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 lowest temperatures are recorded in December, with averages reaching a high of 33.8°F (1°C) and a low of 19.2°F (-7.1°C).Humidity
In December, the average relative humidity is 69%.Rainfall
In Hartville, in December, it is raining for 3.2 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, there are 84.9 rainfall days, and 9.76" (248mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 7.2 days. Throughout December, 1.73" (44mm) of snow is accumulated. In Hartville, during the entire year, snow falls for 43 days and aggregates up to 18.27" (464mm) of snow.Daylight
The month with the shortest days in Hartville is December, with an average of 9h and 6min of daylight.On the first day of December in Hartville, Wyoming, sunrise is at 7:09 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:36 pm MST.
Sunshine
In Hartville, Wyoming, the average sunshine in December is 6.5h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the coldest month in Hartville?
How cold is December in Hartville?
What is the average humidity in December in Hartville?
How much does it rain in Hartville in December?
How many days does it snow in December in Hartville?
What is the month with the shortest days in Hartville?
How many hours of daylight does Hartville have in December?
When is the sunrise / sunset in December in Hartville?
How many hours of sunshine does Hartville have in December?
When is the lowest UV index in Hartville?
What is the UV index reading in December in Hartville?
Average temperature in December
Hartville, WY
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in December
Hartville, WY
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Hartville, WY
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Hartville, WY
- Average humidity in December: 69%
The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Hartville, WY
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Hartville, WY
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Hartville, WY
- Average snowfall in December: 1.73"
The month with the highest snowfall is November (2.8").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Hartville, WY
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is February (8.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hartville, WY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in December
Hartville, WY
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in December
Hartville, WY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Hartville, WY
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Hartville, WY
- 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).
Hartville, Wyoming, USA
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