Climate and monthly weather forecastMcKees Rocks, PA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in McKees Rocks, Pennsylvania, with temperature in the range of an average high of 33.1°F (0.6°C) and an average low of 21°F (-6.1°C). In McKees Rocks, the lowest temperatures are generally noted in January, averaging a high of 33.1°F (0.6°C) and a low of 21°F (-6.1°C). Weather in January »Weather in February
February, the last month of the winter in McKees Rocks, is also an icy 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). The advent of February observes an average high-temperature of a still cold 37.6°F (3.1°C), nearly identical to January's 33.1°F (0.6°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in McKees Rocks, Pennsylvania, with an average temperature fluctuating between 31.5°F (-0.3°C) and 47.8°F (8.8°C). McKees Rocks sees an increase in average high-temperatures during March, moving from a cold 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 McKees Rocks, Pennsylvania, is an enjoyable spring month, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 61°F (16.1°C). Noticing a change, the average high-temperature during April moves from March's chilly 47.8°F (8.8°C) to a refreshing 61°F (16.1°C). Weather in April »Weather in May
May, the last month of the spring in McKees Rocks, is an agreeable month, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 51.4°F (10.8°C). The arrival of May brings an increase in high-temperatures, moving from a comfortable 61°F (16.1°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »Weather in June
June, the first month of the summer in McKees Rocks, is a warm month, with an average temperature ranging between max 79.3°F (26.3°C) and min 58.6°F (14.8°C). A slight uplift in the average high-temperature marks June, adjusting from May's agreeable 72.1°F (22.3°C) to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in McKees Rocks, Pennsylvania, is another warm summer month, with an average temperature varying between 84°F (28.9°C) and 63°F (17.2°C). McKees Rocks's July weather reaches an average high of 84°F (28.9°C) and an average low of 63°F (17.2°C), making it the warmest month. The average heat index in July is evaluated at a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in McKees Rocks, Pennsylvania, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 61.3°F (16.3°C). The average high-temperature is a still moderately hot 82.2°F (27.9°C) in August, hardly different from the 84°F (28.9°C) recorded in July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in McKees Rocks, Pennsylvania, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 75.7°F (24.3°C). The average high-temperature shows a slight dip in September, from August's moderately hot 82.2°F (27.9°C) to a still warm 75.7°F (24.3°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in McKees Rocks, Pennsylvania, with an average temperature fluctuating between 62.2°F (16.8°C) and 45.5°F (7.5°C). McKees Rocks's weather changes with the onset of October, slightly falling from a moderately hot 75.7°F (24.3°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in McKees Rocks, is another chilly month, with an average temperature fluctuating between 49.1°F (9.5°C) and 34.2°F (1.2°C). The beginning of November marks a decrease in the average high-temperature, transitioning from a refreshing 62.2°F (16.8°C) in October to a chilly 49.1°F (9.5°C). Weather in November »Weather in December
December, the first month of the winter in McKees Rocks, is still a cold month, with an average temperature ranging between min 28.4°F (-2°C) and max 39.4°F (4.1°C). McKees Rocks, Pennsylvania, in December undergoes a mild reduction in the average high-temperature, shifting from November's chilly 49.1°F (9.5°C) to a cold 39.4°F (4.1°C). Weather in December »Updated: Jun 23, 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
McKees Rocks, Pennsylvania, witnesses the coldest weather in January, with temperatures averaging a high of 33.1°F (0.6°C) and a low of 21°F (-6.1°C).
The months with the highest humidity are January and February, with an average relative humidity of 84%.
In McKees Rocks, during the entire year, the rain falls for 163.6 days and collects up to 26.93" (684mm) of precipitation.
January through April, October through December are months with snowfall.
The month with the most snowfall is January, when snow falls for 14.4 days and typically aggregates up to 3.31" (84mm) of snow.
Throughout the year, there are 47.7 snowfall days, and 11.77" (299mm) of snow is accumulated.
With an average of 2.8h of sunshine, January has the least sunshine of the year.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in McKees Rocks, 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.
May is the month with the most rainfall. Rain falls for 18.9 days and accumulates 3.07" (78mm) of precipitation.
May through September are months without snowfall.
May through July, with an average maximum UV index of 6, are months with the highest UV index.
June has the longest days of the year, with an average of 15h and 0min of daylight.
In McKees Rocks, the peak temperatures are generally noted in July, averaging a high of 84°F (28.9°C) and a low of 63°F (17.2°C).
The months with the lowest humidity are July and August, with an average relative humidity of 73%.
August has the most sunshine of the year, with an average of 10.1h of sunshine.
November is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.54" (39mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
McKees Rocks, PA
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
McKees Rocks, 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:
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
McKees Rocks, 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:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - 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:
7.3mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity
McKees Rocks, PA
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall
McKees Rocks, PA
- Average rainfall in January:
1.69" - Average rainfall in February:
1.93" - Average rainfall in March:
2.05" - Average rainfall in April:
2.76" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.05" - Average rainfall in September:
2.13" - Average rainfall in October:
2.09" - Average rainfall in November:
1.54" - Average rainfall in December:
2.13"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days
McKees Rocks, PA
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
18.9 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
18.2 days - Average rainfall days in August:
16 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
10.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).
Average snowfall
McKees Rocks, PA
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
McKees Rocks, PA
- Average snowfall days in January:
14.4 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
1.4 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:
3.5 days - Average snowfall days in December:
10.3 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
McKees Rocks, PA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 48min - Average sunshine in February:
3h and 24min - Average sunshine in March:
5h and 12min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
McKees Rocks, PA
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
9.6 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
13.4 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
16.5 days - Average sunshine days in December:
11.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).
Average UV index
McKees Rocks, 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
McKees Rocks, 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
McKees Rocks, 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).
