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 Windsor Castle, January records the lowest average temperatures, peaking at 33.6°F (0.9°C) and reaching a low of 21.6°F (-5.8°C).Humidity
In January, the average relative humidity is 79%.Rainfall
In Windsor Castle, Pennsylvania, during January, the rain falls for 7.7 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 148.7 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Windsor Castle, Pennsylvania, in January, during 8.3 snowfall days, 3.74" (95mm) of snow is typically accumulated. Throughout the year, there are 26.2 snowfall days, and 13.58" (345mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 40min.On the first day of January, sunrise is at 7:27 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:19 pm EST.
Sunshine
In January, the average sunshine is 4.6h.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 unsafe exposure to UV radiation for average individuals.Note: In January, the UV index of 2 transforms into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in Windsor Castle in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
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
Windsor Castle, PA
- Average high temperature in January: 33.6°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Windsor Castle, 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
Windsor Castle, 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
Windsor Castle, PA
- Average humidity in January: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Windsor Castle, PA
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in January
Windsor Castle, PA
- Average rainfall days in January: 7.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in January
Windsor Castle, PA
- Average snowfall in January: 3.74"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Windsor Castle, PA
- Average snowfall days in January: 8.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Windsor Castle, 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 24min).
Average sunshine days in January
Windsor Castle, PA
- Average sunshine days in January: 17.3 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Windsor Castle, 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
Windsor Castle, PA
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Windsor Castle, 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).
Windsor Castle, Pennsylvania, USA
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