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
Temperature records mark January as the coldest month, with highs averaging 31.1°F (-0.5°C) and lows at 18.5°F (-7.5°C).Humidity
The average relative humidity in January is 86%.Rainfall
In Gray, in January, it is raining for 8.2 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 164.4 rainfall days, and 30.08" (764mm) of precipitation is accumulated.Snowfall
Months with snowfall in Gray are January through May, October through December. January is the month with the most snowfall. Snow falls for 15.3 days and accumulates 6.46" (164mm) of snow.Daylight
In Gray, the average length of the day in January is 9h and 42min.On the first day of January, sunrise is at 7:38 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:33 pm EST.
Sunshine
The month with the least sunshine in Gray, Pennsylvania, is January, with an average of 2.9h of sunshine.UV index
In Gray, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the coldest time of year in Gray?
How cold is January in Gray?
What is the average humidity in January in Gray?
How much does it rain in Gray in January?
When does it snow the most in Gray?
How many days does it snow in January in Gray?
What is the average length of the day in January in Gray?
When is the sunrise / sunset in January in Gray?
What is the month with the least sunshine in Gray?
How long on average sun shines in January in Gray?
How high is the UV index in January in Gray?
Average temperature in January
Gray, PA
- Average high temperature in January: 31.1°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 (31.1°F).
- Average low temperature in January: 18.5°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 (18.5°F).
Average pressure in January
Gray, 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
Gray, PA
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Gray, PA
- Average humidity in January: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in January
Gray, PA
- Average rainfall in January: 2.24"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in January
Gray, PA
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Gray, PA
- Average snowfall in January: 6.46"
The month with the highest snowfall is January (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Gray, PA
- Average snowfall days in January: 15.3 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Gray, 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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Gray, PA
- Average sunshine days in January: 9.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in January
Gray, 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
Gray, PA
- Average cloud cover in January: 72
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in January
Gray, 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).
Gray, Pennsylvania, USA
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