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 is the coldest month, exhibiting average temperatures of 31.8°F (-0.1°C) at the peak and 19.8°F (-6.8°C) at the base.Humidity
In January, the average relative humidity in Byrnsville is 80%.Rainfall
In Byrnsville, during January, the rain falls for 8.9 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Byrnsville, Pennsylvania, during the entire year, the rain falls for 159.6 days and collects up to 29.41" (747mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 12.8 days and accumulates 5.98" (152mm) of snow.Daylight
In January, the average length of the day in Byrnsville is 9h and 38min.On the first day of January, sunrise is at 7:29 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:20 pm EST.
Sunshine
In January, the average sunshine is 4.3h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January in Byrnsville?
How many days does it rain in January?
When does it snow the most in Byrnsville?
How much does it snow in Byrnsville in January?
How many hours of daylight does Byrnsville have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Byrnsville have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Byrnsville, PA
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Byrnsville, 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
Byrnsville, 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 (4.8mph).
Average humidity in January
Byrnsville, PA
- Average humidity in January: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Byrnsville, PA
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Byrnsville, PA
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in January
Byrnsville, PA
- Average snowfall in January: 5.98"
The month with the highest snowfall is January (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Byrnsville, PA
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Byrnsville, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Byrnsville, PA
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in January
Byrnsville, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (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
Byrnsville, PA
- Average cloud cover in January: 53
The months with the most cloud cover are February and December (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Byrnsville, 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).
Byrnsville, Pennsylvania, USA
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