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 is the coldest month, with an average high-temperature of 20.8°F (-6.2°C) and an average low-temperature of 7.9°F (-13.4°C).Humidity
In Greenville, the average relative humidity in January is 89%.Rainfall
In January, in Greenville, the rain falls for 4.8 days. Throughout January, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 147.1 rainfall days, and 34.65" (880mm) 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 19.3 days and typically aggregates up to 14.33" (364mm) of snow.Daylight
In January, the average length of the day is 9h and 11min.On the first day of the month, sunrise is at 7:18 am and sunset at 4:05 pm. On the last day of January, in Greenville, Maine, sunrise is at 7:00 am and sunset at 4:42 pm EST.
Sunshine
The average sunshine in January is 3.1h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Greenville. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 1 in January transforms into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
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 Greenville have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Greenville, ME
- Average high temperature in January: 20.8°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in January: 7.9°F
The month with the highest average low temperature is July (54.5°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in January
Greenville, ME
- Average pressure in January: 29.97"Hg
The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Greenville, ME
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Greenville, ME
- Average humidity in January: 89%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in January
Greenville, ME
- Average rainfall in January: 2.68"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is February (2.24").
Average rainfall days in January
Greenville, ME
- Average rainfall days in January: 4.8 days
The months with the highest number of rainy days are July and August (17.8 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in January
Greenville, ME
- Average snowfall in January: 14.33"
The month with the highest snowfall is January (14.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Greenville, ME
- Average snowfall days in January: 19.3 days
The month with the highest number of snowfall days is February (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
Greenville, ME
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in January
Greenville, ME
- Average sunshine days in January: 11.2 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in January
Greenville, ME
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in January
Greenville, ME
- Average cloud cover in January: 70
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 45).
Average visibility in January
Greenville, ME
- Average visibility in January: 4mi
The months with the highest visibility are May, July, October and November (5mi).
The months with the lowest visibility are January, February, March, April, June, August, September and December (4mi).
Greenville, Maine, USA
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