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 brings a significant decrease in the average high-temperature, moving down from an icy 42.6°F (5.9°C) in November to a subzero cold 28.2°F (-2.1°C). During December, the temperature in Hanlontown is averaged to a low of 17.8°F (-7.9°C) at night.Humidity
In Hanlontown, the average relative humidity in December is 86%.Rainfall
In Hanlontown, Iowa, during December, the rain falls for 5.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. Throughout the year, in Hanlontown, there are 145.9 rainfall days, and 28.82" (732mm) of precipitation is accumulated.Snowfall
Months with snowfall in Hanlontown are January through May, October through December. In December, it is snowing for 13.3 days. Throughout December, 4.17" (106mm) of snow is accumulated. In Hanlontown, during the entire year, snow falls for 60.2 days and aggregates up to 26.26" (667mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:26 am and sunset at 4:39 pm. On the last day of December, in Hanlontown, sunrise is at 7:45 am and sunset at 4:48 pm CST.
Sunshine
In December, the average sunshine is 4.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hanlontown, Iowa. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hanlontown in December?
What is the average humidity in December in Hanlontown?
How much does it rain in Hanlontown in December?
How much does it snow in Hanlontown in December?
What is the month with the shortest days in Hanlontown?
What is the average length of the day in December in Hanlontown?
When are sunrise and sunset in December in Hanlontown?
How long on average sun shines in December in Hanlontown?
When is the lowest UV index in Hanlontown?
How high is the UV index in December in Hanlontown?
Average temperature in December
Hanlontown, IA
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 17.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Hanlontown, 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 (29.88"Hg).
Average wind speed in December
Hanlontown, IA
- Average wind speed in December: 10.4mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Hanlontown, IA
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Hanlontown, IA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Hanlontown, IA
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Hanlontown, IA
- Average snowfall in December: 4.17"
The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hanlontown, IA
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hanlontown, 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 1min
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 30min).
Average sunshine days in December
Hanlontown, IA
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (8 days).
Average UV index in December
Hanlontown, IA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Hanlontown, IA
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Hanlontown, IA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Hanlontown, Iowa, USA
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