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
January
Weather in January
Temperature
Lewiston records the coldest temperatures in January, averaging a high of 29.7°F (-1.3°C) and a low of 20.5°F (-6.4°C).Humidity
In Lewiston, the average relative humidity in January is 83%.Rainfall
In Lewiston, in January, it is raining for 9.5 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, in Lewiston, there are 169.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Lewiston, New York. In Lewiston, New York, in January, during 16.8 snowfall days, 4.76" (121mm) of snow is typically accumulated. In Lewiston, during the entire year, snow falls for 65.6 days and aggregates up to 22.6" (574mm) of snow.Daylight
The average length of the day in January is 9h and 25min.On the first day of January, sunrise is at 7:47 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:26 pm EST.
Sunshine
The month with the least sunshine in Lewiston, New York, is January, with an average of 2.7h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Lewiston. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, a daily UV index of 1 turns into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Lewiston?
How cold is it in Lewiston in January?
What is the average humidity in January in Lewiston?
How much does it rain in Lewiston in January?
How many days does it snow in January in Lewiston?
What is the average length of the day in January in Lewiston?
When are sunrise and sunset in January in Lewiston?
What is the month with the least sunshine in Lewiston?
How long on average sun shines in January in Lewiston?
When is the lowest UV index in Lewiston?
How high is the UV index in January in Lewiston?
Average temperature in January
Lewiston, NY
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 20.5°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in January
Lewiston, NY
- Average pressure in January: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Lewiston, NY
- Average wind speed in January: 12.3mph
The windiest month (with the highest average wind speed) is January (12.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in January
Lewiston, NY
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in January
Lewiston, NY
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Lewiston, NY
- Average rainfall days in January: 9.5 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in January
Lewiston, NY
- Average snowfall in January: 4.76"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lewiston, NY
- Average snowfall days in January: 16.8 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lewiston, NY
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
Lewiston, NY
- Average sunshine days in January: 6.8 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in January
Lewiston, NY
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Lewiston, NY
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Lewiston, NY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).