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
In Erwinna, the lowest average temperatures are observed in January, with a high of 34.9°F (1.6°C) and a low of 22.5°F (-5.3°C).Humidity
In Erwinna, the average relative humidity in January is 77%.Rainfall
In Erwinna, during January, the rain falls for 4.3 days and regularly aggregates up to 0.43" (11mm) of precipitation. In Erwinna, during the entire year, the rain falls for 91.3 days and collects up to 7.28" (185mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Erwinna, during January, snow falls for 3.6 days and regularly aggregates up to 0.35" (9mm) of snow. In Erwinna, Pennsylvania, during the entire year, snow falls for 14.8 days and aggregates up to 2.24" (57mm) of snow.Daylight
In Erwinna, the average length of the day in January is 9h and 40min.On the first day of January in Erwinna, sunrise is at 7:23 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in January is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Erwinna have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index in Erwinna?
What is the UV index reading in January?
Average temperature in January
Erwinna, PA
- Average high temperature in January: 34.9°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 (34.9°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in January
Erwinna, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Erwinna, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Erwinna, PA
- Average humidity in January: 77%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in January
Erwinna, PA
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is July (0.91").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in January
Erwinna, PA
- Average rainfall days in January: 4.3 days
The months with the highest number of rainy days are June and July (10.2 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in January
Erwinna, PA
- Average snowfall in January: 0.35"
The month with the highest snowfall is March (0.63").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Erwinna, PA
- Average snowfall days in January: 3.6 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Erwinna, 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 18min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Erwinna, PA
- Average sunshine days in January: 23.8 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is June (16.7 days).
Average UV index in January
Erwinna, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (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
Erwinna, PA
- Average cloud cover in January: 47
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Erwinna, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).
Erwinna, Pennsylvania, USA
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