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 month is January, with an average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 17.1°F (-8.3°C).Humidity
The average relative humidity in January is 84%.Rainfall
In January, the rain falls for 9.7 days. Throughout January, 2.13" (54mm) of precipitation is accumulated. In Heise Run, during the entire year, the rain falls for 175.2 days and collects up to 30.39" (772mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Heise Run, during January, snow falls for 18.7 days and regularly aggregates up to 7.48" (190mm) of snow. Throughout the year, in Heise Run, there are 80.1 snowfall days, and 36.85" (936mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 34min.On the first day of the month, sunrise is at 7:36 am and sunset at 4:49 pm. On the last day of January, in Heise Run, sunrise is at 7:22 am and sunset at 5:22 pm EST.
Sunshine
In January, the average sunshine in Heise Run is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In January, a daily UV index of 1 turns into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Boost your sun resistance with garments that are densely woven yet spacious. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the coldest months in Heise Run?
How cold is it in Heise Run in January?
What is the average humidity in January in Heise Run?
How many days does it rain in January in Heise Run?
How much does it snow in Heise Run in January?
What is the average length of the day in January in Heise Run?
When are sunrise and sunset in January in Heise Run?
How many hours of sunshine does Heise Run have in January?
When is the lowest UV index in Heise Run?
What is the UV index reading in January in Heise Run?
Average temperature in January
Heise Run, PA
- Average high temperature in January: 28.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
Heise Run, 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
Heise Run, PA
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Heise Run, PA
- Average humidity in January: 84%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is June (78%).
Average rainfall in January
Heise Run, PA
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in January
Heise Run, PA
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in January
Heise Run, PA
- Average snowfall in January: 7.48"
The month with the highest snowfall is February (9.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Heise Run, PA
- Average snowfall days in January: 18.7 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Heise Run, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in January
Heise Run, PA
- Average sunshine days in January: 8.1 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in January
Heise Run, PA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Heise Run, PA
- Average cloud cover in January: 68
The month with the most cloud cover is December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in January
Heise Run, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Heise Run, Pennsylvania, USA
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