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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
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). 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. Weather in January »
Weather in February
February, the last month of the winter in Lanark, is another cold month, with an average temperature fluctuating between 37.8°F (3.2°C) and 23.4°F (-4.8°C). The average high-temperature for February is a still cold 37.8°F (3.2°C), closely aligning with the temperature of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Lanark, is a frosty month, with an average temperature varying between 45.9°F (7.7°C) and 30°F (-1.1°C). With the transition into March, Lanark experiences a subtle uplift in average high-temperatures, adjusting from a cold 37.8°F (3.2°C) in February to a frosty 45.9°F (7.7°C). Weather in March »
Weather in April
April in Lanark, Pennsylvania, is a moderate spring month, with an average temperature ranging between max 58.3°F (14.6°C) and min 40.5°F (4.7°C). April brings a rise in the average high-temperature, transitioning from March's chilly 45.9°F (7.7°C) to a mild 58.3°F (14.6°C). Weather in April »
Weather in May
May, the last month of the spring in Lanark, is an agreeable month, with an average temperature ranging between min 50.5°F (10.3°C) and max 69.4°F (20.8°C). The shift from April to May is marked by an increase in the average high-temperature, moving from a refreshing 58.3°F (14.6°C) to an agreeable 69.4°F (20.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Lanark, Pennsylvania, with an average temperature varying between 58.1°F (14.5°C) and 77.5°F (25.3°C). With the onset of June, Lanark's average high-temperature sees a modest rise, moving from May's pleasant 69.4°F (20.8°C) to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Lanark, Pennsylvania, with an average temperature fluctuating between 63.5°F (17.5°C) and 83.8°F (28.8°C). In Lanark, Pennsylvania, the month of July registers the highest temperatures, averaging 83.8°F (28.8°C) at the peak and 63.5°F (17.5°C) at the lowest. The heat index value for July is estimated at a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Lanark, is another warm month, with an average temperature varying between 61.7°F (16.5°C) and 81°F (27.2°C). As Lanark, Pennsylvania, welcomes August, the average high-temperature stabilizes at a still moderately hot 81°F (27.2°C), showing little deviation from July's 83.8°F (28.8°C). Weather in August »
Weather in September
September, the first month of the autumn in Lanark, is still a warm month, with an average temperature fluctuating between 55°F (12.8°C) and 74.3°F (23.5°C). September sees a slight reduction in average high-temperature, with a shift from a moderately hot 81°F (27.2°C) in August to a still warm 74.3°F (23.5°C). Weather in September »
Weather in October
October, like September, in Lanark, Pennsylvania, is another refreshing autumn month, with an average temperature ranging between min 46.2°F (7.9°C) and max 62.1°F (16.7°C). Onset of October comes with a temperature decline, the average high falling from a warm 74.3°F (23.5°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Lanark, Pennsylvania, with an average temperature varying between 35.4°F (1.9°C) and 49.8°F (9.9°C). Transition into November marks a drop in the average high-temperature, moving from a comfortable 62.1°F (16.7°C) in October to a frosty 49.8°F (9.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Lanark, Pennsylvania, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 28.9°F (-1.7°C). In December, the average high-temperature decreases from a chilly 49.8°F (9.9°C) in November to a wintry 40.1°F (4.5°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Lanark?
Lanark witnesses the coldest weather in January, with temperatures averaging a high of 34°F (1.1°C) and a low of 21.6°F (-5.8°C).
How much does it rain in Lanark?
In Lanark, during the entire year, the rain falls for 145.1 days and collects up to 27.24" (692mm) of precipitation.
When does it snow in Lanark?
January through May, October through December are months with snowfall in Lanark, Pennsylvania.
How much does it snow in Lanark?
In Lanark, Pennsylvania, during the entire year, snow falls for 20.4 days and aggregates up to 13.82" (351mm) of snow.
What is the month with the lowest UV index in Lanark?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month in Lanark?
With an average relative humidity of 82%, February is the most humid month.
What is the month with the least sunshine in Lanark?
The month with the least sunshine is February, with an average of 4.4h of sunshine.
What is the snowiest month in Lanark?
March is the month with the most snowfall in Lanark. Snow falls for 5.3 days and accumulates 4.37" (111mm) of snow.
When is Daylight Saving Time (DST) in Lanark?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lanark, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What are the least humid months in Lanark?
April and July, with an average relative humidity of 76%, are the least humid months in Lanark, Pennsylvania.
When it does not snow in Lanark?
In Lanark, Pennsylvania, snow does not fall in June through September.
When are the longest days in Lanark?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What are the months with the highest UV index in Lanark?
The months with the highest UV index in Lanark, Pennsylvania, are June and July, with an average maximum UV index of 6.
What month is the hottest in Lanark?
In Lanark, Pennsylvania, the average temperatures in July are the highest, with a peak at 83.8°F (28.8°C) and a low of 63.5°F (17.5°C).
What is the rainiest month in Lanark?
The month with the most rainfall in Lanark is July, when the rain falls for 15.7 days and typically aggregates up to 3.03" (77mm) of precipitation.
What month has the most sunshine in Lanark?
July has the most sunshine of the year, with an average of 10.4h of sunshine.
What is the driest month in Lanark?
September is the month with the least rainfall in Lanark, Pennsylvania. Rain falls for 11.5 days and accumulates 1.61" (41mm) of precipitation.
What is the month with the shortest days in Lanark?
December has the shortest days of the year in Lanark, with an average of 9h and 18min of daylight.
Average temperature
Lanark, PA
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).
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
Lanark, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"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
Lanark, PA
- Average wind speed in January:
7.9mph - Average wind speed in February:
7.8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.2mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
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
Lanark, PA
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall
Lanark, PA
- Average rainfall in January:
1.81" - Average rainfall in February:
1.73" - Average rainfall in March:
2.17" - Average rainfall in April:
2.44" - Average rainfall in May:
2.76" - Average rainfall in June:
2.32"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.68" - Average rainfall in September:
1.61" - Average rainfall in October:
2.2" - Average rainfall in November:
2.17" - Average rainfall in December:
2.32"
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
Lanark, PA
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
15.6 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
9.2 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
Lanark, PA
- Average snowfall in January:
3.15" - Average snowfall in February:
3.11" - Average snowfall in March:
4.37" - Average snowfall in April:
0.2" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
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
Lanark, PA
- Average snowfall days in January:
5 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.5 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 / Average sunshine
Lanark, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 4min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
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
Lanark, PA
- Average sunshine days in January:
20.5 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
14 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
17 days - Average sunshine days in November:
20.2 days - Average sunshine days in December:
19.2 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
Lanark, PA
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
Lanark, PA
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
Lanark, PA
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).
Lanark, Pennsylvania, USA
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