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, with an average high of 25°F (-3.9°C) and a low of 13.1°F (-10.5°C), signifies the coldest month of the year.Humidity
January and February, with an average relative humidity of 88%, are the most humid months.Rainfall
In January, the rain falls for 8.8 days. Throughout January, 2.4" (61mm) of precipitation is accumulated. In Theresa, during the entire year, the rain falls for 166.4 days and collects up to 30.55" (776mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Theresa, during January, snow falls for 20.6 days and regularly aggregates up to 8.94" (227mm) of snow. In Theresa, during the entire year, snow falls for 87.3 days and aggregates up to 40.16" (1020mm) of snow.Daylight
In Theresa, the average length of the day in January is 9h and 19min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:10 pm EST.
Sunshine
January and February, with an average of 2.9h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 1 during January translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What are the most humid months?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Theresa have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Theresa have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Theresa, NY
- Average high temperature in January: 25°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 (25°F).
- Average low temperature in January: 13.1°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 (13.1°F).
Average pressure in January
Theresa, NY
- Average pressure in January: 30.03"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Theresa, NY
- Average wind speed in January: 9.7mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
Theresa, 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 April (77%).
Average rainfall in January
Theresa, NY
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Theresa, NY
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in January
Theresa, NY
- Average snowfall in January: 8.94"
The month with the highest snowfall is December (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Theresa, NY
- Average snowfall days in January: 20.6 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Theresa, NY
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 2h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in January
Theresa, NY
- Average sunshine days in January: 7.1 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in January
Theresa, NY
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Theresa, NY
- Average cloud cover in January: 71
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Theresa, NY
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Theresa, New York, USA
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