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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 Monroeville, Pennsylvania, with an average temperature fluctuating between 20.7°F (-6.3°C) and 33.1°F (0.6°C). Monroeville's coldest month, January, registers temperatures that range from a high of 33.1°F (0.6°C) to a low of 20.7°F (-6.3°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Monroeville, Pennsylvania, with an average temperature fluctuating between 37.2°F (2.9°C) and 23.2°F (-4.9°C). Upon the beginning of February, Monroeville's high-temperatures register at a still cold 37.2°F (2.9°C), closely mirroring the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Monroeville, Pennsylvania, with an average temperature fluctuating between 47.3°F (8.5°C) and 31.1°F (-0.5°C). The beginning of March signals a rise in the average high-temperature, moving from a wintry 37.2°F (2.9°C) in February to a chilly 47.3°F (8.5°C). Weather in March »
Weather in April
April is a mild spring month in Monroeville, Pennsylvania, with an average temperature ranging between min 41.2°F (5.1°C) and max 60.1°F (15.6°C). The start of April signals an increase in the average high-temperature, moving from a frosty 47.3°F (8.5°C) in March to a mild 60.1°F (15.6°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Monroeville, Pennsylvania, with an average temperature fluctuating between 71.8°F (22.1°C) and 51.1°F (10.6°C). May's arrival sees a rise in the average high-temperature, jumping from April's refreshing 60.1°F (15.6°C) to a pleasant 71.8°F (22.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Monroeville, Pennsylvania, with an average temperature ranging between max 78.6°F (25.9°C) and min 57.6°F (14.2°C). June's arrival brings a modest temperature shift, moving from an agreeable 71.8°F (22.1°C) in May to a warm 78.6°F (25.9°C). Weather in June »
Weather in July
July, like June, in Monroeville, Pennsylvania, is another warm summer month, with an average temperature ranging between min 61.3°F (16.3°C) and max 83.1°F (28.4°C). The temperatures reach their highest averages in July, with highs of 83.1°F (28.4°C) and lows of 61.3°F (16.3°C). July's heat index is appraised at a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Monroeville, is also a moderately hot month, with an average temperature varying between 81.7°F (27.6°C) and 60.3°F (15.7°C). The shift to August signals an average high-temperature of a still warm 81.7°F (27.6°C), subtly varied from July's 83.1°F (28.4°C). Weather in August »
Weather in September
September, the first month of the autumn in Monroeville, is also a moderately hot month, with an average temperature varying between 55°F (12.8°C) and 75.4°F (24.1°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from 81.7°F (27.6°C) to a still warm 75.4°F (24.1°C). Weather in September »
Weather in October
October, like September, in Monroeville, Pennsylvania, is another refreshing autumn month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 45.1°F (7.3°C). October brings a drop in Monroeville's average high-temperature, falling from a warm 75.4°F (24.1°C) in September to an enjoyable 61.9°F (16.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Monroeville, is another chilly month, with an average temperature fluctuating between 34°F (1.1°C) and 49.1°F (9.5°C). Monroeville's November weather comes with a decrease in average high-temperatures, moving from an enjoyable 61.9°F (16.6°C) in October to a frosty 49.1°F (9.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Monroeville, Pennsylvania, with temperature in the range of an average high of 39.4°F (4.1°C) and an average low of 28.2°F (-2.1°C). The arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 49.1°F (9.5°C) to a wintry 39.4°F (4.1°C). Weather in December »
Updated: Aug 30, 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?
January brings the lowest temperatures, with an average high of 33.1°F (0.6°C) and an average low of 20.7°F (-6.3°C).
How much does it rain?
Throughout the year, there are 151 rainfall days, and 20.39" (518mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How much does it snow?
In Monroeville, during the entire year, snow falls for 35.4 days and aggregates up to 10.35" (263mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine in Monroeville is January, with an average of 2.9h of sunshine.
What is the most humid month?
With an average relative humidity of 85%, February is the most humid month.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 8.7 days and typically aggregates up to 2.52" (64mm) 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?
The months with the lowest humidity are April, July and August, with an average relative humidity of 76%.
What is the wettest month?
May is the month with the most rainfall. Rain falls for 18.2 days and accumulates 2.56" (65mm) of precipitation.
When it does not snow?
In Monroeville, snow does not fall in June through September.
When are the longest days?
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?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What are the warmest months?
In Monroeville, the average highest temperatures are observed in July, with a high of 83.1°F (28.4°C) and a low of 61.3°F (16.3°C).
What month has the most sunshine?
With an average of 10.2h of sunshine, August has the most sunshine of the year.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 8 days and typically collects 1.06" (27mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
When is the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Monroeville, PA
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Monroeville, 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:
29.98"Hg - Average pressure in May:
30"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
Monroeville, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.4mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.6mph
- 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:
6.8mph - Average wind speed in December:
7.5mph
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
Monroeville, PA
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall
Monroeville, PA
- Average rainfall in January:
1.1" - Average rainfall in February:
1.54" - Average rainfall in March:
1.61" - Average rainfall in April:
1.89" - Average rainfall in May:
2.56" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.28" - Average rainfall in August:
1.65" - Average rainfall in September:
1.5" - Average rainfall in October:
1.42" - Average rainfall in November:
1.06" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days
Monroeville, PA
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
12.2 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
18.2 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
16.7 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.7 days).
Average snowfall
Monroeville, PA
- Average snowfall in January:
2.28" - Average snowfall in February:
2.52" - Average snowfall in March:
2.36" - Average snowfall in April:
0.28" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Monroeville, PA
- Average snowfall days in January:
9.7 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
1.4 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:
0.3 days - Average snowfall days in November:
2.7 days - Average snowfall days in December:
6.2 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Monroeville, 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:
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 3min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days
Monroeville, PA
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
14.5 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10.1 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).
Average UV index
Monroeville, PA
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Monroeville, PA
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Monroeville, 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).
Monroeville, Pennsylvania, USA
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