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 Grant's coldest month, registering average high temperatures of 26.8°F (-2.9°C) and lows of 8.1°F (-13.3°C).Humidity
In December, the average relative humidity in Grant is 77%.Rainfall
December is the month with the least rainfall in Grant, Colorado. Rain falls for 7.6 days and accumulates 0.79" (20mm) of precipitation.Snowfall
January through December are months with snowfall. In Grant, in December, snow falls for 14.8 days, with typically accumulated 6.38" (162mm) of snow. In Grant, Colorado, during the entire year, snow falls for 127.6 days and aggregates up to 93.94" (2386mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:39 pm. On the last day of December, in Grant, sunrise is at 7:22 am and sunset at 4:49 pm MST.
Sunshine
In Grant, the average sunshine in December is 6.5h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What time of the year is the coldest in Grant?
How cold is December in Grant?
What is the average humidity in December in Grant?
What is the driest month in Grant?
How many days does it rain in December in Grant?
How many days does it snow in December in Grant?
What is the month with the shortest days in Grant?
How many hours of daylight does Grant have in December?
When is the sunrise / sunset in December in Grant?
How many hours of sunshine does Grant have in December?
What is the month with the lowest UV index in Grant?
What is the UV index reading in December in Grant?
Average temperature in December
Grant, CO
- Average high temperature in December: 26.8°F
The warmest month (with the highest average high temperature) is July (70°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in December: 8.1°F
The month with the highest average low temperature is July (44.2°F).
The coldest months (with the lowest average low temperature) are January and December (8.1°F).
Average pressure in December
Grant, CO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and May (29.93"Hg).
Average wind speed in December
Grant, CO
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Grant, CO
- Average humidity in December: 77%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is June (51%).
Average rainfall in December
Grant, CO
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in December
Grant, CO
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is July (23.9 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in December
Grant, CO
- Average snowfall in December: 6.38"
The month with the highest snowfall is May (17.48").
The month with the least snowfall is July (0.12").
Average snowfall days in December
Grant, CO
- Average snowfall days in December: 14.8 days
The month with the highest number of snowfall days is April (18.5 days).
The months with the least snowfall days are July and August (0.5 days).
Average daylight in December /
Average sunshine in December
Grant, CO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 6h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in December
Grant, CO
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (4.1 days).
Average UV index in December
Grant, CO
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Grant, CO
- Average cloud cover in December: 33
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are June and September (Cloud cover 18).
Average visibility in December
Grant, CO
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Grant, Colorado, USA
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