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 its high average temperature of 32.5°F (0.3°C) and a low of 20.3°F (-6.5°C), January is regarded as the coldest month.Humidity
The average relative humidity in January is 80%.Rainfall
In Slatedale, during January, the rain falls for 7.6 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 155.1 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The months with the most snowfall are January and March, with an average 4.41" (112mm) of accumulated snow.Daylight
In January, the average length of the day is 9h and 39min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:45 pm. On the last day of January, in Slatedale, sunrise is at 7:13 am and sunset at 5:18 pm EST.
Sunshine
The average sunshine in January is 4.5h.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during January translates into the following guidance:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
How many days does it snow in January in Slatedale?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the UV index reading in January in Slatedale?
Average temperature in January
Slatedale, PA
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (81.5°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 (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in January
Slatedale, 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
Slatedale, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Slatedale, PA
- Average humidity in January: 80%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in January
Slatedale, PA
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Slatedale, PA
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in January
Slatedale, PA
- Average snowfall in January: 4.41"
The months with the highest snowfall are January and March (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Slatedale, PA
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Slatedale, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in January
Slatedale, PA
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Slatedale, PA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Slatedale, PA
- Average cloud cover in January: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in January
Slatedale, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Slatedale, Pennsylvania, USA
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