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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, like December, in West Mifflin, Pennsylvania, is a wintry winter month, with an average temperature ranging between min 20.7°F (-6.3°C) and max 33.4°F (0.8°C). In West Mifflin, January is the coldest month, with temperatures averaging a high of 33.4°F (0.8°C) and a low of 20.7°F (-6.3°C). Weather in January »
Weather in February
February, the last month of the winter in West Mifflin, is another cold month, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 37.6°F (3.1°C). With February's arrival, West Mifflin's weather records an average high-temperature of a still cold 37.6°F (3.1°C), marking little difference from January's 33.4°F (0.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in West Mifflin, Pennsylvania, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 47.8°F (8.8°C). March sees a rise in the average high-temperature, climbing from a cold 37.6°F (3.1°C) in February to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April in West Mifflin, Pennsylvania, is a mild spring month, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 41.4°F (5.2°C). West Mifflin's transition into April brings a rise in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in March to a mild 60.4°F (15.8°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in West Mifflin, Pennsylvania, with an average temperature fluctuating between 72.1°F (22.3°C) and 51.4°F (10.8°C). West Mifflin in May shows a temperature shift, moving from an average high of a refreshing 60.4°F (15.8°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in West Mifflin, Pennsylvania, with an average temperature fluctuating between 79°F (26.1°C) and 58.5°F (14.7°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from an agreeable 72.1°F (22.3°C) in May 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 West Mifflin, Pennsylvania, with an average temperature ranging between max 83.3°F (28.5°C) and min 62.6°F (17°C). July registers as the month with the highest average temperatures, reaching 83.3°F (28.5°C) at its peak and 62.6°F (17°C) at the lowest. The heat index value during July is appraised at a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in West Mifflin, is also a moderately hot month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 61°F (16.1°C). August registers an average high-temperature of a still warm 81.9°F (27.7°C), slightly varied from July's 83.3°F (28.5°C). Weather in August »
Weather in September
September, the first month of the autumn in West Mifflin, is also a moderately hot month, with an average temperature fluctuating between 75.6°F (24.2°C) and 55.8°F (13.2°C). With the arrival of September, West Mifflin notices a mild change in the average high-temperature, sliding from August's moderately hot 81.9°F (27.7°C) to a still warm 75.6°F (24.2°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in West Mifflin, Pennsylvania, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 62.1°F (16.7°C). During the transition into October, West Mifflin observes a decrease in the average high-temperature, falling from a warm 75.6°F (24.2°C) in September to an enjoyable 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 West Mifflin, Pennsylvania, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 49.3°F (9.6°C). In November, the average high-temperature decreases from an enjoyable 62.1°F (16.7°C) in October to a frosty 49.3°F (9.6°C). Weather in November »
Weather in December
December, the first month of the winter in West Mifflin, is also an icy month, with an average temperature ranging between max 39.6°F (4.2°C) and min 28.4°F (-2°C). A subtle decrease in the average high-temperature marks December, falling from November's chilly 49.3°F (9.6°C) to a cold 39.6°F (4.2°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in West Mifflin?
During the coldest month in West Mifflin, January, temperatures average a high of 33.4°F (0.8°C) and a low of 20.7°F (-6.3°C).
How much does it rain in West Mifflin?
Throughout the year, in West Mifflin, there are 128 rainfall days, and 10.2" (259mm) of precipitation is accumulated.
When does it snow in West Mifflin?
January through May, October through December are months with snowfall in West Mifflin, Pennsylvania.
What is the snowiest month in West Mifflin?
The months with the most snowfall are January and February, with an average 1.65" (42mm) of accumulated snow.
How many days does it snow in West Mifflin?
Throughout the year, in West Mifflin, there are 50 snowfall days, and 6.69" (170mm) of snow is accumulated.
What is the month with the least sunshine in West Mifflin?
The month with the least sunshine is January, with an average of 3h of sunshine.
What is the most humid month in West Mifflin?
The most humid month is February, with an average relative humidity of 85%.
When is Daylight Saving Time (DST) in West Mifflin?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in West Mifflin, 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 rainiest month in West Mifflin?
May is the month with the most rainfall. Rain falls for 15 days and accumulates 1.26" (32mm) of precipitation.
What are the months with the highest UV index in West Mifflin?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When it does not snow in West Mifflin?
June through September are months without snowfall in West Mifflin, Pennsylvania.
When are the longest days in West Mifflin?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What month is the hottest in West Mifflin?
With its average high temperature of 83.3°F (28.5°C) and a low of 62.6°F (17°C), July is regarded as the warmest month in West Mifflin.
What is the least humid month in West Mifflin?
August is the least humid month in West Mifflin, Pennsylvania, with an average relative humidity of 74%.
What month has the most sunshine in West Mifflin?
With an average of 10.2h of sunshine, August has the most sunshine of the year in West Mifflin, Pennsylvania.
What is the driest month in West Mifflin?
September and November are months with the least rain when the rain falls for 9 days and typically aggregates up to 0.55" (14mm) of rain.
What is the month with the shortest days in West Mifflin?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
What is the month with the lowest UV index in West Mifflin?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
West Mifflin, PA
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
West Mifflin, 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
West Mifflin, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.4mph - Average wind speed in May:
6mph - 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:
5.1mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
West Mifflin, PA
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall
West Mifflin, PA
- Average rainfall in January:
0.67" - Average rainfall in February:
0.83" - Average rainfall in March:
0.79" - Average rainfall in April:
0.98" - Average rainfall in May:
1.26" - Average rainfall in June:
1.1"
- Average rainfall in July:
1.02" - Average rainfall in August:
0.79" - Average rainfall in September:
0.55" - Average rainfall in October:
0.87" - Average rainfall in November:
0.55" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are September and November (0.55").
Average rainfall days
West Mifflin, PA
- Average rainfall days in January:
7.9 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
15 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
9 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (7.1 days).
Average snowfall
West Mifflin, PA
- Average snowfall in January:
1.65" - Average snowfall in February:
1.65" - Average snowfall in March:
1.18" - Average snowfall in April:
0.24" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The months with the highest snowfall are January and February (1.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
West Mifflin, PA
- Average snowfall days in January:
14.4 days - Average snowfall days in February:
11.4 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
2.1 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:
0.4 days - Average snowfall days in November:
4.2 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
West Mifflin, 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:
3h and 0min - Average sunshine in February:
3h and 4min - 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 2min
- Average sunshine in July:
10h and 0min - 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: 3h and 0min).
Average sunshine days
West Mifflin, PA
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
18.6 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.3 days).
Average UV index
West Mifflin, PA
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
West Mifflin, 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
West Mifflin, PA
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
West Mifflin, Pennsylvania, USA
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