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 weather is marked by a drop in the average high-temperature, falling from a fresh 52.3°F (11.3°C) in November to an icy 41.9°F (5.5°C). Wamac temperatures generally rest at a low of 30.6°F (-0.8°C) during the December nights.Humidity
In Wamac, the average relative humidity in December is 78%.Rainfall
In December, in Wamac, the rain falls for 4.1 days. Throughout December, 0.43" (11mm) of precipitation is accumulated. In Wamac, during the entire year, the rain falls for 83.2 days and collects up to 6.81" (173mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Wamac, in December, snow falls for 2.2 days, with typically accumulated 0.16" (4mm) of snow. Throughout the year, in Wamac, Illinois, there are 11.9 snowfall days, and 0.79" (20mm) of snow is accumulated.Daylight
The month with the shortest days in Wamac, Illinois, is December, with an average of 9h and 30min of daylight.On the first day of December in Wamac, sunrise is at 6:55 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:45 pm CST.
Sunshine
In Wamac, Illinois, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Wamac are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is it in Wamac in December?
What is the average humidity in December in Wamac?
How many days does it rain in December in Wamac?
How much does it snow in Wamac in December?
What is the month with the shortest days in Wamac?
What is the average length of the day in December in Wamac?
What time are sunrise and sunset in December in Wamac?
How long on average sun shines in December in Wamac?
When is the lowest UV index in Wamac?
How high is the UV index in December in Wamac?
Average temperature in December
Wamac, IL
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Wamac, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Wamac, IL
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Wamac, IL
- Average humidity in December: 78%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Wamac, IL
- Average rainfall in December: 0.43"
The wettest months (with the highest rainfall) are April and July (0.75").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in December
Wamac, IL
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is May (10.1 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in December
Wamac, IL
- Average snowfall in December: 0.16"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Wamac, IL
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Wamac, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Wamac, IL
- Average sunshine days in December: 24.5 days
The months with the most sunshine days are January and December (24.5 days).
The month with the least sunshine days is May (16.8 days).
Average UV index in December
Wamac, IL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Wamac, IL
- Average cloud cover in December: 50
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Wamac, IL
- 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).
Wamac, Illinois, USA
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