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 month of January, characterized by an average high of 32°F (0°C) and a low of 18.9°F (-7.3°C), is recognized as the coldest.Humidity
In Rosas, Pennsylvania, the average relative humidity in January is 80%.Rainfall
January is the month with the least rainfall. Rain falls for 8.6 days and accumulates 1.02" (26mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Rosas. In January, it is snowing for 9.9 days. Throughout January, 2.72" (69mm) of snow is accumulated. Throughout the year, in Rosas, there are 36.1 snowfall days, and 9.8" (249mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 35min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in January in Rosas, Pennsylvania, is 4.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rosas. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Rosas?
How cold is it in Rosas in January?
What is the average humidity in January in Rosas?
What is the driest month in Rosas?
How much does it rain in Rosas in January?
How many days does it snow in January in Rosas?
How many hours of daylight does Rosas have in January?
When are sunrise and sunset in January in Rosas?
How many hours of sunshine does Rosas have in January?
What is the month with the lowest UV index in Rosas?
What is the UV index intensity in January in Rosas?
Average temperature in January
Rosas, PA
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Rosas, PA
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Rosas, PA
- Average wind speed in January: 7.5mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Rosas, PA
- Average humidity in January: 80%
The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in January
Rosas, PA
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in January
Rosas, PA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is May (16.7 days).
The months with the least rainy days are January and February (8.6 days).
Average snowfall in January
Rosas, PA
- Average snowfall in January: 2.72"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rosas, PA
- Average snowfall days in January: 9.9 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rosas, 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 12min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Rosas, PA
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is October (17.4 days).
The months with the least sunshine days are April and May (11.8 days).
Average UV index in January
Rosas, PA
- Average UV index in January: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Rosas, PA
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in January
Rosas, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Rosas, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location