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
Valparaiso in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 47.3°F (8.5°C) to a wintry 36°F (2.2°C). In Valparaiso, an average temperature of 26.4°F (-3.1°C) is noted during December nights.Humidity
The average relative humidity in December in Valparaiso, Indiana, is 81%.Rainfall
In December, the rain falls for 6.7 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Valparaiso, during the entire year, the rain falls for 133.4 days and collects up to 19.09" (485mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 9.1 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, there are 43.8 snowfall days, and 8.62" (219mm) of snow is accumulated.Daylight
The month with the shortest days in Valparaiso is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:55 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:28 pm CST.
Sunshine
The average sunshine in December is 3.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Valparaiso?
What is the average humidity in December in Valparaiso?
How much does it rain in Valparaiso in December?
How much does it snow in Valparaiso in December?
What is the month with the shortest days in Valparaiso?
What is the average length of the day in December in Valparaiso?
When is the sunrise / sunset in December in Valparaiso?
How many hours of sunshine does Valparaiso have in December?
When is the lowest UV index in Valparaiso?
How high is the UV index in December in Valparaiso?
Average temperature in December
Valparaiso, IN
- Average high temperature in December: 36°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 (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Valparaiso, 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
Valparaiso, IN
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Valparaiso, IN
- Average humidity in December: 81%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Valparaiso, IN
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Valparaiso, IN
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
Valparaiso, IN
- Average snowfall in December: 1.46"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Valparaiso, IN
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Valparaiso, 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 August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Valparaiso, IN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Valparaiso, 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
Valparaiso, IN
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Valparaiso, IN
- 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).
Valparaiso, Indiana, USA
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