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 35.2°F (1.8°C) and a low of 26.1°F (-3.3°C), is recognized as the coldest.Humidity
January, February and December, with an average relative humidity of 88%, are the most humid months in Pitt.Rainfall
In Pitt, in December, during 16.1 rainfall days, 4.61" (117mm) of precipitation is typically accumulated. Throughout the year, there are 152.5 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Pitt, in December, during 6.5 snowfall days, 4.57" (116mm) of snow is typically accumulated. Throughout the year, there are 23.9 snowfall days, and 18.74" (476mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of December in Pitt, sunrise is at 7:26 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:30 pm PST.
Sunshine
The average sunshine in December is 4h.UV index
In December, the average daily maximum UV index in Pitt is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What part of the year is the coldest in Pitt?
How cold is December in Pitt?
What is the most humid month in Pitt?
What is the average humidity in December in Pitt?
How many days does it rain in December in Pitt?
How many days does it snow in December in Pitt?
What is the month with the shortest days in Pitt?
What is the average length of the day in December in Pitt?
When are sunrise and sunset in December in Pitt?
How many hours of sunshine does Pitt have in December?
How high is the UV index in December in Pitt?
Average temperature in December
Pitt, WA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in December
Pitt, WA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in December
Pitt, WA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is June (6.4mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in December
Pitt, WA
- Average humidity in December: 88%
The months with the highest relative humidity are January, February and December (88%).
The months with the lowest relative humidity are July and August (58%).
Average rainfall in December
Pitt, WA
- Average rainfall in December: 4.61"
The wettest month (with the highest rainfall) is January (4.88").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Pitt, WA
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in December
Pitt, WA
- Average snowfall in December: 4.57"
The month with the highest snowfall is January (6.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Pitt, WA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Pitt, 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: 4h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Pitt, WA
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Pitt, 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 and February (UV index 1).
Average cloud cover in December
Pitt, WA
- Average cloud cover in December: 60
The months with the most cloud cover are January and February (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Pitt, WA
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
Pitt, Washington, USA
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