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 28.8°F (-1.8°C) and an average low-temperature of 17.1°F (-8.3°C).Humidity
The average relative humidity in January in Hartsfield, Pennsylvania, is 84%.Rainfall
The month with the least rainfall in Hartsfield, Pennsylvania, is January, when the rain falls for 8.6 days and typically collects 1.22" (31mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hartsfield, Pennsylvania, in January, during 17.8 snowfall days, 3.86" (98mm) of snow is typically accumulated. In Hartsfield, during the entire year, snow falls for 71.4 days and aggregates up to 16.54" (420mm) of snow.Daylight
In Hartsfield, the average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:35 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:22 pm EST.
Sunshine
In January, the average sunshine in Hartsfield is 3.2h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 1 in January translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are the coldest months in Hartsfield?
How cold is January in Hartsfield?
What is the average humidity in January in Hartsfield?
What is the driest month in Hartsfield?
How many days does it rain in January in Hartsfield?
How much does it snow in Hartsfield in January?
How many hours of daylight does Hartsfield have in January?
When are sunrise and sunset in January in Hartsfield?
How many hours of sunshine does Hartsfield have in January?
What is the month with the lowest UV index in Hartsfield?
How high is the UV index in January in Hartsfield?
Average temperature in January
Hartsfield, PA
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
Hartsfield, 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
Hartsfield, PA
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Hartsfield, PA
- Average humidity in January: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in January
Hartsfield, PA
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in January
Hartsfield, PA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in January
Hartsfield, PA
- Average snowfall in January: 3.86"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hartsfield, PA
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hartsfield, 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: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in January
Hartsfield, PA
- Average sunshine days in January: 9 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in January
Hartsfield, 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
Hartsfield, PA
- Average cloud cover in January: 68
The months with the most cloud cover are January and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in January
Hartsfield, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Hartsfield, Pennsylvania, USA
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