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 is the coldest month, with an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.3°F (-7.6°C).Humidity
January and February, with an average relative humidity of 87%, are the most humid months.Rainfall
In January, the rain falls for 8.5 days. Throughout January, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 168.6 rainfall days, and 34.09" (866mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Rockwood. January is the month with the most snowfall. Snow falls for 15.3 days and accumulates 7.48" (190mm) of snow.Daylight
In January, the average length of the day is 9h and 43min.On the first day of January, sunrise is at 7:38 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:34 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 2.7h of sunshine.UV index
In Rockwood, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is January?
What are the most humid months?
What is the average humidity in January in Rockwood?
How much does it rain in Rockwood in January?
When does it snow the most?
How much does it snow in January?
What is the average length of the day in January in Rockwood?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
How high is the UV index in January?
Average temperature in January
Rockwood, PA
- Average high temperature in January: 30.7°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (30.7°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
Rockwood, 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
Rockwood, PA
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Rockwood, PA
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and July (79%).
Average rainfall in January
Rockwood, PA
- Average rainfall in January: 2.76"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in January
Rockwood, PA
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in January
Rockwood, PA
- Average snowfall in January: 7.48"
The month with the highest snowfall is January (7.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rockwood, 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
Rockwood, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
Rockwood, PA
- Average sunshine days in January: 9 days
The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in January
Rockwood, 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
Rockwood, PA
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in January
Rockwood, PA
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Rockwood, Pennsylvania, USA
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