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 is January, when temperatures fluctuate between an average high of 35.2°F (1.8°C) and a low of 23.2°F (-4.9°C).Humidity
January, February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In January, the rain falls for 5.8 days. Throughout January, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 95.1 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 6.2 days and accumulates 0.59" (15mm) of snow.Daylight
In January, the average length of the day is 9h and 47min.On the first day of the month, sunrise is at 7:56 am and sunset at 5:24 pm. On the last day of January, sunrise is at 7:45 am and sunset at 5:56 pm EST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year in Blue Ash.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the most humid month?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
How many hours of daylight does Blue Ash have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Blue Ash, OH
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 23.2°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in January
Blue Ash, 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 (29.94"Hg).
Average wind speed in January
Blue Ash, OH
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Blue Ash, OH
- Average humidity in January: 81%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Blue Ash, OH
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in January
Blue Ash, OH
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in January
Blue Ash, OH
- Average snowfall in January: 0.59"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Blue Ash, OH
- Average snowfall days in January: 6.2 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Blue Ash, OH
- Average daylight in January: 9h and 5min
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 30min).
- Average sunshine in January: 3h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Blue Ash, OH
- Average sunshine days in January: 21.9 days
The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is June (16 days).
Average UV index in January
Blue Ash, OH
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Blue Ash, OH
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Blue Ash, OH
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Blue Ash, Ohio, USA
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