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, characterized by an average high temperature of 32.9°F (0.5°C) and a low temperature of 20.7°F (-6.3°C), is generally the coldest month.Humidity
In January, the average relative humidity is 84%.Rainfall
In Swissvale, during January, the rain falls for 10.8 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Swissvale, there are 182.2 rainfall days, and 34.84" (885mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Swissvale. The month with the most snowfall in Swissvale is January, when snow falls for 17.8 days and typically aggregates up to 6.42" (163mm) of snow.Daylight
In Swissvale, the average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 7:42 am and sunset at 5:03 pm. On the last day of January, in Swissvale, sunrise is at 7:29 am and sunset at 5:35 pm EST.
Sunshine
With an average of 2.9h of sunshine, January has the least sunshine of the year.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in January transforms into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. 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. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are the coldest months in Swissvale?
How cold is January in Swissvale?
What is the average humidity in January in Swissvale?
How much does it rain in Swissvale in January?
When does it snow the most in Swissvale?
How many days does it snow in January in Swissvale?
What is the average length of the day in January in Swissvale?
When is the sunrise / sunset in January in Swissvale?
What is the month with the least sunshine in Swissvale?
How many hours of sunshine does Swissvale have in January?
How high is the UV index in January in Swissvale?
Average temperature in January
Swissvale, PA
- Average high temperature in January: 32.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in January: 20.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in January
Swissvale, 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 (29.95"Hg).
Average wind speed in January
Swissvale, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Swissvale, PA
- Average humidity in January: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in January
Swissvale, PA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in January
Swissvale, PA
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in January
Swissvale, PA
- Average snowfall in January: 6.42"
The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Swissvale, PA
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Swissvale, 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 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Swissvale, PA
- Average sunshine days in January: 7.4 days
The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.4 days).
Average UV index in January
Swissvale, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Swissvale, 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
Swissvale, PA
- Average visibility in January: 4mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
Swissvale, Pennsylvania, USA
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