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
January proves to be the coldest month, recording an average maximum temperature of 32.5°F (0.3°C) and a minimum temperature of 20.1°F (-6.6°C).Humidity
January and February, with an average relative humidity of 85%, are the most humid months in Sewickley Heights, Pennsylvania.Rainfall
The months with the least rainfall in Sewickley Heights, Pennsylvania, are January and November Rain falls for 4.5 days and accumulates 0.47" (12mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Sewickley Heights, in January, during 8.3 snowfall days, 0.87" (22mm) of snow is typically accumulated. In Sewickley Heights, during the entire year, snow falls for 33.9 days and aggregates up to 4.37" (111mm) of snow.Daylight
The average length of the day in January in Sewickley Heights is 9h and 40min.On the first day of the month, sunrise is at 7:44 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:36 pm EST.
Sunshine
January has the least sunshine of the year in Sewickley Heights, Pennsylvania, with an average of 2.9h of sunshine.UV index
The average daily maximum UV index in January in Sewickley Heights is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What time of the year is the coldest in Sewickley Heights?
How cold is it in Sewickley Heights in January?
What are the most humid months in Sewickley Heights?
What is the average humidity in January in Sewickley Heights?
What is the driest month in Sewickley Heights?
How many days does it rain in January in Sewickley Heights?
How much does it snow in Sewickley Heights in January?
How many hours of daylight does Sewickley Heights have in January?
What time are sunrise and sunset in January in Sewickley Heights?
What is the month with the least sunshine in Sewickley Heights?
How many hours of sunshine does Sewickley Heights have in January?
What is the UV index reading in January in Sewickley Heights?
Average temperature in January
Sewickley Heights, PA
- Average high temperature in January: 32.5°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 (32.5°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Sewickley Heights, PA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Sewickley Heights, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in January
Sewickley Heights, PA
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in January
Sewickley Heights, PA
- Average rainfall in January: 0.47"
The wettest months (with the highest rainfall) are June and July (0.91").
The driest months (with the least rainfall) are January and November (0.47").
Average rainfall days in January
Sewickley Heights, PA
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in January
Sewickley Heights, PA
- Average snowfall in January: 0.87"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Sewickley Heights, PA
- Average snowfall days in January: 8.3 days
The month with the highest number of snowfall days is February (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
Sewickley 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Sewickley Heights, PA
- Average sunshine days in January: 21.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in January
Sewickley Heights, PA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Sewickley Heights, PA
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Sewickley Heights, PA
- Average visibility in January: 5mi
The months with the highest visibility are April, June, August and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September, October and December (5mi).
Sewickley Heights, Pennsylvania, USA
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