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 period is January, when temperatures fluctuate between an average high of 36.7°F (2.6°C) and a low of 24.6°F (-4.1°C).Humidity
The months with the lowest humidity are January, March, April and November, with an average relative humidity of 76%.Rainfall
The month with the least rainfall is January, when the rain falls for 6 days and typically collects 0.91" (23mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Barnsley, in January, during 4.8 snowfall days, 1.5" (38mm) of snow is typically accumulated. In Barnsley, during the entire year, snow falls for 16.2 days and aggregates up to 5.35" (136mm) of snow.Daylight
In Barnsley, Pennsylvania, the average length of the day in January is 9h and 44min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:49 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:21 pm EST.
Sunshine
In January, the average sunshine is 4.9h.UV index
The months with the lowest UV index in Barnsley are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Barnsley?
How cold is January in Barnsley?
What is the least humid month in Barnsley?
What is the average humidity in January in Barnsley?
What is the driest month in Barnsley?
How many days does it rain in January in Barnsley?
How many days does it snow in January in Barnsley?
What is the average length of the day in January in Barnsley?
When is the sunrise / sunset in January in Barnsley?
How many hours of sunshine does Barnsley have in January?
What are the months with the lowest UV index in Barnsley?
What is the UV index intensity in January in Barnsley?
Average temperature in January
Barnsley, PA
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 24.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in January
Barnsley, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Barnsley, PA
- Average wind speed in January: 8.9mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Barnsley, PA
- Average humidity in January: 76%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).
Average rainfall in January
Barnsley, PA
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in January
Barnsley, PA
- Average rainfall days in January: 6 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6 days).
Average snowfall in January
Barnsley, PA
- Average snowfall in January: 1.5"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Barnsley, PA
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Barnsley, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Barnsley, PA
- Average sunshine days in January: 20.6 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in January
Barnsley, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Barnsley, PA
- Average cloud cover in January: 45
The months with the most cloud cover are February, March and May (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Barnsley, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, October, November and December (6mi).
The months with the lowest visibility are May, August and September (5mi).
Barnsley, Pennsylvania, USA
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