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
The coldest temperatures occur during January, when averages reach a peak of 30.2°F (-1°C) and a low of 18°F (-7.8°C).Humidity
The average relative humidity in January is 85%.Rainfall
The months with the least rainfall are January and November Rain falls for 5.9 days and accumulates 1.06" (27mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Glen Richey, Pennsylvania, during January, snow falls for 11.8 days and regularly aggregates up to 3.31" (84mm) of snow. In Glen Richey, during the entire year, snow falls for 46.2 days and aggregates up to 14.45" (367mm) of snow.Daylight
In Glen Richey, the average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:38 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:29 pm EST.
Sunshine
With an average of 2.6h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Glen Richey have in January?
What is the UV index intensity in January?
Average temperature in January
Glen Richey, PA
- Average high temperature in January: 30.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Glen Richey, PA
- Average pressure in January: 30.1"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
Glen Richey, PA
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Glen Richey, PA
- Average humidity in January: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in January
Glen Richey, PA
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.06").
Average rainfall days in January
Glen Richey, PA
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in January
Glen Richey, PA
- Average snowfall in January: 3.31"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Glen Richey, PA
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Glen Richey, 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: 2h and 4min
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: 2h and 36min).
Average sunshine days in January
Glen Richey, PA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in January
Glen Richey, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Glen Richey, PA
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in January
Glen Richey, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Glen Richey, Pennsylvania, USA
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