January weather forecastExeter, PA
January
Weather in January
January, like December, is another subzero cold winter month in Exeter, Pennsylvania, with an average temperature fluctuating between 18.7°F (-7.4°C) and 30.4°F (-0.9°C).Temperature
January, with its high-temperature average of 30.4°F (-0.9°C) and a low-temperature average of 18.7°F (-7.4°C), is the coldest month.Humidity
In Exeter, the average relative humidity in January is 82%.Rainfall
In Exeter, during January, the rain falls for 8.6 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 162.1 rainfall days, and 24.53" (623mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Exeter, during January, snow falls for 13.6 days and regularly aggregates up to 4.33" (110mm) of snow. Throughout the year, there are 49.4 snowfall days, and 19.92" (506mm) of snow is accumulated.Daylight
In January, the average length of the day in Exeter is 9h and 36min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:17 pm EST.
Sunshine
January and February, with an average of 3.7h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Exeter, PA
- Average high temperature in January: 30.4°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in January: 18.7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in January
Exeter, 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
Exeter, PA
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Exeter, PA
- Average humidity in January: 82%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in January
Exeter, PA
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in January
Exeter, PA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in January
Exeter, PA
- Average snowfall in January: 4.33"
The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Exeter, PA
- Average snowfall days in January: 13.6 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Exeter, PA
- Average daylight in January: 9h and 36min
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 18min).
- Average sunshine in January: 3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in January
Exeter, PA
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in January
Exeter, 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
Exeter, PA
- Average cloud cover in January: 61
The months with the most cloud cover are January, February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in January
Exeter, 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).
