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 onset of December coincides with a reduction in the average high-temperature, falling from a chilly 46.8°F (8.2°C) in November to an icy 33.6°F (0.9°C). Victor records an average low of 22.3°F (-5.4°C) throughout the nights in December.Humidity
In December, the average relative humidity is 80%.Rainfall
In Victor, in December, it is raining for 7.3 days, with typically 1.46" (37mm) of accumulated precipitation. In Victor, during the entire year, the rain falls for 145.5 days and collects up to 30.39" (772mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Victor. In December, it is snowing for 7.5 days. Throughout December, 2.24" (57mm) of snow is accumulated. Throughout the year, in Victor, there are 39 snowfall days, and 16.65" (423mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:48 pm CST.
Sunshine
The average sunshine in December is 4.6h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 in December translates into these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Victor?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
Victor, IA
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Victor, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Victor, IA
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Victor, IA
- Average humidity in December: 80%
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Victor, IA
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Victor, IA
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (5 days).
Average snowfall in December
Victor, IA
- Average snowfall in December: 2.24"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Victor, IA
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Victor, IA
- 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 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Victor, IA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Victor, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Victor, IA
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Victor, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Victor, Iowa, USA
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