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
Gahanna in December experiences a subtle temperature decline, with average high-temperatures reducing from a frosty 49.6°F (9.8°C) in November to a cold 39.4°F (4.1°C). In December, the average low-temperature in Gahanna records at a subzero cold 29.3°F (-1.5°C) during the nights.Humidity
In December, the average relative humidity is 81%.Rainfall
In Gahanna, Ohio, in December, during 8.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Gahanna, during the entire year, the rain falls for 139.3 days and collects up to 20.31" (516mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Gahanna. In December, in Gahanna, it is snowing for 4.5 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, there are 25.8 snowfall days, and 6.14" (156mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:53 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in December in Gahanna is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Gahanna. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
Is it cold in Gahanna during December?
What is the average humidity in December in Gahanna?
How many days does it rain in December in Gahanna?
How much does it snow in Gahanna in December?
What is the month with the shortest days in Gahanna?
What is the average length of the day in December in Gahanna?
When are sunrise and sunset in December in Gahanna?
How long on average sun shines in December in Gahanna?
What is the month with the lowest UV index in Gahanna?
How high is the UV index in December in Gahanna?
Average temperature in December
Gahanna, OH
- Average high temperature in December: 39.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Gahanna, OH
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Gahanna, OH
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Gahanna, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April, October and November (74%).
Average rainfall in December
Gahanna, OH
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in December
Gahanna, OH
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Gahanna, OH
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Gahanna, OH
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.9 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
Gahanna, 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: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Gahanna, OH
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Gahanna, OH
- Average UV index in December: 2
The months with the highest UV index are May, 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
Gahanna, 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 29).
Average visibility in December
Gahanna, 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).
Gahanna, Ohio, USA
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