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 start of December brings a distinct shift in the average high-temperature, dropping from November's chilly 43.3°F (6.3°C) to a freezing cold 27.5°F (-2.5°C). Nighttime temperature experiences an average drop to 16.3°F (-8.7°C) in December.Humidity
The average relative humidity in December is 85%.Rainfall
In Matlock, in December, it is raining for 4.9 days, with typically 1.34" (34mm) of accumulated precipitation. In Matlock, Iowa, during the entire year, the rain falls for 128.1 days and collects up to 24.17" (614mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 10 days. Throughout December, 3.19" (81mm) of snow is accumulated. Throughout the year, there are 48.8 snowfall days, and 19.21" (488mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Matlock.On the first day of December, sunrise is at 7:36 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:58 pm CST.
Sunshine
In Matlock, the average sunshine in December is 4.5h.UV index
The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Matlock have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Matlock, IA
- Average high temperature in December: 27.5°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 (23.4°F).
- Average low temperature in December: 16.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Matlock, IA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Matlock, IA
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Matlock, 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
Matlock, 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 (0.71").
Average rainfall days in December
Matlock, IA
- Average rainfall days in December: 4.9 days
The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Matlock, IA
- Average snowfall in December: 3.19"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Matlock, IA
- Average snowfall days in December: 10 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
Matlock, 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 3min
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 6min).
Average sunshine days in December
Matlock, IA
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in December
Matlock, 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
Matlock, IA
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Matlock, 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).
Matlock, Iowa, USA
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