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 beginning of December marks a decrease in the average high-temperature, transitioning from a cold 40.6°F (4.8°C) in November to a freezing cold 27.5°F (-2.5°C). Throughout December nights, Amherst experiences a consistent temperature average of 18.1°F (-7.7°C).Humidity
In Amherst, the average relative humidity in December is 86%.Rainfall
In Amherst, during December, the rain falls for 5.4 days and regularly aggregates up to 1.54" (39mm) of precipitation. Throughout the year, in Amherst, there are 125.2 rainfall days, and 23.54" (598mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Amherst, in December, during 12 snowfall days, 4.69" (119mm) of snow is typically accumulated. In Amherst, Wisconsin, during the entire year, snow falls for 56.3 days and aggregates up to 21.38" (543mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December in Amherst, sunrise is at 7:14 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:27 pm CST.
Sunshine
In Amherst, the average sunshine in December is 3.7h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Amherst?
What is the average humidity in December in Amherst?
How much does it rain in Amherst in December?
How many days does it snow in December in Amherst?
What is the month with the shortest days in Amherst?
How many hours of daylight does Amherst have in December?
What time are sunrise and sunset in December in Amherst?
How many hours of sunshine does Amherst have in December?
What are the months with the lowest UV index in Amherst?
What is the UV index reading in December in Amherst?
Average temperature in December
Amherst, WI
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (21.4°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Amherst, 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
Amherst, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Amherst, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Amherst, WI
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Amherst, WI
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in December
Amherst, WI
- Average snowfall in December: 4.69"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Amherst, WI
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Amherst, WI
- Average daylight in December: 8h and 5min
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 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Amherst, WI
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in December
Amherst, WI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Amherst, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Amherst, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, October and November (6mi).
The months with the lowest visibility are January, February, July, September and December (5mi).
Amherst, Wisconsin, USA
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