January weather forecastLanark, PA
January
Weather in January
January, the same as December, is an icy winter month in Lanark, Pennsylvania, with an average temperature ranging between min 21.6°F (-5.8°C) and max 34°F (1.1°C).Temperature
January is the coldest month, exhibiting average temperatures of 34°F (1.1°C) at the peak and 21.6°F (-5.8°C) at the base.Humidity
In January, the average relative humidity in Lanark is 78%.Rainfall
In Lanark, in January, it is raining for 6.7 days, with typically 1.81" (46mm) of accumulated precipitation. In Lanark, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lanark. In Lanark, during January, snow falls for 5 days and regularly aggregates up to 3.15" (80mm) of snow. In Lanark, Pennsylvania, during the entire year, snow falls for 20.4 days and aggregates up to 13.82" (351mm) of snow.Daylight
In January, the average length of the day in Lanark is 9h and 40min.On the first day of January, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:17 pm EST.
Sunshine
In Lanark, the average sunshine in January is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 suggests this advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lanark, PA
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Lanark, 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
Lanark, PA
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Lanark, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in January
Lanark, PA
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in January
Lanark, PA
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in January
Lanark, PA
- Average snowfall in January: 3.15"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lanark, PA
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lanark, PA
- Average daylight in January: 9h and 42min
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: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Lanark, PA
- Average sunshine days in January: 20.5 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in January
Lanark, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Lanark, PA
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Lanark, PA
- Average visibility in January: 5mi
The months with the highest visibility are April, July and November (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September, October and December (5mi).
