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
December comes with a drop in the average high-temperature, falling from November's chilly 45.9°F (7.7°C) to a wintry 32.4°F (0.2°C). During the month of December, the temperature falls to an average of 20.8°F (-6.2°C).Humidity
In Hamlin, the average relative humidity in December is 79%.Rainfall
In Hamlin, in December, during 5 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Hamlin, during the entire year, the rain falls for 127.8 days and collects up to 24.88" (632mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hamlin, in December, snow falls for 8.2 days, with typically accumulated 2.4" (61mm) of snow. Throughout the year, there are 38 snowfall days, and 12.72" (323mm) of snow is accumulated.Daylight
December has the shortest days of the year in Hamlin, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 4:50 pm. On the last day of December, in Hamlin, sunrise is at 7:46 am and sunset at 4:59 pm CST.
Sunshine
The average sunshine in December in Hamlin is 4.9h.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Enhance your sun protection with tightly woven, yet airy clothing. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hamlin?
What is the average humidity in December in Hamlin?
How much does it rain in Hamlin in December?
How many days does it snow in December in Hamlin?
What is the month with the shortest days in Hamlin?
How many hours of daylight does Hamlin have in December?
When is the sunrise / sunset in December in Hamlin?
How many hours of sunshine does Hamlin have in December?
What are the months with the lowest UV index in Hamlin?
What is the UV index intensity in December in Hamlin?
Average temperature in December
Hamlin, IA
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in December: 20.8°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 (14.2°F).
Average pressure in December
Hamlin, 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 (29.88"Hg).
Average wind speed in December
Hamlin, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in December
Hamlin, IA
- Average humidity in December: 79%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Hamlin, IA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Hamlin, IA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Hamlin, IA
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hamlin, IA
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hamlin, 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 5min
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
Hamlin, IA
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Hamlin, 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, November and December (UV index 2).
Average cloud cover in December
Hamlin, IA
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Hamlin, 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).
Hamlin, Iowa, USA
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