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
January is Leetsdale's coldest month, registering average high temperatures of 32.7°F (0.4°C) and lows of 20.1°F (-6.6°C).Humidity
January and February, with an average relative humidity of 85%, are the most humid months.Rainfall
The month with the least rainfall is January, when the rain falls for 9.1 days and typically collects 1.61" (41mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 17 days and typically aggregates up to 3.54" (90mm) of snow.Daylight
In January, the average length of the day is 9h and 40min.On the first day of the month, sunrise is at 7:44 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:36 pm EST.
Sunshine
With an average of 2.9h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 during January translates 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. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Leetsdale?
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
How high is the UV index in January?
Average temperature in January
Leetsdale, PA
- Average high temperature in January: 32.7°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Leetsdale, PA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Leetsdale, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in January
Leetsdale, PA
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in January
Leetsdale, PA
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in January
Leetsdale, PA
- Average rainfall days in January: 9.1 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in January
Leetsdale, PA
- Average snowfall in January: 3.54"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Leetsdale, PA
- Average snowfall days in January: 17 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Leetsdale, 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Leetsdale, PA
- Average sunshine days in January: 9.1 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in January
Leetsdale, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Leetsdale, PA
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Leetsdale, PA
- Average visibility in January: 4mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
Leetsdale, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location