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
During the coldest month, January, temperatures average a high of 36.1°F (2.3°C) and a low of 23.7°F (-4.6°C).Humidity
In Willow Grove, the average relative humidity in January is 81%.Rainfall
In January, the rain falls for 9.2 days. Throughout January, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 153.8 rainfall days, and 26.5" (673mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Willow Grove, in January, snow falls for 7.8 days, with typically accumulated 1.54" (39mm) of snow. Throughout the year, there are 26.1 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
In Willow Grove, the average length of the day in January is 9h and 49min.On the first day of January, sunrise is at 7:54 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:56 pm EST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Willow Grove. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Willow Grove have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Willow Grove, KY
- Average high temperature in January: 36.1°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in January: 23.7°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in January
Willow Grove, KY
- Average pressure in January: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Willow Grove, KY
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Willow Grove, KY
- Average humidity in January: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are September and October (75%).
Average rainfall in January
Willow Grove, KY
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in January
Willow Grove, KY
- Average rainfall days in January: 9.2 days
The month with the highest number of rainy days is May (18.1 days).
The months with the least rainy days are February and November (9.1 days).
Average snowfall in January
Willow Grove, KY
- Average snowfall in January: 1.54"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Willow Grove, KY
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Willow Grove, KY
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Willow Grove, KY
- Average sunshine days in January: 15.8 days
The months with the most sunshine days are October and November (19 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Willow Grove, KY
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Willow Grove, KY
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Willow Grove, KY
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Willow Grove, Kentucky, USA
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