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
Tama observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 45.1°F (7.3°C) to a cold 32.5°F (0.3°C). Throughout December nights, Tama registers an average low-temperature of 21.4°F (-5.9°C).Humidity
In Tama, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 5.9 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Tama, during the entire year, the rain falls for 133.1 days and collects up to 27.76" (705mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Tama, Iowa, in December, during 8.1 snowfall days, 2.24" (57mm) of snow is typically accumulated. Throughout the year, there are 38.6 snowfall days, and 14.29" (363mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:49 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Tama have in December?
When is the lowest UV index in Tama?
How high is the UV index in December?
Average temperature in December
Tama, IA
- Average high temperature in December: 32.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 21.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in December
Tama, 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
Tama, IA
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Tama, IA
- Average humidity in December: 81%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Tama, IA
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Tama, IA
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Tama, IA
- Average snowfall in December: 2.24"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tama, IA
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tama, 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 12min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Tama, IA
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Tama, 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, February, October, November and December (UV index 2).
Average cloud cover in December
Tama, IA
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in December
Tama, IA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Tama, Iowa, USA
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