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 average high-temperature drops in December, from November's chilly 48.9°F (9.4°C) to an icy 38.3°F (3.5°C). Throughout the nights in December, Potsdam experiences an average low-temperature of 28°F (-2.2°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Potsdam, Ohio, in December, it is raining for 8.7 days, with typically 1.5" (38mm) of accumulated precipitation. In Potsdam, during the entire year, the rain falls for 148.7 days and collects up to 22.32" (567mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Potsdam, during December, snow falls for 6.4 days and regularly aggregates up to 1.34" (34mm) of snow. Throughout the year, there are 29.5 snowfall days, and 6.69" (170mm) of snow is accumulated.Daylight
The month with the shortest days in Potsdam is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:40 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:22 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Potsdam in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Potsdam have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Potsdam have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Potsdam, OH
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Potsdam, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Potsdam, OH
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Potsdam, OH
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Potsdam, OH
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in December
Potsdam, OH
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in December
Potsdam, OH
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Potsdam, OH
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Potsdam, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Potsdam, OH
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Potsdam, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Potsdam, OH
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Potsdam, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (6mi).
The month with the lowest visibility is September (5mi).
Potsdam, Ohio, USA
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