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 entails a temperature shift, as the average high-temperature decreases from a chilly 49.3°F (9.6°C) in November to an icy 35.2°F (1.8°C). Randolph in December experiences a low-temperature average of 23°F (-5°C).Humidity
In Randolph, the average relative humidity in December is 77%.Rainfall
In Randolph, in December, during 5.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Randolph, during the entire year, the rain falls for 125.6 days and collects up to 26.14" (664mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Randolph, in December, snow falls for 5.6 days, with typically accumulated 1.85" (47mm) of snow. In Randolph, during the entire year, snow falls for 29.3 days and aggregates up to 10.71" (272mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 4:55 pm. On the last day of December, in Randolph, sunrise is at 7:46 am and sunset at 5:04 pm CST.
Sunshine
In Randolph, the average sunshine in December is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Randolph. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Randolph in December?
What is the average humidity in December in Randolph?
How many days does it rain in December in Randolph?
How much does it snow in Randolph in December?
What is the month with the shortest days in Randolph?
How many hours of daylight does Randolph have in December?
When are sunrise and sunset in December in Randolph?
How long on average sun shines in December in Randolph?
What are the months with the lowest UV index in Randolph?
What is the UV index reading in December in Randolph?
Average temperature in December
Randolph, IA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Randolph, IA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Randolph, IA
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Randolph, IA
- Average humidity in December: 77%
The months with the highest relative humidity are January and July (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Randolph, IA
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in December
Randolph, IA
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Randolph, IA
- Average snowfall in December: 1.85"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Randolph, IA
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Randolph, IA
- 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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Randolph, IA
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Randolph, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Randolph, IA
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Randolph, IA
- 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).
Randolph, Iowa, USA
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