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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 Clairton, Pennsylvania, is an icy winter month, with an average temperature fluctuating between 33.6°F (0.9°C) and 20.7°F (-6.3°C). The coldest month is January, with an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 20.7°F (-6.3°C). Weather in January »
Weather in February
February, the last month of the winter in Clairton, is another cold month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 37.6°F (3.1°C). February's advent denotes a minor fluctuation in the average high-temperature to a still cold 37.6°F (3.1°C) from January's 33.6°F (0.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Clairton, Pennsylvania, with temperature in the range of an average low of 31.3°F (-0.4°C) and an average high of 47.8°F (8.8°C). The start of March is characterized by an increase in the average high-temperature, transitioning from an icy 37.6°F (3.1°C) in February to a frosty 47.8°F (8.8°C). Weather in March »
Weather in April
April in Clairton, Pennsylvania, is a mild spring month, with an average temperature varying between 60.1°F (15.6°C) and 41.4°F (5.2°C). April's arrival coincides with a rise in the average high-temperature, moving from March's frosty 47.8°F (8.8°C) to a refreshing 60.1°F (15.6°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Clairton, Pennsylvania, with an average temperature fluctuating between 51.4°F (10.8°C) and 71.8°F (22.1°C). May brings an increase in the average high-temperature, progressing from a mild 60.1°F (15.6°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »
Weather in June
June, the first month of the summer in Clairton, is a moderately hot month, with an average temperature varying between 57.7°F (14.3°C) and 78.6°F (25.9°C). June's arrival signals a subtle increase in average high-temperatures, moving from May's pleasant 71.8°F (22.1°C) to a warm 78.6°F (25.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Clairton, Pennsylvania, with an average temperature varying between 61.5°F (16.4°C) and 82.9°F (28.3°C). With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 61.5°F (16.4°C), July is the warmest month. Throughout July, the heat index is estimated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Clairton, Pennsylvania, with an average temperature varying between 81.5°F (27.5°C) and 60.1°F (15.6°C). August's onset sees an average high-temperature of a still moderately hot 81.5°F (27.5°C), exhibiting a slight fluctuation from the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Clairton, is still a warm month, with an average temperature varying between 75.4°F (24.1°C) and 55°F (12.8°C). September is characterized by a slight reduction in average high-temperature, easing from a warm 81.5°F (27.5°C) in August to a still moderately hot 75.4°F (24.1°C). Weather in September »
Weather in October
October, like September, in Clairton, Pennsylvania, is another refreshing autumn month, with an average temperature ranging between min 45.3°F (7.4°C) and max 62.1°F (16.7°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's moderately hot 75.4°F (24.1°C) to an enjoyable 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Clairton, Pennsylvania, with an average temperature fluctuating between 34°F (1.1°C) and 49.5°F (9.7°C). With November's arrival, Clairton, Pennsylvania, sees a decrease in average high-temperatures, moving from an enjoyable 62.1°F (16.7°C) in October to a frosty 49.5°F (9.7°C). Weather in November »
Weather in December
December, the first month of the winter in Clairton, is also a wintry month, with an average temperature ranging between min 28.6°F (-1.9°C) and max 39.6°F (4.2°C). The start of December comes with a reduction in the average high-temperature, receding from a frosty 49.5°F (9.7°C) in November to a wintry 39.6°F (4.2°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Clairton?
Clairton records the coldest temperatures in January, averaging a high of 33.6°F (0.9°C) and a low of 20.7°F (-6.3°C).
What is the driest month in Clairton?
January and November are months with the least rain in Clairton, Pennsylvania, when the rain falls for 9.1 days and typically aggregates up to 1.14" (29mm) of rain.
How much does it rain in Clairton?
Throughout the year, in Clairton, there are 161.9 rainfall days, and 19.29" (490mm) of precipitation is accumulated.
When does it snow in Clairton?
Months with snowfall in Clairton are January through April, October through December.
What is the snowiest month in Clairton?
The month with the most snowfall in Clairton, Pennsylvania, is January, when snow falls for 14.2 days and typically aggregates up to 2.13" (54mm) of snow.
How much does it snow in Clairton?
Throughout the year, in Clairton, there are 49.2 snowfall days, and 8.62" (219mm) of snow is accumulated.
What is the month with the least sunshine in Clairton?
The month with the least sunshine in Clairton, Pennsylvania, is January, with an average of 3h of sunshine.
What is the most humid month in Clairton?
February is the most humid month, with an average relative humidity of 85%.
When is Daylight Saving Time (DST) in Clairton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Clairton, Pennsylvania, 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 least humid months in Clairton?
April, July and August, with an average relative humidity of 76%, are the least humid months.
What is the rainiest month in Clairton?
May is the month with the most rainfall in Clairton, Pennsylvania. Rain falls for 18.3 days and accumulates 2.28" (58mm) of precipitation.
When it does not snow in Clairton?
May through September are months without snowfall.
What is the month with the highest UV index in Clairton?
The months with the highest UV index in Clairton, Pennsylvania, are May through August, with an average maximum UV index of 6.
When are the longest days in Clairton?
With an average of 15h and 0min of daylight, June has the longest days of the year in Clairton.
What are the warmest months in Clairton?
Clairton's temperatures peak on average in July, reaching 82.9°F (28.3°C) at their highest and 61.5°F (16.4°C) at their lowest.
What month has the most sunshine in Clairton?
With an average of 10.3h of sunshine, August has the most sunshine of the year in Clairton.
What is the month with the shortest days in Clairton?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Clairton.
What is the month with the lowest UV index in Clairton?
The month with the lowest UV index in Clairton, Pennsylvania, is December, with an average maximum UV index of 1.
Average temperature
Clairton, PA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Clairton, 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
Clairton, PA
- Average wind speed in January:
8mph - Average wind speed in February:
7.8mph - Average wind speed in March:
7.3mph - 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:
5.1mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
7.4mph
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
Clairton, 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
Clairton, PA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.3" - Average rainfall in March:
1.26" - Average rainfall in April:
1.97" - Average rainfall in May:
2.28" - Average rainfall in June:
2.2"
- Average rainfall in July:
2.13" - Average rainfall in August:
1.57" - Average rainfall in September:
1.38" - Average rainfall in October:
1.46" - Average rainfall in November:
1.14" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.14").
Average rainfall days
Clairton, PA
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
9.3 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall
Clairton, PA
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Clairton, PA
- Average snowfall days in January:
14.2 days - Average snowfall days in February:
11.8 days - Average snowfall days in March:
7 days - Average snowfall days in April:
1.9 days - Average snowfall days in May:
0 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 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Clairton, 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 3min - Average sunshine in April:
7h and 5min - 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 2min - 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Clairton, PA
- Average sunshine days in January:
11.3 days - Average sunshine days in February:
9 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
14 days - Average sunshine days in November:
17 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9 days).
Average UV index
Clairton, 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
Clairton, PA
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Clairton, 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).
Clairton, Pennsylvania, USA
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