Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January stands out as Dayton's coldest month, with temperatures ranging between an average high of 38.8°F (3.8°C) and a low of 23.4°F (-4.8°C).Humidity
The months with the lowest humidity in Dayton are January and July, with an average relative humidity of 74%.Rainfall
In January, the rain falls for 9.8 days. Throughout January, 1.85" (47mm) of precipitation is accumulated. In Dayton, Virginia, during the entire year, the rain falls for 167.3 days and collects up to 30.35" (771mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Dayton. In Dayton, in January, during 6.7 snowfall days, 3.78" (96mm) of snow is typically accumulated. In Dayton, during the entire year, snow falls for 23.3 days and aggregates up to 16.89" (429mm) of snow.Daylight
In January, the average length of the day in Dayton is 9h and 51min.On the first day of the month, sunrise is at 7:32 am and sunset at 5:05 pm. On the last day of January, in Dayton, sunrise is at 7:21 am and sunset at 5:36 pm EST.
Sunshine
In January, the average sunshine in Dayton is 5.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 in January translates into these instructions:
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 intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the coldest month in Dayton?
How cold is January in Dayton?
What is the least humid month in Dayton?
What is the average humidity in January in Dayton?
How many days does it rain in January in Dayton?
How many days does it snow in January in Dayton?
How many hours of daylight does Dayton have in January?
When are sunrise and sunset in January in Dayton?
How long on average sun shines in January in Dayton?
What are the months with the lowest UV index in Dayton?
How high is the UV index in January in Dayton?
Average temperature in January
Dayton, VA
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Dayton, VA
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Dayton, VA
- Average wind speed in January: 6.4mph
The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Dayton, VA
- Average humidity in January: 74%
The months with the highest relative humidity are May, September and October (78%).
The months with the lowest relative humidity are January and July (74%).
Average rainfall in January
Dayton, VA
- Average rainfall in January: 1.85"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in January
Dayton, VA
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in January
Dayton, VA
- Average snowfall in January: 3.78"
The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dayton, VA
- Average snowfall days in January: 6.7 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dayton, VA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Dayton, VA
- Average sunshine days in January: 17 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in January
Dayton, VA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Dayton, VA
- Average cloud cover in January: 43
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in January
Dayton, VA
- Average visibility in January: 5mi
The months with the highest visibility are February, April, June, July and November (6mi).
The months with the lowest visibility are January, March, May, August, September, October and December (5mi).
Dayton, Virginia, USA
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