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
A shift in Hopewell's weather is observed as November turns into December, with the average high temperature reducing from a frosty 47.3°F (8.5°C) to a cold 35.8°F (2.1°C). An average nighttime temperature of 25.3°F (-3.7°C) is noted during the month of December.Humidity
The average relative humidity in December in Hopewell is 81%.Rainfall
In Hopewell, during December, the rain falls for 7.3 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Hopewell, during the entire year, the rain falls for 148.8 days and collects up to 30.94" (786mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Hopewell, in December, during 6.9 snowfall days, 2.13" (54mm) of snow is typically accumulated. Throughout the year, there are 33.3 snowfall days, and 14.33" (364mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:39 pm CST.
Sunshine
In December, the average sunshine is 4.2h.UV index
The months with the lowest UV index in Hopewell are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hopewell?
What is the average humidity in December in Hopewell?
How many days does it rain in December in Hopewell?
How many days does it snow in December in Hopewell?
What is the month with the shortest days in Hopewell?
What is the average length of the day in December in Hopewell?
What time are sunrise and sunset in December in Hopewell?
How long on average sun shines in December in Hopewell?
What is the month with the lowest UV index in Hopewell?
How high is the UV index in December in Hopewell?
Average temperature in December
Hopewell, IL
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Hopewell, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hopewell, IL
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Hopewell, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Hopewell, IL
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in December
Hopewell, IL
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Hopewell, IL
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hopewell, IL
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hopewell, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Hopewell, IL
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Hopewell, IL
- 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 and December (UV index 1).
Average cloud cover in December
Hopewell, IL
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in December
Hopewell, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Hopewell, Illinois, USA
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