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 month of December, characterized by an average high of 36.9°F (2.7°C) and a low of 25.5°F (-3.6°C), is recognized as the coldest.Humidity
In Harwood, the average relative humidity in December is 80%.Rainfall
In Harwood, during December, the rain falls for 9.1 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Harwood, there are 82.2 rainfall days, and 5.43" (138mm) of precipitation is accumulated.Snowfall
January through March, September, November and December are months with snowfall. December is the month with the most snowfall in Harwood. Snow falls for 5.4 days and accumulates 2.76" (70mm) of snow.Daylight
The month with the shortest days in Harwood, Washington, is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:46 am and sunset at 4:25 pm PST.
Sunshine
In December, the average sunshine is 5.9h.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 hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What part of the year is the coldest in Harwood?
How cold is December in Harwood?
What is the average humidity in December in Harwood?
How much does it rain in Harwood in December?
When does it snow the most in Harwood?
How much does it snow in Harwood in December?
What is the month with the shortest days in Harwood?
What is the average length of the day in December in Harwood?
When are sunrise and sunset in December in Harwood?
How long on average sun shines in December in Harwood?
When is the lowest UV index in Harwood?
What is the UV index reading in December in Harwood?
Average temperature in December
Harwood, WA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).
Average pressure in December
Harwood, 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 (29.93"Hg).
Average wind speed in December
Harwood, WA
- Average wind speed in December: 4.4mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).
Average humidity in December
Harwood, WA
- Average humidity in December: 80%
The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in December
Harwood, WA
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is January (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Harwood, WA
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).
Average snowfall in December
Harwood, WA
- Average snowfall in December: 2.76"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in December
Harwood, WA
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is December (5.4 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
Harwood, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 5min
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 36min).
Average sunshine days in December
Harwood, WA
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).
Average UV index in December
Harwood, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Harwood, WA
- Average cloud cover in December: 37
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Harwood, WA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Harwood, Washington, USA
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