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 lowest temperatures are recorded in January, with averages reaching a high of 32.5°F (0.3°C) and a low of 20.1°F (-6.6°C).Humidity
January and February, with an average relative humidity of 85%, are the most humid months.Rainfall
The months with the least rainfall are January and November Rain falls for 4.5 days and accumulates 0.47" (12mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Sewickley Hills, in January, snow falls for 8.3 days, with typically accumulated 0.87" (22mm) of snow. Throughout the year, in Sewickley Hills, there are 33.9 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
In Sewickley Hills, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:44 am and sunset at 5:03 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, with an average of 2.9h of sunshine.UV index
In Sewickley Hills, Pennsylvania, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What month is the coldest in Sewickley Hills?
How cold is it in Sewickley Hills in January?
What is the most humid month in Sewickley Hills?
What is the average humidity in January in Sewickley Hills?
What is the driest month in Sewickley Hills?
How many days does it rain in January in Sewickley Hills?
How many days does it snow in January in Sewickley Hills?
How many hours of daylight does Sewickley Hills have in January?
What time are sunrise and sunset in January in Sewickley Hills?
What is the month with the least sunshine in Sewickley Hills?
How long on average sun shines in January in Sewickley Hills?
How high is the UV index in January in Sewickley Hills?
Average temperature in January
Sewickley Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, 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 Hills, Pennsylvania, USA
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