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
In Smethport, the average high-temperature in December decreases from a frosty 43.3°F (6.3°C) in November to a cold 34°F (1.1°C). The average temperature during December nights dips to a freezing cold 23.9°F (-4.5°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Smethport, Pennsylvania, during December, the rain falls for 9.3 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Smethport, Pennsylvania, during the entire year, the rain falls for 160.5 days and collects up to 29.88" (759mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Smethport, in December, snow falls for 16.1 days, with typically accumulated 8.15" (207mm) of snow. In Smethport, during the entire year, snow falls for 79.8 days and aggregates up to 40.12" (1019mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:53 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 2.5h of sunshine.UV index
The months with the lowest UV index in Smethport are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Smethport, PA
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Smethport, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Smethport, PA
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Smethport, PA
- Average humidity in December: 87%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in December
Smethport, PA
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Smethport, PA
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Smethport, PA
- Average snowfall in December: 8.15"
The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Smethport, PA
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Smethport, PA
- 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: 2h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 2h and 30min).
Average sunshine days in December
Smethport, PA
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in December
Smethport, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Smethport, PA
- Average cloud cover in December: 76
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in December
Smethport, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Smethport, Pennsylvania, USA
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