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 transition into December indicates a reduction in the average high-temperature, down to a cold 35.8°F (2.1°C) from November's frosty 46.4°F (8°C). In Spencerville, the average temperature during the nights of December drops to a freezing cold 26.1°F (-3.3°C).Humidity
In Spencerville, Indiana, the average relative humidity in December is 84%.Rainfall
The months with the least rainfall in Spencerville are January and December Rain falls for 9.3 days and accumulates 1.34" (34mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Spencerville, Indiana, in December, during 11.5 snowfall days, 2.09" (53mm) of snow is typically accumulated. In Spencerville, during the entire year, snow falls for 54.1 days and aggregates up to 13.43" (341mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:46 am and sunset at 5:11 pm. On the last day of December, sunrise is at 8:05 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
December is the month with the lowest UV index in Spencerville, Indiana, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 1 during December leads to these advisories:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is December in Spencerville?
What is the average humidity in December in Spencerville?
What is the driest month in Spencerville?
How much does it rain in Spencerville in December?
How much does it snow in Spencerville in December?
What is the month with the shortest days in Spencerville?
How many hours of daylight does Spencerville have in December?
When are sunrise and sunset in December in Spencerville?
How long on average sun shines in December in Spencerville?
What is the month with the lowest UV index in Spencerville?
How high is the UV index in December in Spencerville?
Average temperature in December
Spencerville, IN
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Spencerville, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Spencerville, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Spencerville, IN
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Spencerville, IN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are January and December (1.34").
Average rainfall days in December
Spencerville, IN
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Spencerville, IN
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spencerville, IN
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spencerville, IN
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Spencerville, IN
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in December
Spencerville, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Spencerville, 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 33).
Average visibility in December
Spencerville, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Spencerville, Indiana, USA
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