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 December, the average high-temperature decreases from a chilly 44.4°F (6.9°C) in November to a cold 35.1°F (1.7°C). In Dayton, in December, the average low-temperature is 26.1°F (-3.3°C).Humidity
In Dayton, the average relative humidity in December is 86%.Rainfall
In Dayton, during December, the rain falls for 8.8 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Dayton, during the entire year, the rain falls for 148.9 days and collects up to 18.35" (466mm) of precipitation.Snowfall
Months with snowfall in Dayton, New York, are January through May, October through December. The months with the most snowfall in Dayton, New York, are January and December, with an average 3.54" (90mm) of accumulated snow.Daylight
With an average of 9h and 8min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:25 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:52 pm EST.
Sunshine
In Dayton, the average sunshine in December is 2.6h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What is the temperature in December in Dayton?
What is the average humidity in December in Dayton?
How many days does it rain in December in Dayton?
What is the snowiest month in Dayton?
How much does it snow in Dayton in December?
What is the month with the shortest days in Dayton?
How many hours of daylight does Dayton have in December?
When is the sunrise / sunset in December in Dayton?
How long on average sun shines in December in Dayton?
What are the months with the lowest UV index in Dayton?
How high is the UV index in December in Dayton?
Average temperature in December
Dayton, NY
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 26.1°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Dayton, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Dayton, NY
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Dayton, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, August and September (80%).
Average rainfall in December
Dayton, NY
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in December
Dayton, NY
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is October (16.6 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Dayton, NY
- Average snowfall in December: 3.54"
The months with the highest snowfall are January and December (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dayton, NY
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dayton, NY
- Average daylight in December: 9h and 8min
The month with the longest days is June (Average daylight: 15h and 14min).
The month with the shortest days is December (Average daylight: 9h and 8min).
- Average sunshine in December: 2h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Dayton, NY
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is January (8.2 days).
Average UV index in December
Dayton, NY
- 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, February and December (UV index 1).
Average cloud cover in December
Dayton, NY
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Dayton, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Weather forecast for your location
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location
