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 onset brings a reduction in the average high-temperature, from a frosty 49.1°F (9.5°C) in November to an icy 39.2°F (4°C). During the December nights, an average temperature of 28.9°F (-1.7°C) is observed in Trotwood, Ohio.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 82%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. In Trotwood, during the entire year, the rain falls for 149.5 days and collects up to 23.9" (607mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 5.9 days. Throughout December, 1.38" (35mm) of snow is accumulated. Throughout the year, there are 26.5 snowfall days, and 7.68" (195mm) of snow is accumulated.Daylight
The month with the shortest days in Trotwood is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:22 pm EST.
Sunshine
In Trotwood, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Trotwood are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average UV index of 2 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Trotwood?
What are the most humid months in Trotwood?
What is the average humidity in December in Trotwood?
How many days does it rain in December in Trotwood?
How much does it snow in Trotwood in December?
What is the month with the shortest days in Trotwood?
What is the average length of the day in December in Trotwood?
When are sunrise and sunset in December in Trotwood?
How long on average sun shines in December in Trotwood?
When is the lowest UV index in Trotwood?
What is the UV index intensity in December in Trotwood?
Average temperature in December
Trotwood, OH
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Trotwood, 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 (29.93"Hg).
Average wind speed in December
Trotwood, OH
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Trotwood, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Trotwood, OH
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are September and November (1.5").
Average rainfall days in December
Trotwood, OH
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in December
Trotwood, OH
- Average snowfall in December: 1.38"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Trotwood, OH
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.2 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
Trotwood, OH
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Trotwood, OH
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Trotwood, 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
Trotwood, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Trotwood, 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).
Trotwood, Ohio, USA
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