December weather forecastSaint Paul, OR
December
Weather in December
December, the first month of the winter in Saint Paul, is also a frosty month, with an average temperature fluctuating between 44.1°F (6.7°C) and 34.2°F (1.2°C).Temperature
December is the month when Saint Paul experiences its coldest temperatures, averaging a high of 44.1°F (6.7°C) and a low of 34.2°F (1.2°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 86%.Rainfall
December is the month with the most rainfall. Rain falls for 18.6 days and accumulates 4.13" (105mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Saint Paul, in December, snow falls for 0.6 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 5.8 snowfall days, and 3.43" (87mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 4:31 pm. On the last day of December, in Saint Paul, sunrise is at 7:50 am and sunset at 4:39 pm PST.
Sunshine
The average sunshine in December is 4.1h.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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum 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. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Paul, OR
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (44.1°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in December
Saint Paul, OR
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Saint Paul, OR
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are June and August (4.2mph).
Average humidity in December
Saint Paul, OR
- Average humidity in December: 86%
The months with the highest relative humidity are February and December (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Saint Paul, OR
- Average rainfall in December: 4.13"
The wettest month (with the highest rainfall) is December (4.13").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in December
Saint Paul, OR
- Average rainfall days in December: 18.6 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in December
Saint Paul, OR
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Saint Paul, OR
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Saint Paul, OR
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Saint Paul, OR
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Saint Paul, OR
- 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
Saint Paul, OR
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Saint Paul, OR
- Average visibility in December: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
