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 shift from November to December corresponds with a decrease in the average high-temperature, down to an icy 35.8°F (2.1°C) from a chilly 45.7°F (7.6°C). In Watervliet, December's low temperatures hover around a subzero cold 28.4°F (-2°C), reflecting a minor decrease from the daytime highs.Humidity
In Watervliet, the average relative humidity in December is 82%.Rainfall
In Watervliet, Michigan, during December, the rain falls for 6.5 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Watervliet, during the entire year, the rain falls for 129.4 days and collects up to 14.57" (370mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Watervliet. In Watervliet, in December, snow falls for 11.2 days, with typically accumulated 0.98" (25mm) of snow. Throughout the year, in Watervliet, there are 49 snowfall days, and 7.68" (195mm) of snow is accumulated.Daylight
The month with the shortest days in Watervliet is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:54 am and sunset at 5:13 pm. On the last day of December, in Watervliet, sunrise is at 8:13 am and sunset at 5:23 pm EST.
Sunshine
The average sunshine in December in Watervliet is 3.3h.UV index
The month with the lowest UV index in Watervliet, Michigan, is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Watervliet?
What is the average humidity in December in Watervliet?
How many days does it rain in December in Watervliet?
How much does it snow in Watervliet in December?
What is the month with the shortest days in Watervliet?
What is the average length of the day in December in Watervliet?
When is the sunrise / sunset in December in Watervliet?
How long on average sun shines in December in Watervliet?
When is the lowest UV index in Watervliet?
How high is the UV index in December in Watervliet?
Average temperature in December
Watervliet, MI
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Watervliet, MI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Watervliet, MI
- Average wind speed in December: 11.5mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Watervliet, MI
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Watervliet, MI
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Watervliet, MI
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Watervliet, MI
- Average snowfall in December: 0.98"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Watervliet, MI
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Watervliet, MI
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Watervliet, MI
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is March (17.1 days).
The month with the least sunshine days is January (12.2 days).
Average UV index in December
Watervliet, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Watervliet, MI
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Watervliet, MI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Watervliet, Michigan, USA
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