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 high and low temperatures of 33.8°F (1°C) and 21.6°F (-5.8°C) respectively, January is Dewey Heights's coldest month.Humidity
In Dewey Heights, the average relative humidity in January is 78%.Rainfall
In Dewey Heights, in January, it is raining for 9.9 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, there are 162.5 rainfall days, and 31.69" (805mm) of precipitation is accumulated.Snowfall
Months with snowfall in Dewey Heights, Pennsylvania, are January through May, October through December. In January, in Dewey Heights, it is snowing for 9.2 days. Throughout January, 3.94" (100mm) of snow is accumulated. Throughout the year, in Dewey Heights, Pennsylvania, there are 32.3 snowfall days, and 17.24" (438mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 39min.On the first day of January in Dewey Heights, Pennsylvania, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:17 pm EST.
Sunshine
In Dewey Heights, Pennsylvania, the average sunshine in January is 4.7h.UV index
The months with the lowest UV index in Dewey Heights are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What are the coldest months in Dewey Heights?
How cold is it in Dewey Heights in January?
What is the average humidity in January in Dewey Heights?
How much does it rain in Dewey Heights in January?
How much does it snow in Dewey Heights in January?
How many hours of daylight does Dewey Heights have in January?
When is the sunrise / sunset in January in Dewey Heights?
How many hours of sunshine does Dewey Heights have in January?
What is the month with the lowest UV index in Dewey Heights?
What is the UV index reading in January in Dewey Heights?
Average temperature in January
Dewey Heights, PA
- Average high temperature in January: 33.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in January: 21.6°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 (21.6°F).
Average pressure in January
Dewey Heights, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Dewey Heights, PA
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Dewey Heights, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in January
Dewey Heights, PA
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Dewey Heights, PA
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in January
Dewey Heights, PA
- Average snowfall in January: 3.94"
The month with the highest snowfall is March (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dewey Heights, PA
- Average snowfall days in January: 9.2 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dewey Heights, PA
- 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: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Dewey Heights, PA
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in January
Dewey Heights, PA
- 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, March, November and December (UV index 2).
Average cloud cover in January
Dewey Heights, PA
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Dewey Heights, PA
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Dewey Heights, Pennsylvania, USA
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