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
Temperature records mark January as the coldest month, with highs averaging 33.4°F (0.8°C) and lows at 22.6°F (-5.2°C).Humidity
In January, the average relative humidity in South Salem is 76%.Rainfall
January and February are months with the least rain when the rain falls for 5.5 days and typically aggregates up to 0.55" (14mm) of rain.Snowfall
Months with snowfall are January through April, October through December. The months with the most snowfall are January and February, with an average 0.75" (19mm) of accumulated snow.Daylight
In South Salem, the average length of the day in January is 9h and 36min.On the first day of January, sunrise is at 7:19 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:08 pm EST.
Sunshine
In January, the average sunshine is 4.9h.UV index
In South Salem, New York, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In January, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Around midday, solar radiation is most harmful; hence, exposure should be limited. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
How many hours of daylight does South Salem have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does South Salem have in January?
How high is the UV index in January?
Average temperature in January
South Salem, NY
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 22.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in January
South Salem, NY
- Average pressure in January: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
South Salem, NY
- Average wind speed in January: 8.2mph
The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
South Salem, NY
- Average humidity in January: 76%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
South Salem, NY
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in January
South Salem, NY
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in January
South Salem, NY
- Average snowfall in January: 0.75"
The months with the highest snowfall are January and February (0.75").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
South Salem, NY
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
South Salem, NY
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
South Salem, NY
- Average sunshine days in January: 22.5 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in January
South Salem, NY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
South Salem, NY
- Average cloud cover in January: 46
The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
South Salem, NY
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, July, August, September, October, November and December (6mi).
The months with the lowest visibility are May and June (5mi).
South Salem, New York, USA
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