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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 Carnegie, Pennsylvania, with an average temperature ranging between min 21°F (-6.1°C) and max 33.4°F (0.8°C). The month of January sees the lowest average temperatures, reaching 33.4°F (0.8°C) at the peak and 21°F (-6.1°C) at the low. Weather in January »
Weather in February
February, the last month of the winter in Carnegie, is also an icy month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 37.8°F (3.2°C). In February, the average high-temperature registers at a still icy 37.8°F (3.2°C), nearly identical to 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 Carnegie, Pennsylvania, with an average temperature ranging between max 47.8°F (8.8°C) and min 31.5°F (-0.3°C). As February transitions into March, a change in temperatures is observed, with average highs moving from an icy 37.8°F (3.2°C) to a frosty 47.8°F (8.8°C). Weather in March »
Weather in April
April in Carnegie, Pennsylvania, is a refreshing spring month, with an average temperature varying between 60.6°F (15.9°C) and 41.4°F (5.2°C). April's arrival brings a temperature shift, moving from a chilly 47.8°F (8.8°C) in March to a mild 60.6°F (15.9°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Carnegie, Pennsylvania, with an average temperature fluctuating between 72.3°F (22.4°C) and 51.3°F (10.7°C). An escalation in the average high-temperature is seen with the onset of May, moving from a moderate 60.6°F (15.9°C) in April to a pleasant 72.3°F (22.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Carnegie, Pennsylvania, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 58.3°F (14.6°C). The arrival of June witnesses a small shift in the average high-temperature, moving from a pleasant 72.3°F (22.4°C) in May to a warm 79°F (26.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Carnegie, Pennsylvania, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 83.7°F (28.7°C). Carnegie notes the warmest temperatures in July, with a high average of 83.7°F (28.7°C) and a low of 62.2°F (16.8°C). Throughout July, the heat index is appraised at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Carnegie, is also a moderately hot month, with an average temperature varying between 82.4°F (28°C) and 60.8°F (16°C). With the transition into August, Carnegie notes an average high-temperature of a still warm 82.4°F (28°C), closely resembling July. Weather in August »
Weather in September
September, the first month of the autumn in Carnegie, is still a warm month, with an average temperature ranging between min 55.8°F (13.2°C) and max 75.7°F (24.3°C). As September arrives, Carnegie's weather displays a minor decrease in high-temperatures, transitioning from August's 82.4°F (28°C) to a still warm 75.7°F (24.3°C). Weather in September »
Weather in October
October, like September, in Carnegie, Pennsylvania, is another enjoyable autumn month, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 62.1°F (16.7°C). The arrival of October indicates a decrease in the average high-temperature, moving from a warm 75.7°F (24.3°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Carnegie, Pennsylvania, with an average temperature fluctuating between 49.3°F (9.6°C) and 34.2°F (1.2°C). November's arrival correlates with a reduction in the average high-temperature, down from an enjoyable 62.1°F (16.7°C) in October to a chilly 49.3°F (9.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Carnegie, Pennsylvania, with an average temperature ranging between max 39.7°F (4.3°C) and min 28.4°F (-2°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a frosty 49.3°F (9.6°C) in November to an icy 39.7°F (4.3°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 are the coldest months?
In Carnegie, January records the average lowest temperatures, peaking at 33.4°F (0.8°C) and reaching a low of 21°F (-6.1°C).
How many days does it rain?
Throughout the year, there are 132.6 rainfall days, and 11.5" (292mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
How much does it snow?
Throughout the year, there are 32.5 snowfall days, and 3.66" (93mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3h of sunshine.
What is the most humid month?
With an average relative humidity of 85%, February is the most humid month.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 0.98" (25mm) 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.
When it does not snow in Carnegie?
May through October are months without snowfall.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What is the month with the highest UV index in Carnegie?
The months with the highest UV index in Carnegie are June through August, with an average maximum UV index of 6.
What part of the year is the hottest?
In Carnegie, the peak temperatures are generally noted in July, averaging a high of 83.7°F (28.7°C) and a low of 62.2°F (16.8°C).
What is the least humid month?
July and August, with an average relative humidity of 75%, are the least humid months.
What is the wettest month?
July is the month with the most rainfall. Rain falls for 15.6 days and accumulates 1.34" (34mm) of precipitation.
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 7.7 days and typically collects 0.67" (17mm) 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.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Carnegie, PA
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Carnegie, 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
Carnegie, PA
- Average wind speed in January:
7.9mph - 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:
4.7mph - 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 (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity
Carnegie, 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
Carnegie, PA
- Average rainfall in January:
0.71" - Average rainfall in February:
0.79" - Average rainfall in March:
0.83" - Average rainfall in April:
1.22" - Average rainfall in May:
1.22" - Average rainfall in June:
1.26"
- Average rainfall in July:
1.34" - Average rainfall in August:
0.98" - Average rainfall in September:
0.79" - Average rainfall in October:
0.83" - Average rainfall in November:
0.67" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days
Carnegie, PA
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall
Carnegie, PA
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Carnegie, PA
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5 days - Average snowfall days in April:
1.3 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:
2.5 days - Average snowfall days in December:
6.4 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Carnegie, 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:
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 3min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 3min - 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
Carnegie, PA
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
15 days - Average sunshine days in May:
12.2 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
12.7 days - Average sunshine days in August:
14.1 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (12.2 days).
Average UV index
Carnegie, 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
Carnegie, PA
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility
Carnegie, 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).
Carnegie, Pennsylvania, USA
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