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
The coldest time of the year is January, with temperatures averaging a high of 23.4°F (-4.8°C) and a low of 10.8°F (-11.8°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 90%.Rainfall
In Norfolk, in January, during 6.2 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 156 rainfall days, and 29.72" (755mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 16.6 days and typically aggregates up to 8.39" (213mm) of snow.Daylight
In January, the average length of the day is 9h and 16min.On the first day of January in Norfolk, sunrise is at 7:37 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:06 pm EST.
Sunshine
The months with the least sunshine are January and February, with an average of 2.6h of 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 reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 1 during January leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Norfolk have in January?
When is the sunrise / sunset in January?
What are the months with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Norfolk, NY
- Average high temperature in January: 23.4°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Norfolk, 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
Norfolk, NY
- Average wind speed in January: 8.3mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Norfolk, NY
- Average humidity in January: 90%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Norfolk, NY
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is August (3.03").
The driest months (with the least rainfall) are March and September (2.01").
Average rainfall days in January
Norfolk, NY
- Average rainfall days in January: 6.2 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6 days).
Average snowfall in January
Norfolk, NY
- Average snowfall in January: 8.39"
The month with the highest snowfall is January (8.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Norfolk, NY
- Average snowfall days in January: 16.6 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Norfolk, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in January
Norfolk, NY
- Average sunshine days in January: 12.1 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in January
Norfolk, 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 and December (UV index 1).
Average cloud cover in January
Norfolk, NY
- Average cloud cover in January: 75
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in January
Norfolk, NY
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Norfolk, New York, USA
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