December weather forecastHatley, WI
December
Weather in December
December, the first month of the winter in Hatley, is also a subzero cold month, with temperature in the range of an average low of 15.4°F (-9.2°C) and an average high of 24.8°F (-4°C).Temperature
Hatley's December weather features a mild decline in high-temperatures, reducing from a wintry 38.3°F (3.5°C) in November to a subzero cold 24.8°F (-4°C). Hatley reports a consistent average low-temperature of 15.4°F (-9.2°C) throughout December nights.Humidity
In Hatley, the average relative humidity in December is 89%.Rainfall
In Hatley, in December, during 4.6 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Hatley, during the entire year, the rain falls for 103 days and collects up to 11.02" (280mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 12.7 days. Throughout December, 1.85" (47mm) of snow is accumulated. In Hatley, during the entire year, snow falls for 68.7 days and aggregates up to 11.18" (284mm) of snow.Daylight
The month with the shortest days in Hatley is December, with an average of 8h and 54min of daylight.On the first day of December in Hatley, sunrise is at 7:15 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:26 pm CST.
Sunshine
In December, the average sunshine is 3.1h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Hatley. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Enhance your sun protection with tightly woven, yet airy clothing. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hatley, WI
- Average high temperature in December: 24.8°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in December
Hatley, WI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hatley, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Hatley, WI
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Hatley, WI
- Average rainfall in December: 0.59"
The wettest months (with the highest rainfall) are May and June (1.46").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Hatley, WI
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in December
Hatley, WI
- Average snowfall in December: 1.85"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hatley, WI
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hatley, WI
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Hatley, WI
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in December
Hatley, WI
- 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
Hatley, WI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Hatley, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
