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's arrival signals a distinct temperature shift, dropping from a wintry 42.4°F (5.8°C) in November to a subzero cold 27.3°F (-2.6°C). Wallingford observes an average nighttime low-temperature of 16.5°F (-8.6°C) during the month of December.Humidity
The average relative humidity in December is 85%.Rainfall
In Wallingford, Iowa, in December, during 4.4 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 123.7 rainfall days, and 23.66" (601mm) of precipitation is accumulated.Snowfall
Months with snowfall in Wallingford are January through May, October through December. In Wallingford, Iowa, during December, snow falls for 11.1 days and regularly aggregates up to 3.66" (93mm) of snow. In Wallingford, Iowa, during the entire year, snow falls for 48.8 days and aggregates up to 19.76" (502mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:32 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:51 am and sunset at 4:53 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
In Wallingford, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is December in Wallingford?
What is the average humidity in December in Wallingford?
How much does it rain in Wallingford in December?
How many days does it snow in December in Wallingford?
What is the month with the shortest days in Wallingford?
How many hours of daylight does Wallingford have in December?
When is the sunrise / sunset in December in Wallingford?
How long on average sun shines in December in Wallingford?
What is the UV index reading in December in Wallingford?
Average temperature in December
Wallingford, IA
- Average high temperature in December: 27.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 16.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Wallingford, IA
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Wallingford, IA
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in December
Wallingford, IA
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Wallingford, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Wallingford, IA
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Wallingford, IA
- Average snowfall in December: 3.66"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wallingford, IA
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wallingford, IA
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Wallingford, IA
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in December
Wallingford, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Wallingford, IA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in December
Wallingford, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Wallingford, Iowa, USA
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