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
Mentor's January weather, marked by an average high temperature of 31.1°F (-0.5°C) and an average low temperature of 21.9°F (-5.6°C), is the coldest in the year.Humidity
January and February, with an average relative humidity of 85%, are the most humid months.Rainfall
In Mentor, during January, the rain falls for 9 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 178.9 rainfall days, and 32.2" (818mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Mentor, during January, snow falls for 17.4 days and regularly aggregates up to 5.04" (128mm) of snow. In Mentor, Ohio, during the entire year, snow falls for 64.4 days and aggregates up to 19.92" (506mm) of snow.Daylight
In January, the average length of the day is 9h and 34min.On the first day of January, sunrise is at 7:52 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:39 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 2.6h of sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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 much does it rain in January?
How much does it snow in January?
How many hours of daylight does Mentor have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Mentor have in January?
What is the UV index reading in January?
Average temperature in January
Mentor, OH
- Average high temperature in January: 31.1°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Mentor, OH
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Mentor, OH
- Average wind speed in January: 11.7mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in January
Mentor, OH
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in January
Mentor, OH
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in January
Mentor, OH
- Average rainfall days in January: 9 days
The month with the highest number of rainy days is October (18 days).
The month with the least rainy days is January (9 days).
Average snowfall in January
Mentor, OH
- Average snowfall in January: 5.04"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Mentor, OH
- Average snowfall days in January: 17.4 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Mentor, OH
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in January
Mentor, OH
- Average sunshine days in January: 6.8 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in January
Mentor, OH
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Mentor, OH
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in January
Mentor, OH
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Mentor, Ohio, USA
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