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 Castanea, the lowest average temperatures are observed in January, with a high of 30.9°F (-0.6°C) and a low of 18.3°F (-7.6°C).Humidity
In Castanea, the average relative humidity in January is 82%.Rainfall
In Castanea, during January, the rain falls for 11 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 174.7 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Castanea, during January, snow falls for 15.4 days and regularly aggregates up to 6.69" (170mm) of snow. Throughout the year, there are 56.1 snowfall days, and 24.84" (631mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 37min.On the first day of the month, sunrise is at 7:34 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:24 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.3h of sunshine.UV index
In Castanea, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during January leads to these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Castanea?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January in Castanea?
What is the month with the least sunshine in Castanea?
How many hours of sunshine does Castanea have in January?
What is the UV index intensity in January in Castanea?
Average temperature in January
Castanea, PA
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Castanea, 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 (29.95"Hg).
Average wind speed in January
Castanea, PA
- Average wind speed in January: 7.5mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Castanea, PA
- Average humidity in January: 82%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).
Average rainfall in January
Castanea, PA
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in January
Castanea, PA
- Average rainfall days in January: 11 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in January
Castanea, PA
- Average snowfall in January: 6.69"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Castanea, PA
- Average snowfall days in January: 15.4 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Castanea, 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: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Castanea, PA
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in January
Castanea, PA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Castanea, PA
- Average cloud cover in January: 64
The months with the most cloud cover are January and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in January
Castanea, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are February, September and December (4mi).
Castanea, Pennsylvania, USA
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