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
The coldest period tends to be January, when average temperatures fluctuate between a high of 31.6°F (-0.2°C) and a low of 20.1°F (-6.6°C).Humidity
The most humid month is January, with an average relative humidity of 84%.Rainfall
In Saint Rosa, during January, the rain falls for 7 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 147.5 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Saint Rosa, during January, snow falls for 9.5 days and regularly aggregates up to 1.65" (42mm) of snow. Throughout the year, there are 30.8 snowfall days, and 6.81" (173mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 41min.On the first day of January, sunrise is at 8:01 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:54 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 3.5h of sunshine.UV index
In Saint Rosa, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the most humid month in Saint Rosa?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Saint Rosa have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Saint Rosa have in January?
What is the UV index reading in January?
Average temperature in January
Saint Rosa, OH
- Average high temperature in January: 31.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Saint Rosa, OH
- Average pressure in January: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Saint Rosa, OH
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in January
Saint Rosa, OH
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Saint Rosa, OH
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in January
Saint Rosa, OH
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in January
Saint Rosa, OH
- Average snowfall in January: 1.65"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Saint Rosa, OH
- Average snowfall days in January: 9.5 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Saint Rosa, OH
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Saint Rosa, OH
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in January
Saint Rosa, 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
Saint Rosa, OH
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Saint Rosa, OH
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Saint Rosa, Ohio, USA
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