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
Casselman reaches its lowest average temperatures in January, measuring 31.5°F (-0.3°C) at the peak and 18.9°F (-7.3°C) at the lowest.Humidity
The average relative humidity in January in Casselman, Pennsylvania, is 85%.Rainfall
In Casselman, during January, the rain falls for 9.4 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, in Casselman, Pennsylvania, there are 183.2 rainfall days, and 35.94" (913mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Casselman is January, when snow falls for 17.2 days and typically aggregates up to 7.44" (189mm) of snow.Daylight
In Casselman, the average length of the day in January is 9h and 44min.On the first day of the month, sunrise is at 7:38 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:34 pm EST.
Sunshine
The month with the least sunshine in Casselman is January, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index in Casselman, Pennsylvania, are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in Casselman?
How cold is it in Casselman in January?
What is the average humidity in January in Casselman?
How much does it rain in Casselman in January?
When does it snow the most in Casselman?
How many days does it snow in January in Casselman?
What is the average length of the day in January in Casselman?
When are sunrise and sunset in January in Casselman?
What is the month with the least sunshine in Casselman?
How many hours of sunshine does Casselman have in January?
What is the month with the lowest UV index in Casselman?
What is the UV index reading in January in Casselman?
Average temperature in January
Casselman, PA
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 18.9°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 (18.9°F).
Average pressure in January
Casselman, PA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Casselman, PA
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Casselman, PA
- Average humidity in January: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in January
Casselman, PA
- Average rainfall in January: 2.72"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in January
Casselman, PA
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in January
Casselman, PA
- Average snowfall in January: 7.44"
The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Casselman, PA
- Average snowfall days in January: 17.2 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Casselman, 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 24min).
- Average sunshine in January: 3h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Casselman, PA
- Average sunshine days in January: 7.2 days
The months with the most sunshine days are October and November (12.5 days).
The month with the least sunshine days is May (6.2 days).
Average UV index in January
Casselman, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Casselman, PA
- Average cloud cover in January: 69
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in January
Casselman, PA
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
Casselman, Pennsylvania, USA
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