December weather forecastLambs Grove, IA
December
Weather in December
December, the first month of the winter in Lambs Grove, is still a cold month, with an average temperature fluctuating between 22.1°F (-5.5°C) and 33.8°F (1°C).Temperature
As December commences, the average high-temperature shows a reduction, transitioning from a chilly 46.9°F (8.3°C) in November to a wintry 33.8°F (1°C). The low-temperature average for Lambs Grove during December stands at a subzero cold 22.1°F (-5.5°C).Humidity
The average relative humidity in December is 80%.Rainfall
The months with the least rainfall are January, February and December Rain falls for 4.3 days and accumulates 0.39" (10mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Lambs Grove, in December, snow falls for 5 days, with typically accumulated 0.51" (13mm) of snow. In Lambs Grove, Iowa, during the entire year, snow falls for 28.8 days and aggregates up to 5.28" (134mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Lambs Grove.On the first day of December, sunrise is at 7:20 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:52 pm CST.
Sunshine
In Lambs Grove, the average sunshine in December is 4.7h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Lambs Grove. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lambs Grove, IA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 22.1°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 (14.4°F).
Average pressure in December
Lambs Grove, 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
Lambs Grove, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Lambs Grove, IA
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Lambs Grove, IA
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (2.13").
The driest months (with the least rainfall) are January, February and December (0.39").
Average rainfall days in December
Lambs Grove, IA
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in December
Lambs Grove, IA
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lambs Grove, IA
- Average snowfall days in December: 5 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lambs Grove, IA
- Average daylight in December: 9h and 12min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Lambs Grove, IA
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in December
Lambs Grove, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Lambs Grove, IA
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in December
Lambs Grove, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
