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
With average temperatures fluctuating between a high of 32.5°F (0.3°C) and a low of 20.3°F (-6.5°C), January stands out as the coldest month.Humidity
With an average relative humidity of 84%, January is the most humid month in Johnstown.Rainfall
In Johnstown, during January, the rain falls for 10.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Johnstown, Ohio, during the entire year, the rain falls for 176.7 days and collects up to 33.7" (856mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 13.9 days and typically aggregates up to 4.02" (102mm) of snow.Daylight
In January, the average length of the day is 9h and 42min.On the first day of the month, sunrise is at 7:52 am and sunset at 5:15 pm. On the last day of January, in Johnstown, sunrise is at 7:40 am and sunset at 5:47 pm EST.
Sunshine
January has the least sunshine of the year in Johnstown, with an average of 3.5h of sunshine.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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Johnstown?
How cold is it in Johnstown in January?
What is the most humid month in Johnstown?
What is the average humidity in January in Johnstown?
How many days does it rain in January in Johnstown?
When does it snow the most in Johnstown?
How much does it snow in Johnstown in January?
How many hours of daylight does Johnstown have in January?
What time are sunrise and sunset in January in Johnstown?
What is the month with the least sunshine in Johnstown?
How long on average sun shines in January in Johnstown?
What are the months with the lowest UV index in Johnstown?
How high is the UV index in January in Johnstown?
Average temperature in January
Johnstown, OH
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 20.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Johnstown, OH
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Johnstown, OH
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in January
Johnstown, OH
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in January
Johnstown, OH
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in January
Johnstown, OH
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in January
Johnstown, OH
- Average snowfall in January: 4.02"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Johnstown, OH
- Average snowfall days in January: 13.9 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Johnstown, 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 24min).
- Average sunshine in January: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Johnstown, OH
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (8.2 days).
Average UV index in January
Johnstown, OH
- Average UV index in January: 2
The month with the highest UV index is 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
Johnstown, 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 30).
Average visibility in January
Johnstown, OH
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Johnstown, Ohio, USA
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