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
Roseville witnesses the coldest weather in January, with temperatures averaging a high of 34.3°F (1.3°C) and a low of 21.9°F (-5.6°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 83%.Rainfall
In Roseville, Ohio, during January, the rain falls for 9.3 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Roseville, Ohio, during the entire year, the rain falls for 154.5 days and collects up to 24.29" (617mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Roseville, during January, snow falls for 11.7 days and regularly aggregates up to 3.11" (79mm) of snow. In Roseville, during the entire year, snow falls for 41.3 days and aggregates up to 12.13" (308mm) of snow.Daylight
The average length of the day in January in Roseville, Ohio, is 9h and 44min.On the first day of January, sunrise is at 7:49 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:46 pm EST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year in Roseville, Ohio.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Roseville?
How cold is it in Roseville in January?
What is the most humid month in Roseville?
What is the average humidity in January in Roseville?
How much does it rain in Roseville in January?
How much does it snow in Roseville in January?
How many hours of daylight does Roseville have in January?
What time are sunrise and sunset in January in Roseville?
What is the month with the least sunshine in Roseville?
How long on average sun shines in January in Roseville?
When is the lowest UV index in Roseville?
What is the UV index reading in January in Roseville?
Average temperature in January
Roseville, OH
- Average high temperature in January: 34.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in January: 21.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in January
Roseville, OH
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Roseville, OH
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in January
Roseville, OH
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Roseville, OH
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Roseville, OH
- Average rainfall days in January: 9.3 days
The months with the highest number of rainy days are May and July (17.4 days).
The months with the least rainy days are February and November (8.4 days).
Average snowfall in January
Roseville, OH
- Average snowfall in January: 3.11"
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Roseville, OH
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is January (11.7 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
Roseville, OH
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Roseville, OH
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in January
Roseville, OH
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Roseville, OH
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Roseville, OH
- Average visibility in January: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Roseville, Ohio, USA
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