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 44.8°F (7.1°C) in November to a wintry 32.2°F (0.1°C). Walker records a steady low-temperature average of 21.7°F (-5.7°C) during December.Humidity
In December, the average relative humidity in Walker, Iowa, is 82%.Rainfall
In December, in Walker, the rain falls for 6.7 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Walker, during the entire year, the rain falls for 138.6 days and collects up to 27.8" (706mm) of precipitation.Snowfall
Months with snowfall in Walker, Iowa, are January through May, October through December. In Walker, in December, snow falls for 9.1 days, with typically accumulated 2.8" (71mm) of snow. In Walker, during the entire year, snow falls for 41.2 days and aggregates up to 16.73" (425mm) of snow.Daylight
The month with the shortest days in Walker is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:17 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:44 pm CST.
Sunshine
In December, the average sunshine in Walker is 4.3h.UV index
December is the month with the lowest UV index in Walker, 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 rays for ordinary individuals.Note: In December, the maximum UV index of 1 suggests this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take heed! The reflection of snow can intensify 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 December in Walker?
What is the average humidity in December in Walker?
How many days does it rain in December in Walker?
How much does it snow in Walker in December?
What is the month with the shortest days in Walker?
How many hours of daylight does Walker have in December?
When are sunrise and sunset in December in Walker?
How long on average sun shines in December in Walker?
What is the month with the lowest UV index in Walker?
What is the UV index reading in December in Walker?
Average temperature in December
Walker, IA
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in December: 21.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Walker, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Walker, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Walker, IA
- Average humidity in December: 82%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Walker, IA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in December
Walker, IA
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Walker, IA
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Walker, IA
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Walker, 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 6min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Walker, IA
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in December
Walker, IA
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Walker, IA
- 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 August (Cloud cover 30).
Average visibility in December
Walker, 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).
Walker, Iowa, USA
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