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
In December, the average high-temperature goes from a frosty 44.1°F (6.7°C) in November to an icy 32°F (0°C). In December, Mount Olympus encounters an average low-temperature of 18.5°F (-7.5°C) during the night.Humidity
The average relative humidity in December is 80%.Rainfall
In Mount Olympus, in December, it is raining for 11 days, with typically 2.2" (56mm) of accumulated precipitation. In Mount Olympus, during the entire year, the rain falls for 120.5 days and collects up to 18.66" (474mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Mount Olympus, Utah. In December, it is snowing for 13 days. Throughout December, 12.52" (318mm) of snow is accumulated. In Mount Olympus, during the entire year, snow falls for 62.9 days and aggregates up to 59.69" (1516mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:32 am and sunset at 5:00 pm. On the last day of December, in Mount Olympus, sunrise is at 7:50 am and sunset at 5:10 pm MST.
Sunshine
In Mount Olympus, Utah, the average sunshine in December is 5.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Mount Olympus. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is December in Mount Olympus?
What is the average humidity in December in Mount Olympus?
How many days does it rain in December in Mount Olympus?
How many days does it snow in December in Mount Olympus?
What is the month with the shortest days in Mount Olympus?
How many hours of daylight does Mount Olympus have in December?
What time are sunrise and sunset in December in Mount Olympus?
How long on average sun shines in December in Mount Olympus?
What is the month with the lowest UV index in Mount Olympus?
What is the UV index intensity in December in Mount Olympus?
Average temperature in December
Mount Olympus, UT
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Mount Olympus, UT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Mount Olympus, UT
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in December
Mount Olympus, UT
- Average humidity in December: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (38%).
Average rainfall in December
Mount Olympus, UT
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is February (2.4").
The driest month (with the least rainfall) is June (0.67").
Average rainfall days in December
Mount Olympus, UT
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is April (13.9 days).
The month with the least rainy days is June (6.9 days).
Average snowfall in December
Mount Olympus, UT
- Average snowfall in December: 12.52"
The month with the highest snowfall is January (14.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mount Olympus, UT
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Olympus, UT
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Mount Olympus, UT
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in December
Mount Olympus, UT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Mount Olympus, UT
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Mount Olympus, UT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Mount Olympus, Utah, USA
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