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
January stands out as Castle Rocks's coldest month, with an average high-temperature of 30.7°F (-0.7°C) and a low-temperature of 18.7°F (-7.4°C).Humidity
The average relative humidity in January is 82%.Rainfall
In Castle Rocks, in January, during 10.8 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, in Castle Rocks, there are 181 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Castle Rocks, in January, during 15.4 snowfall days, 6.85" (174mm) of snow is typically accumulated. Throughout the year, in Castle Rocks, Pennsylvania, there are 55.8 snowfall days, and 25.63" (651mm) of snow is accumulated.Daylight
In Castle Rocks, 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 4:50 pm. On the last day of January, sunrise is at 7:20 am and sunset at 5:23 pm EST.
Sunshine
The month with the least sunshine in Castle Rocks is January, with an average of 3.6h of sunshine.UV index
In Castle Rocks, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What part of the year is the coldest in Castle Rocks?
How cold is January in Castle Rocks?
What is the average humidity in January in Castle Rocks?
How many days does it rain in January in Castle Rocks?
How many days does it snow in January in Castle Rocks?
How many hours of daylight does Castle Rocks have in January?
What time are sunrise and sunset in January in Castle Rocks?
What is the month with the least sunshine in Castle Rocks?
How many hours of sunshine does Castle Rocks have in January?
What is the UV index intensity in January in Castle Rocks?
Average temperature in January
Castle Rocks, PA
- Average high temperature in January: 30.7°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 (30.7°F).
- Average low temperature in January: 18.7°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 (18.7°F).
Average pressure in January
Castle Rocks, 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
Castle Rocks, 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
Castle Rocks, 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 and July (77%).
Average rainfall in January
Castle Rocks, PA
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in January
Castle Rocks, PA
- Average rainfall days in January: 10.8 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in January
Castle Rocks, PA
- Average snowfall in January: 6.85"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Castle Rocks, 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
Castle Rocks, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Castle Rocks, PA
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in January
Castle Rocks, 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
Castle Rocks, PA
- Average cloud cover in January: 61
The months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in January
Castle Rocks, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Castle Rocks, Pennsylvania, USA
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