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 brings the lowest temperatures, with an average high of 27.5°F (-2.5°C) and an average low of 16.2°F (-8.8°C).Humidity
The average relative humidity in January in Groton is 87%.Rainfall
The month with the least rainfall is January, when the rain falls for 5.4 days and typically collects 1.06" (27mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Groton, in January, snow falls for 14.3 days, with typically accumulated 3.03" (77mm) of snow. In Groton, during the entire year, snow falls for 68.6 days and aggregates up to 18.98" (482mm) of snow.Daylight
The average length of the day in January in Groton is 9h and 29min.On the first day of January, sunrise is at 7:35 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in January in Groton is 2.7h.UV index
The months with the lowest UV index in Groton are January, February 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: In January, a daily UV index of 1 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Groton?
How cold is it in Groton in January?
What is the average humidity in January in Groton?
What is the driest month in Groton?
How many days does it rain in January in Groton?
How much does it snow in Groton in January?
What is the average length of the day in January in Groton?
What time are sunrise and sunset in January in Groton?
How long on average sun shines in January in Groton?
When is the lowest UV index in Groton?
What is the UV index reading in January in Groton?
Average temperature in January
Groton, NY
- Average high temperature in January: 27.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Groton, NY
- Average pressure in January: 30.06"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
Groton, NY
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in January
Groton, NY
- Average humidity in January: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in January
Groton, NY
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in January
Groton, NY
- Average rainfall days in January: 5.4 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in January
Groton, NY
- Average snowfall in January: 3.03"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Groton, NY
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Groton, NY
- Average daylight in January: 9h and 3min
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 12min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in January
Groton, NY
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in January
Groton, 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, February and December (UV index 1).
Average cloud cover in January
Groton, NY
- Average cloud cover in January: 74
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in January
Groton, NY
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Groton, New York, USA
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