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
As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a frosty 46.9°F (8.3°C) to a cold 35.6°F (2°C). The low-temperature in Hanna averages to a subzero cold 26.4°F (-3.1°C) during the nights of December.Humidity
The average relative humidity in December is 82%.Rainfall
In Hanna, during December, the rain falls for 8.9 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, in Hanna, there are 154.3 rainfall days, and 26.69" (678mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Hanna, in December, snow falls for 11 days, with typically accumulated 2.87" (73mm) of snow. In Hanna, Indiana, during the entire year, snow falls for 52.4 days and aggregates up to 15.83" (402mm) of snow.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 6:54 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:27 pm CST.
Sunshine
The average sunshine in December is 3.6h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is it in Hanna in December?
What is the average humidity in December in Hanna?
How much does it rain in Hanna in December?
How many days does it snow in December in Hanna?
What is the month with the shortest days in Hanna?
How many hours of daylight does Hanna have in December?
When are sunrise and sunset in December in Hanna?
How many hours of sunshine does Hanna have in December?
What is the month with the lowest UV index in Hanna?
What is the UV index intensity in December in Hanna?
Average temperature in December
Hanna, IN
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Hanna, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Hanna, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Hanna, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Hanna, IN
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Hanna, IN
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Hanna, IN
- Average snowfall in December: 2.87"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hanna, IN
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hanna, IN
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 4min
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 12min).
Average sunshine days in December
Hanna, IN
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in December
Hanna, IN
- 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
Hanna, IN
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Hanna, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Hanna, Indiana, USA
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