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
William Penn Manor's coldest temperatures are experienced in January, with average high temperatures of 34°F (1.1°C) and lows of 21.6°F (-5.8°C).Humidity
The average relative humidity in January in William Penn Manor is 78%.Rainfall
In William Penn Manor, in January, it is raining for 7.8 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, in William Penn Manor, there are 153 rainfall days, and 26.81" (681mm) of precipitation is accumulated.Snowfall
Months with snowfall in William Penn Manor, Pennsylvania, are January through May, October through December. In January, in William Penn Manor, it is snowing for 7.8 days. Throughout January, 3.23" (82mm) of snow is accumulated. Throughout the year, in William Penn Manor, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.Daylight
In William Penn Manor, the average length of the day in January is 9h and 40min.On the first day of January in William Penn Manor, sunrise is at 7:25 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:17 pm EST.
Sunshine
In William Penn Manor, Pennsylvania, the average sunshine in January is 4.7h.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in William Penn Manor?
How cold is January in William Penn Manor?
What is the average humidity in January in William Penn Manor?
How many days does it rain in January in William Penn Manor?
How much does it snow in William Penn Manor in January?
What is the average length of the day in January in William Penn Manor?
When are sunrise and sunset in January in William Penn Manor?
How many hours of sunshine does William Penn Manor have in January?
What is the month with the lowest UV index in William Penn Manor?
How high is the UV index in January in William Penn Manor?
Average temperature in January
William Penn Manor, PA
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
William Penn Manor, 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
William Penn Manor, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
William Penn Manor, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in January
William Penn Manor, PA
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
William Penn Manor, PA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
William Penn Manor, PA
- Average snowfall in January: 3.23"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
William Penn Manor, PA
- Average snowfall days in January: 7.8 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
William Penn Manor, 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 4min
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 30min).
Average sunshine days in January
William Penn Manor, PA
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
William Penn Manor, PA
- Average UV index in January: 2
The months with the highest UV index are May, 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
William Penn Manor, PA
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
William Penn Manor, PA
- Average visibility in January: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
William Penn Manor, Pennsylvania, USA
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