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
In Willow Lake, January records the lowest average temperatures, peaking at 33.4°F (0.8°C) and reaching a low of 20.7°F (-6.3°C).Humidity
The average relative humidity in January is 79%.Rainfall
In Willow Lake, during January, the rain falls for 7 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Willow Lake, during the entire year, the rain falls for 145.2 days and collects up to 21.1" (536mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 7.4 days and accumulates 2.36" (60mm) of snow.Daylight
In Willow Lake, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:20 pm EST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 4.5h of sunshine.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Willow Lake have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January in Willow Lake?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Willow Lake, PA
- Average high temperature in January: 33.4°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 (33.4°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
Willow Lake, 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
Willow Lake, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Willow Lake, PA
- Average humidity in January: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in January
Willow Lake, PA
- Average rainfall in January: 1.46"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in January
Willow Lake, PA
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in January
Willow Lake, PA
- Average snowfall in January: 2.36"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Willow Lake, PA
- Average snowfall days in January: 7.4 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Willow Lake, 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 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in January
Willow Lake, PA
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in January
Willow Lake, PA
- Average UV index in January: 2
The month with the highest UV index is 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
Willow Lake, PA
- Average cloud cover in January: 50
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Willow Lake, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, July and November (6mi).
The months with the lowest visibility are February, May, August, September, October and December (5mi).
Willow Lake, Pennsylvania, USA
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