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 month of January sees the lowest average temperatures, reaching 32°F (0°C) at the peak and 19.8°F (-6.8°C) at the low.Humidity
In January, the average relative humidity is 80%.Rainfall
January is the month with the least rainfall. Rain falls for 8.3 days and accumulates 2.05" (52mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Riverside, Pennsylvania, in January, snow falls for 9.9 days, with typically accumulated 4.45" (113mm) of snow. Throughout the year, there are 33.2 snowfall days, and 16.57" (421mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:31 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:21 pm EST.
Sunshine
In January, the average sunshine is 4.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Riverside have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January in Riverside?
Average temperature in January
Riverside, PA
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Riverside, PA
- Average pressure in January: 30.09"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
Riverside, PA
- Average wind speed in January: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Riverside, PA
- Average humidity in January: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Riverside, PA
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in January
Riverside, PA
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
Riverside, PA
- Average snowfall in January: 4.45"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Riverside, PA
- Average snowfall days in January: 9.9 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Riverside, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in January
Riverside, PA
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in January
Riverside, PA
- Average UV index in January: 2
The month with the highest UV index is June (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
Riverside, PA
- Average cloud cover in January: 56
The months with the most cloud cover are January, February and December (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Riverside, PA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Riverside, Pennsylvania, USA
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