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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 a wintry winter month in Sewickley, Pennsylvania, with temperature in the range of an average high of 32.9°F (0.5°C) and an average low of 20.3°F (-6.5°C). The coldest time of the year is January, with temperatures averaging a high of 32.9°F (0.5°C) and a low of 20.3°F (-6.5°C). Weather in January »
Weather in February
February, the last month of the winter in Sewickley, is another cold month, with temperature in the range of an average high of 37°F (2.8°C) and an average low of 22.6°F (-5.2°C). Sewickley's weather, upon February's arrival, documents an average high-temperature of a still icy 37°F (2.8°C), nearly identical to the prior month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Sewickley, Pennsylvania, with temperature in the range of an average high of 47.1°F (8.4°C) and an average low of 31.1°F (-0.5°C). March's arrival signals an increase in average high-temperatures, moving from February's icy 37°F (2.8°C) to a chilly 47.1°F (8.4°C). Weather in March »
Weather in April
April in Sewickley, Pennsylvania, is a mild spring month, with an average temperature varying between 60.3°F (15.7°C) and 41°F (5°C). The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a chilly 47.1°F (8.4°C) in March to a mild 60.3°F (15.7°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Sewickley, Pennsylvania, with an average temperature fluctuating between 72°F (22.2°C) and 50.9°F (10.5°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a mild 60.3°F (15.7°C) to a pleasant 72°F (22.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Sewickley, Pennsylvania, with an average temperature ranging between max 79°F (26.1°C) and min 58.1°F (14.5°C). The coming of June brings a minor shift in Sewickley's weather, with average high-temperatures adjusting from May's agreeable 72°F (22.2°C) to a warm 79°F (26.1°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Sewickley, Pennsylvania, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 83.5°F (28.6°C). In Sewickley, Pennsylvania, July is the month with the highest recorded average temperatures, measuring a high of 83.5°F (28.6°C) and a low of 61.9°F (16.6°C). For most parts of July, the heat index is computed to be a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Sewickley, is another warm month, with an average temperature ranging between max 82°F (27.8°C) and min 60.4°F (15.8°C). The initiation of August sees an average high-temperature of a still moderately hot 82°F (27.8°C), showing minor variations from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Sewickley, is still a warm month, with an average temperature ranging between min 55.6°F (13.1°C) and max 75.4°F (24.1°C). A moderate decline in average high-temperatures is noted in September, moving from a warm 82°F (27.8°C) in August to a still moderately hot 75.4°F (24.1°C). Weather in September »
Weather in October
October, like September, in Sewickley, Pennsylvania, is another refreshing autumn month, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 45.3°F (7.4°C). Sewickley's weather changes with the onset of October, slightly falling from a warm 75.4°F (24.1°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Sewickley, Pennsylvania, with temperature in the range of an average high of 48.7°F (9.3°C) and an average low of 33.8°F (1°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a refreshing 61.7°F (16.5°C) in October to a chilly 48.7°F (9.3°C). Weather in November »
Weather in December
December, the first month of the winter in Sewickley, is also a wintry month, with an average temperature ranging between max 39°F (3.9°C) and min 28°F (-2.2°C). Sewickley experiences a temperature shift at the start of December, with average high-temperatures adjusting from a frosty 48.7°F (9.3°C) in November to a cold 39°F (3.9°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Sewickley?
Sewickley experiences its average lowest temperatures in January, reaching a peak of 32.9°F (0.5°C) and a minimum of 20.3°F (-6.5°C).
What is the driest month in Sewickley?
January is the month with the least rainfall in Sewickley, Pennsylvania. Rain falls for 8.1 days and accumulates 1.22" (31mm) of precipitation.
How much does it rain in Sewickley?
In Sewickley, during the entire year, the rain falls for 154.8 days and collects up to 21.22" (539mm) of precipitation.
When does it snow in Sewickley?
January through May, October through December are months with snowfall in Sewickley.
How many days does it snow in Sewickley?
Throughout the year, in Sewickley, there are 49.9 snowfall days, and 10.12" (257mm) of snow is accumulated.
What is the month with the least sunshine in Sewickley?
With an average of 2.9h of sunshine, January has the least sunshine of the year.
What is the most humid month in Sewickley?
With an average relative humidity of 85%, February is the most humid month.
When does it snow the most in Sewickley?
February is the month with the most snowfall in Sewickley, Pennsylvania. Snow falls for 11.8 days and accumulates 2.76" (70mm) of snow.
When is Daylight Saving Time (DST) in Sewickley?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sewickley, 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 months with the highest UV index in Sewickley?
The months with the highest UV index in Sewickley, Pennsylvania, are May through July, with an average maximum UV index of 6.
When it does not snow in Sewickley?
In Sewickley, snow does not fall in June through September.
When are the longest days in Sewickley?
With an average of 15h and 0min of daylight, June has the longest days of the year in Sewickley.
What is the hottest time of year in Sewickley?
July, marked by an average high-temperature of 83.5°F (28.6°C) and a low-temperature of 61.9°F (16.6°C), is the warmest month.
What is the least humid month in Sewickley?
July and August, with an average relative humidity of 75%, are the least humid months in Sewickley, Pennsylvania.
What is the wettest month in Sewickley?
The month with the most rainfall in Sewickley is July, when the rain falls for 16.9 days and typically aggregates up to 2.36" (60mm) of precipitation.
What month has the most sunshine in Sewickley?
The month with the most sunshine is August, with an average of 10h of sunshine.
What is the month with the shortest days in Sewickley?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
When is the lowest UV index in Sewickley?
December is the month with the lowest UV index in Sewickley, with an average maximum UV index of 1.
Average temperature
Sewickley, PA
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure
Sewickley, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Sewickley, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.7mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5.2mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.4mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Sewickley, PA
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall
Sewickley, PA
- Average rainfall in January:
1.22" - Average rainfall in February:
1.38" - Average rainfall in March:
1.5" - Average rainfall in April:
2.24" - Average rainfall in May:
2.24" - Average rainfall in June:
2.28"
- Average rainfall in July:
2.36" - Average rainfall in August:
1.73" - Average rainfall in September:
1.73" - Average rainfall in October:
1.61" - Average rainfall in November:
1.34" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is July (2.36").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days
Sewickley, PA
- Average rainfall days in January:
8.1 days - Average rainfall days in February:
8.2 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
13.4 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.1 days).
Average snowfall
Sewickley, PA
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Sewickley, PA
- Average snowfall days in January:
14.3 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
6.9 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.3 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:
0.2 days - Average snowfall days in November:
4.1 days - Average snowfall days in December:
10.5 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sewickley, 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:
2h and 5min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days
Sewickley, PA
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
10.7 days - Average sunshine days in March:
13 days - Average sunshine days in April:
12 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
15 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
12.9 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (10.7 days).
Average UV index
Sewickley, PA
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Sewickley, PA
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Sewickley, PA
The months with the highest visibility are April, June, August and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September, October and December (5mi).
Sewickley, Pennsylvania, USA
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