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
South Dayton's temperature records reveal January as the coldest month, marked by average highs of 28.2°F (-2.1°C) and lows of 18°F (-7.8°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 88%.Rainfall
January is the month with the least rainfall. Rain falls for 5.5 days and accumulates 1.81" (46mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In South Dayton, New York, in January, snow falls for 11.5 days, with typically accumulated 4.69" (119mm) of snow. In South Dayton, during the entire year, snow falls for 59.1 days and aggregates up to 27.6" (701mm) of snow.Daylight
In January, the average length of the day in South Dayton is 9h and 30min.On the first day of January, sunrise is at 7:45 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:28 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 2.4h of sunshine.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 during January translates into the following guidance:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine in South Dayton?
How many hours of sunshine does South Dayton have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
South Dayton, NY
- Average high temperature in January: 28.2°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
South Dayton, NY
- Average pressure in January: 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 January
South Dayton, NY
- Average wind speed in January: 11.5mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
South Dayton, NY
- Average humidity in January: 88%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is September (80%).
Average rainfall in January
South Dayton, NY
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in January
South Dayton, NY
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in January
South Dayton, NY
- Average snowfall in January: 4.69"
The month with the highest snowfall is November (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
South Dayton, NY
- Average snowfall days in January: 11.5 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
South Dayton, NY
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 2min
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 January
South Dayton, NY
- Average sunshine days in January: 13 days
The month with the most sunshine days is March (14 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in January
South Dayton, NY
- Average UV index in January: 1
The months with the highest UV index are 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 January
South Dayton, NY
- Average cloud cover in January: 77
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
South Dayton, NY
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
South Dayton, New York, USA
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