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
A shift in the average high-temperature occurs in December, reducing from a chilly 47.8°F (8.8°C) in November to a wintry 36.7°F (2.6°C). Galveston usually reports an average low-temperature of 27.3°F (-2.6°C) during the month of December.Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 164.6 rainfall days, and 29.88" (759mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Galveston, in December, during 9.9 snowfall days, 2.8" (71mm) of snow is typically accumulated. In Galveston, during the entire year, snow falls for 46 days and aggregates up to 14.8" (376mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:49 am and sunset at 5:18 pm. On the last day of December, sunrise is at 8:08 am and sunset at 5:27 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Galveston have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Galveston, IN
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Galveston, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Galveston, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Galveston, IN
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Galveston, IN
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are April and May (3.58").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Galveston, IN
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Galveston, IN
- Average snowfall in December: 2.8"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Galveston, IN
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Galveston, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Galveston, IN
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Galveston, IN
- Average UV index in December: 1
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Galveston, IN
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are June and July (Cloud cover 33).
Average visibility in December
Galveston, 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).
Galveston, Indiana, USA
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