January weather forecastGrafton, OH
January
Weather in January
January, the same as December, in Grafton, Ohio, is another subzero cold winter month, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 21.2°F (-6°C).Temperature
January stands out as Grafton's coldest month, with temperatures ranging between an average high of 31.5°F (-0.3°C) and a low of 21.2°F (-6°C).Humidity
In Grafton, the average relative humidity in January is 84%.Rainfall
In Grafton, during January, the rain falls for 8.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Grafton, Ohio, during the entire year, the rain falls for 163.6 days and collects up to 29.88" (759mm) of precipitation.Snowfall
Months with snowfall in Grafton are January through May, October through December. In January, it is snowing for 15.3 days. Throughout January, 4.17" (106mm) of snow is accumulated. Throughout the year, there are 53.7 snowfall days, and 14.37" (365mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 36min.On the first day of January, sunrise is at 7:53 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:42 pm EST.
Sunshine
With an average of 2.9h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.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. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Grafton, OH
- Average high temperature in January: 31.5°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 (31.5°F).
- Average low temperature in January: 21.2°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in January
Grafton, OH
- Average pressure in January: 30.1"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
Grafton, OH
- Average wind speed in January: 11.2mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in January
Grafton, OH
- Average humidity in January: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Grafton, OH
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are February and December (1.81").
Average rainfall days in January
Grafton, OH
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in January
Grafton, OH
- Average snowfall in January: 4.17"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Grafton, OH
- Average snowfall days in January: 15.3 days
The month with the highest number of snowfall days is January (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
Grafton, OH
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Grafton, OH
- Average sunshine days in January: 9 days
The month with the most sunshine days is October (13.6 days).
The months with the least sunshine days are January and February (9 days).
Average UV index in January
Grafton, OH
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Grafton, OH
- Average cloud cover in January: 71
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in January
Grafton, OH
- 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).





