Climate and monthly weather forecast
Lanark, PA

Share

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 »
[Resources]

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 pressure
Lanark, PA

Average pressure - Lanark, PA

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed
Lanark, PA

Average wind speed - Lanark, PA

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).

[Resources]

Average humidity
Lanark, PA

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%).

[Resources]

Average rainfall
Lanark, PA

Average rainfall - Lanark, PA

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

[Resources]

Average rainfall days
Lanark, PA

Average rainfall days - Lanark, PA

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).

[Resources]

Average snowfall
Lanark, PA

Average snowfall - Lanark, PA

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days
Lanark, PA

Average snowfall days - Lanark, PA

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).

[Resources]

Average daylight / Average sunshine
Lanark, PA

Average daylight / Average sunshine - Lanark, PA

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).

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).

[Resources]

Average sunshine days
Lanark, PA

Average sunshine days - Lanark, PA

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

[Resources]

Average UV index
Lanark, PA

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).

[Resources]

Average visibility
Lanark, PA

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).

[Resources]

Lanark, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location