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
With average temperatures fluctuating between a high of 31.3°F (-0.4°C) and a low of 18.1°F (-7.7°C), January stands out as the coldest month.Humidity
In January, the average relative humidity is 82%.Rainfall
In Mackeyville, in January, during 7.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 164.5 rainfall days, and 33.11" (841mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Mackeyville, in January, snow falls for 13.2 days, with typically accumulated 6.5" (165mm) of snow. In Mackeyville, during the entire year, snow falls for 49.1 days and aggregates up to 25.55" (649mm) of snow.Daylight
The average length of the day in January is 9h and 37min.On the first day of the month, sunrise is at 7:34 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:24 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.1h of sunshine.UV index
In Mackeyville, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January in Mackeyville?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Mackeyville have in January?
How high is the UV index in January?
Average temperature in January
Mackeyville, PA
- Average high temperature in January: 31.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in January: 18.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in January
Mackeyville, 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 (29.95"Hg).
Average wind speed in January
Mackeyville, PA
- Average wind speed in January: 7.5mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Mackeyville, PA
- Average humidity in January: 82%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in January
Mackeyville, PA
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in January
Mackeyville, PA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Mackeyville, PA
- Average snowfall in January: 6.5"
The month with the highest snowfall is February (7.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mackeyville, PA
- Average snowfall days in January: 13.2 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mackeyville, 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 18min).
- Average sunshine in January: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in January
Mackeyville, PA
- Average sunshine days in January: 13.1 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in January
Mackeyville, 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
Mackeyville, PA
- Average cloud cover in January: 66
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in January
Mackeyville, 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).
Mackeyville, Pennsylvania, USA
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