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
December's arrival correlates with a reduction in the average high-temperature, down from a fresh 51.3°F (10.7°C) in November to a cold 41.7°F (5.4°C). In December, the recorded average low-temperature is a freezing cold 30.6°F (-0.8°C).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 81%.Rainfall
In Summerside, during December, the rain falls for 10.8 days and regularly aggregates up to 1.46" (37mm) of precipitation. Throughout the year, there are 139.9 rainfall days, and 18.11" (460mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Summerside, in December, snow falls for 6.7 days, with typically accumulated 0.98" (25mm) of snow. Throughout the year, there are 28.2 snowfall days, and 6.46" (164mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:56 am and sunset at 5:24 pm EST.
Sunshine
In December, the average sunshine in Summerside 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 in Summerside. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days 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 in Summerside?
How many hours of sunshine does Summerside have in December?
When is the lowest UV index?
What is the UV index reading in December in Summerside?
Average temperature in December
Summerside, OH
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Summerside, OH
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Summerside, OH
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in December
Summerside, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in December
Summerside, OH
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Summerside, OH
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Summerside, OH
- Average snowfall in December: 0.98"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Summerside, OH
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Summerside, OH
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Summerside, OH
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Summerside, OH
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Summerside, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Summerside, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Summerside, Ohio, USA
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