Expand
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, in Westline, Pennsylvania, is another subzero cold winter month, with temperature in the range of an average high of 28°F (-2.2°C) and an average low of 16.3°F (-8.7°C). In Westline, January is the coldest month, with temperatures averaging a high of 28°F (-2.2°C) and a low of 16.3°F (-8.7°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Westline, Pennsylvania, with an average temperature ranging between min 18°F (-7.8°C) and max 31.6°F (-0.2°C). As January transitions into February, the average high-temperature rests at a still subzero cold 31.6°F (-0.2°C), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Westline, Pennsylvania, with an average temperature fluctuating between 25.9°F (-3.4°C) and 41.2°F (5.1°C). Noticing a change, the average high-temperature during March moves from February's subzero cold 31.6°F (-0.2°C) to a cold 41.2°F (5.1°C). Weather in March »
Weather in April
April is a fresh spring month in Westline, Pennsylvania, with an average temperature fluctuating between 53.4°F (11.9°C) and 35.6°F (2°C). The start of April brings a rise in the average high-temperature, moving from a wintry 41.2°F (5.1°C) in March to a cool 53.4°F (11.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Westline, Pennsylvania, with an average temperature varying between 46°F (7.8°C) and 66.6°F (19.2°C). Westline sees a rise in temperature during May, with average high-temperatures transitioning from a fresh 53.4°F (11.9°C) in April to an enjoyable 66.6°F (19.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Westline, Pennsylvania, with an average temperature fluctuating between 52.9°F (11.6°C) and 73.4°F (23°C). Westline's weather shows a minor temperature rise with the arrival of June, moving from a refreshing 66.6°F (19.2°C) in May to a moderately hot 73.4°F (23°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Westline, Pennsylvania, with an average temperature varying between 78.8°F (26°C) and 56.8°F (13.8°C). Westline's warmest weather arrives in July, when temperatures average a high of 78.8°F (26°C) and a low of 56.8°F (13.8°C). Weather in July »
Weather in August
August, the last month of the summer in Westline, is also a moderately hot month, with an average temperature ranging between max 76.6°F (24.8°C) and min 55°F (12.8°C). Westline notes an average high-temperature of a still moderately hot 76.6°F (24.8°C) in August, hardly diverging from July. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Westline, Pennsylvania, with an average temperature varying between 70.3°F (21.3°C) and 50.7°F (10.4°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 76.6°F (24.8°C) in August to a pleasant 70.3°F (21.3°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Westline, Pennsylvania, with an average temperature fluctuating between 56.7°F (13.7°C) and 41.5°F (5.3°C). As September transitions to October, the average high-temperature falls from an agreeable 70.3°F (21.3°C) to a mild 56.7°F (13.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Westline, Pennsylvania, with an average temperature fluctuating between 43.7°F (6.5°C) and 30.7°F (-0.7°C). November brings a decrease in the average high-temperature, falling from October's refreshing 56.7°F (13.7°C) to a chilly 43.7°F (6.5°C). Weather in November »
Weather in December
December, the first month of the winter in Westline, is also an icy month, with temperature in the range of an average low of 24.6°F (-4.1°C) and an average high of 34.5°F (1.4°C). The average high-temperature decreases in December, shifting from a frosty 43.7°F (6.5°C) in November to a wintry 34.5°F (1.4°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 month is the coldest?
January proves to be the coldest month, recording an average maximum temperature of 28°F (-2.2°C) and a minimum temperature of 16.3°F (-8.7°C).
How much does it rain?
In Westline, during the entire year, the rain falls for 179.4 days and collects up to 35.59" (904mm) of precipitation.
When does it snow in Westline?
Months with snowfall are January through May, October through December.
How many days does it snow?
In Westline, during the entire year, snow falls for 99.3 days and aggregates up to 56.69" (1440mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 2.3h of sunshine.
When is the lowest UV index?
The months with the lowest UV index in Westline are January and December, with an average maximum UV index of 1.
What is the most humid month?
February is the most humid month, with an average relative humidity of 89%.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 20.1 days and accumulates 13.66" (347mm) 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 wettest month?
The month with the most rainfall is April, when the rain falls for 18 days and typically aggregates up to 4.09" (104mm) of precipitation.
What are the least humid months in Westline?
The months with the lowest humidity in Westline are May through July, with an average relative humidity of 79%.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
When it does not snow?
In Westline, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 12min of daylight.
What is the warmest month?
The warmest month is July, with an average high-temperature of 78.8°F (26°C) and an average low-temperature of 56.8°F (13.8°C).
What month has the most sunshine?
With an average of 9.6h of sunshine, July has the most sunshine of the year in Westline.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 15 days and typically collects 2.24" (57mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Westline, PA
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure
Westline, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"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:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Westline, PA
- Average wind speed in January:
9.1mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.4mph - Average wind speed in May:
7.1mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.3mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity
Westline, PA
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall
Westline, PA
- Average rainfall in January:
2.99" - Average rainfall in February:
3.11" - Average rainfall in March:
2.8" - Average rainfall in April:
4.09" - Average rainfall in May:
3.23" - Average rainfall in June:
2.91"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.32" - Average rainfall in September:
2.24" - Average rainfall in October:
3.5" - Average rainfall in November:
2.48" - Average rainfall in December:
3.15"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days
Westline, PA
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
9 days - Average rainfall days in March:
13 days - Average rainfall days in April:
18 days - Average rainfall days in May:
20.7 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
19 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
15 days - Average rainfall days in October:
18.2 days - Average rainfall days in November:
11.6 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall
Westline, PA
- Average snowfall in January:
12.32" - Average snowfall in February:
13.66" - Average snowfall in March:
6.06" - Average snowfall in April:
3.86" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
The month with the highest snowfall is February (13.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Westline, PA
- Average snowfall days in January:
23.2 days - Average snowfall days in February:
20.1 days - Average snowfall days in March:
13.8 days - Average snowfall days in April:
6.7 days - Average snowfall days in May:
0.9 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:
2.6 days - Average snowfall days in November:
11.9 days - Average snowfall days in December:
20.1 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Westline, 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 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
2h and 2min - Average sunshine in February:
2h and 4min - Average sunshine in March:
5h and 0min - Average sunshine in April:
6h and 4min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 3min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 3min - Average sunshine in November:
4h and 0min - Average sunshine in December:
2h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days
Westline, PA
- Average sunshine days in January:
4.5 days - Average sunshine days in February:
4.8 days - Average sunshine days in March:
8.8 days - Average sunshine days in April:
7.8 days - Average sunshine days in May:
8.5 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
12.1 days - Average sunshine days in October:
9.8 days - Average sunshine days in November:
10.7 days - Average sunshine days in December:
5.1 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is January (4.5 days).
Average UV index
Westline, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Westline, PA
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility
Westline, PA
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Westline, Pennsylvania, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location