Climate and monthly weather forecastGlen Carbon, PA
Climate and monthly weather forecast
Weather in January
January, like December, in Glen Carbon, Pennsylvania, is a wintry winter month, with temperature in the range of an average low of 20.1°F (-6.6°C) and an average high of 32.7°F (0.4°C). During the coldest month, January, temperatures average a high of 32.7°F (0.4°C) and a low of 20.1°F (-6.6°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Glen Carbon, Pennsylvania, with an average temperature varying between 36.5°F (2.5°C) and 22.3°F (-5.4°C). February reports an average high-temperature of a still wintry 36.5°F (2.5°C), slightly varied from January's 32.7°F (0.4°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Glen Carbon, Pennsylvania, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 29.7°F (-1.3°C). A slight uplift in the average high-temperature marks March, adjusting from February's icy 36.5°F (2.5°C) to a chilly 45.1°F (7.3°C). Weather in March »Weather in April
April in Glen Carbon, Pennsylvania, is a moderate spring month, with an average temperature fluctuating between 57.4°F (14.1°C) and 39.7°F (4.3°C). The transition to April introduces an increase in the average high-temperature, shifting from a chilly 45.1°F (7.3°C) in March to a refreshing 57.4°F (14.1°C). Weather in April »Weather in May
May, the last month of the spring in Glen Carbon, is an agreeable month, with an average temperature fluctuating between 49.8°F (9.9°C) and 68.4°F (20.2°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a refreshing 57.4°F (14.1°C) to an agreeable 68.4°F (20.2°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Glen Carbon, Pennsylvania, with an average temperature ranging between min 56.8°F (13.8°C) and max 76.1°F (24.5°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from a pleasant 68.4°F (20.2°C) to a warm 76.1°F (24.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Glen Carbon, Pennsylvania, with an average temperature ranging between min 61.7°F (16.5°C) and max 81.3°F (27.4°C). Glen Carbon's July weather reaches an average high of 81.3°F (27.4°C) and an average low of 61.7°F (16.5°C), making it the warmest month. During July, the heat index is computed to be a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Glen Carbon, Pennsylvania, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 60.1°F (15.6°C). The onset of August marks an average high-temperature of a still warm 79.2°F (26.2°C), hardly differing from July's 81.3°F (27.4°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Glen Carbon, Pennsylvania, with an average temperature ranging between max 73°F (22.8°C) and min 53.8°F (12.1°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 79.2°F (26.2°C) in August to a pleasant 73°F (22.8°C). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Glen Carbon, Pennsylvania, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 60.6°F (15.9°C). A moderate decline in the average high-temperature is seen during October, decreasing from a pleasant 73°F (22.8°C) in September to a mild 60.6°F (15.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Glen Carbon, Pennsylvania, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 34°F (1.1°C). The onset of November entails a temperature shift, as the average high-temperature decreases from a moderate 60.6°F (15.9°C) in October to a chilly 47.8°F (8.8°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Glen Carbon, Pennsylvania, with an average temperature varying between 38.8°F (3.8°C) and 27.9°F (-2.3°C). The arrival of December signals a shift in temperature, down from a frosty 47.8°F (8.8°C) in November to an icy 38.8°F (3.8°C). Weather in December »Updated: Aug 31, 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
January, marked by an average high-temperature of 32.7°F (0.4°C) and a low-temperature of 20.1°F (-6.6°C), is the coldest month.
Throughout the year, there are 146 rainfall days, and 26.42" (671mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
In Glen Carbon, during the entire year, snow falls for 23 days and aggregates up to 13.46" (342mm) of snow.
January and February, with an average of 4.4h of sunshine, are months with the least sunshine.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the most humid month, with an average relative humidity of 82%.
The month with the least rainfall is February, when the rain falls for 7.3 days and typically collects 1.69" (43mm) of precipitation.
The month with the most snowfall in Glen Carbon is March, when snow falls for 5.2 days and typically aggregates up to 3.86" (98mm) of snow.
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.
With an average relative humidity of 77%, April is the least humid month.
The month with the most rainfall in Glen Carbon, Pennsylvania, is May, when the rain falls for 17.8 days and typically aggregates up to 3.07" (78mm) of precipitation.
In Glen Carbon, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 0min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July is the month that records the highest temperatures, with averages ranging from a high of 81.3°F (27.4°C) to a low of 61.7°F (16.5°C).
With an average of 10.5h of sunshine, July has the most sunshine of the year.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Glen Carbon, PA
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.7°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Glen Carbon, PA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Glen Carbon, PA
- Average wind speed in January:
8.2mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.5mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.4mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
4.9mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.1mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity
Glen Carbon, PA
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Glen Carbon, PA
- Average rainfall in January:
1.77" - Average rainfall in February:
1.69" - Average rainfall in March:
2.01" - Average rainfall in April:
2.32" - Average rainfall in May:
3.07" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.83" - Average rainfall in August:
2.64" - Average rainfall in September:
1.77" - Average rainfall in October:
2.17" - Average rainfall in November:
2.09" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days
Glen Carbon, PA
- Average rainfall days in January:
5.7 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
15.3 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
14.6 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall
Glen Carbon, PA
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Glen Carbon, PA
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
6.4 days - Average snowfall days in March:
5.2 days - Average snowfall days in April:
0.9 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:
0.2 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
3.1 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Glen Carbon, 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 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - 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:
4h and 24min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 18min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days
Glen Carbon, PA
- Average sunshine days in January:
20.4 days - Average sunshine days in February:
15 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
12.9 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
17 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Glen Carbon, PA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Glen Carbon, PA
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility
Glen Carbon, PA
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
