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 beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 48.4°F (9.1°C) in November to an icy 36°F (2.2°C). West Grove, in December, observes a steady average low-temperature of 24.1°F (-4.4°C).Humidity
In West Grove, the average relative humidity in December is 79%.Rainfall
In West Grove, during December, the rain falls for 7.7 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, in West Grove, Iowa, there are 133.4 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In West Grove, in December, snow falls for 6.7 days, with typically accumulated 1.81" (46mm) of snow. In West Grove, during the entire year, snow falls for 34.8 days and aggregates up to 16.18" (411mm) of snow.Daylight
December has the shortest days of the year in West Grove, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:53 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in West Grove?
What is the average humidity in December in West Grove?
How much does it rain in West Grove in December?
How much does it snow in West Grove in December?
What is the month with the shortest days in West Grove?
How many hours of daylight does West Grove have in December?
When are sunrise and sunset in December in West Grove?
How long on average sun shines in December in West Grove?
When is the lowest UV index in West Grove?
What is the UV index reading in December in West Grove?
Average temperature in December
West Grove, IA
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
West Grove, IA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
West Grove, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
West Grove, IA
- Average humidity in December: 79%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
West Grove, IA
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
West Grove, IA
- Average rainfall days in December: 7.7 days
The months with the highest number of rainy days are May and June (16.8 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in December
West Grove, IA
- Average snowfall in December: 1.81"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
West Grove, IA
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (10.8 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
West Grove, IA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
West Grove, IA
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
West Grove, 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
West Grove, IA
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 28).
Average visibility in December
West Grove, 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).
West Grove, Iowa, USA
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