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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 West Lawn, Pennsylvania, with temperature in the range of an average low of 22.1°F (-5.5°C) and an average high of 35.1°F (1.7°C). West Lawn records the coldest temperatures in January, averaging a high of 35.1°F (1.7°C) and a low of 22.1°F (-5.5°C). Weather in January »
Weather in February
February, the last month of the winter in West Lawn, is another cold month, with an average temperature varying between 37.9°F (3.3°C) and 23.5°F (-4.7°C). February's advent presents an average high-temperature of a still wintry 37.9°F (3.3°C), indicating a slight variation from the conditions of the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in West Lawn, Pennsylvania, with an average temperature varying between 46.9°F (8.3°C) and 31.1°F (-0.5°C). West Lawn, Pennsylvania, sees an increase in the average high-temperature with the arrival of March, moving from February's wintry 37.9°F (3.3°C) to a frosty 46.9°F (8.3°C). Weather in March »
Weather in April
April is a moderate spring month in West Lawn, Pennsylvania, with an average temperature ranging between min 41.2°F (5.1°C) and max 59.5°F (15.3°C). April brings a temperature increase, with average high-temperatures moving from March's chilly 46.9°F (8.3°C) to a moderate 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in West Lawn, is an agreeable month, with an average temperature fluctuating between 69.4°F (20.8°C) and 51.3°F (10.7°C). With the onset of May, West Lawn's weather sees a temperature rise, transitioning from a mild 59.5°F (15.3°C) in April to a pleasant 69.4°F (20.8°C). Weather in May »
Weather in June
June, the first month of the summer in West Lawn, is a warm month, with an average temperature varying between 77.2°F (25.1°C) and 58.6°F (14.8°C). In West Lawn, stepping into June brings a gentle temperature nudge, moving slightly up from May's agreeable 69.4°F (20.8°C) to a warm 77.2°F (25.1°C). Weather in June »
Weather in July
July, like June, in West Lawn, Pennsylvania, is another warm summer month, with an average temperature fluctuating between 63.7°F (17.6°C) and 82.6°F (28.1°C). July, characterized by an average high temperature of 82.6°F (28.1°C) and a low temperature of 63.7°F (17.6°C), is generally the warmest month. July's average heat index is calculated to be a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in West Lawn, Pennsylvania, with an average temperature fluctuating between 61.7°F (16.5°C) and 80.6°F (27°C). The arrival of August sees a recorded average high-temperature of a still warm 80.6°F (27°C), showing little divergence from the previous month's conditions. Weather in August »
Weather in September
September, the first month of the autumn in West Lawn, is still a warm month, with an average temperature ranging between min 55.6°F (13.1°C) and max 74.5°F (23.6°C). The arrival of September signals a subtle shift in temperature, down from a warm 80.6°F (27°C) in August to a still moderately hot 74.5°F (23.6°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in West Lawn, Pennsylvania, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 46.4°F (8°C). October brings a drop in West Lawn's average high-temperature, falling from a moderately hot 74.5°F (23.6°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in West Lawn, Pennsylvania, with an average temperature fluctuating between 35.2°F (1.8°C) and 50°F (10°C). The beginning of November marks a decrease in the average high-temperature, transitioning from an enjoyable 62.2°F (16.8°C) in October to a fresh 50°F (10°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in West Lawn, Pennsylvania, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 29.3°F (-1.5°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's cool 50°F (10°C) to an icy 40.6°F (4.8°C). Weather in December »
Updated: Jun 4, 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 is the coldest time of year?
In West Lawn, January registers the lowest temperatures, averaging 35.1°F (1.7°C) at the peak and 22.1°F (-5.5°C) at the lowest.
How many days does it rain?
Throughout the year, there are 158.3 rainfall days, and 29.76" (756mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
In West Lawn, during the entire year, snow falls for 26.5 days and aggregates up to 12.64" (321mm) of snow.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What are the most humid months?
The months with the highest humidity are February and October, with an average relative humidity of 81%.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.6h of sunshine.
When does it snow the most?
The month with the most snowfall is March, when snow falls for 5.3 days and typically aggregates up to 3.54" (90mm) of snow.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 is the least humid month?
April is the least humid month, with an average relative humidity of 76%.
What is the month with the highest UV index?
May through July, with an average maximum UV index of 6, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
The month with the longest days in West Lawn is June, with an average of 15h and 0min of daylight.
What are the warmest months?
July, with its high-temperature average of 82.6°F (28.1°C) and a low-temperature average of 63.7°F (17.6°C), is the warmest month.
What month has the most sunshine?
With an average of 10.5h of sunshine, July has the most sunshine of the year.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 14.9 days and accumulates 2.95" (75mm) of precipitation.
What is the driest month?
September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.85" (47mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
West Lawn, PA
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.1°F).
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure
West Lawn, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"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:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"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
West Lawn, PA
- Average wind speed in January:
8.4mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.2mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.9mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
West Lawn, PA
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
West Lawn, PA
- Average rainfall in January:
2.36" - Average rainfall in February:
2.13" - Average rainfall in March:
2.44" - Average rainfall in April:
2.8" - Average rainfall in May:
2.8" - Average rainfall in June:
2.4"
- Average rainfall in July:
2.56" - Average rainfall in August:
2.95" - Average rainfall in September:
1.85" - Average rainfall in October:
2.68" - Average rainfall in November:
2.36" - Average rainfall in December:
2.44"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days
West Lawn, PA
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
11.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall
West Lawn, PA
- Average snowfall in January:
3.15" - Average snowfall in February:
3.43" - Average snowfall in March:
3.54" - Average snowfall in April:
0.16" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
West Lawn, PA
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.2 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:
0.8 days - Average snowfall days in December:
4.4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
West Lawn, 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 2min - 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:
10h and 0min - 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 24min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days
West Lawn, PA
- Average sunshine days in January:
16.3 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
13 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.6 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
15.1 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
16.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index
West Lawn, PA
The months with the highest UV index are May, 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
West Lawn, PA
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility
West Lawn, PA
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
West Lawn, Pennsylvania, USA
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