days are February and December (19.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Grace, 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: 4h and 3min
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 18min).
Average sunshine days in December
Grace, ID
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is July (19.1 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Grace, 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 and December (UV index 1).
Average cloud cover in December
Grace, ID
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Grace, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Grace, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location
