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
Brownstown's December weather, with an average high temperature of 35.2°F (1.8°C) and an average low temperature of 23.9°F (-4.5°C), tends to be the coldest of the year.Humidity
In December, the average relative humidity in Brownstown is 83%.Rainfall
In Brownstown, in December, during 10.6 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, in Brownstown, Washington, there are 112.8 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
Months with snowfall in Brownstown, Washington, are January through April, September, November and December. In Brownstown, in December, snow falls for 5.5 days, with typically accumulated 2.87" (73mm) of snow. Throughout the year, in Brownstown, there are 19.9 snowfall days, and 12.36" (314mm) of snow is accumulated.Daylight
The month with the shortest days in Brownstown is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:25 pm PST.
Sunshine
In Brownstown, the average sunshine in December is 5.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Brownstown?
How cold is December in Brownstown?
What is the average humidity in December in Brownstown?
How many days does it rain in December in Brownstown?
How many days does it snow in December in Brownstown?
What is the month with the shortest days in Brownstown?
What is the average length of the day in December in Brownstown?
When are sunrise and sunset in December in Brownstown?
How long on average sun shines in December in Brownstown?
What is the month with the lowest UV index in Brownstown?
What is the UV index reading in December in Brownstown?
Average temperature in December
Brownstown, WA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in December
Brownstown, WA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in December
Brownstown, WA
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in December
Brownstown, WA
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (43%).
Average rainfall in December
Brownstown, WA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is January (1.61").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Brownstown, WA
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in December
Brownstown, WA
- Average snowfall in December: 2.87"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Brownstown, WA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Brownstown, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Brownstown, WA
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is July (25.9 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in December
Brownstown, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Brownstown, WA
- Average cloud cover in December: 40
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Brownstown, WA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Brownstown, Washington, USA
Weather forecast for your location
2. Allow the app to use your location