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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
Climate and monthly weather forecast
Weather in January
January, the same as December, in Edwardsville, Pennsylvania, is a freezing cold winter month, with an average temperature ranging between max 30.6°F (-0.8°C) and min 18.7°F (-7.4°C). January tends to be the coldest month, with temperatures averaging a daily high of 30.6°F (-0.8°C) and a low of 18.7°F (-7.4°C). Weather in January »
Weather in February
February, the last month of the winter in Edwardsville, is a cold month, with temperature in the range of an average high of 34.5°F (1.4°C) and an average low of 20.8°F (-6.2°C). Entering February, Edwardsville's average high-temperature reads an icy 34.5°F (1.4°C), indicating a close resemblance to the previous month's climate. Weather in February »
Weather in March
March, the first month of the spring in Edwardsville, is a chilly month, with an average temperature fluctuating between 27.3°F (-2.6°C) and 43°F (6.1°C). The arrival of March witnesses a small shift in the average high-temperature, moving from a cold 34.5°F (1.4°C) in February to a frosty 43°F (6.1°C). Weather in March »
Weather in April
April in Edwardsville, Pennsylvania, is a refreshing spring month, with an average temperature varying between 55.4°F (13°C) and 37.4°F (3°C). Edwardsville's weather in April shows a rise in the average high-temperature, moving up from March's frosty 43°F (6.1°C) to a moderate 55.4°F (13°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Edwardsville, Pennsylvania, with an average temperature ranging between min 48°F (8.9°C) and max 67.6°F (19.8°C). Edwardsville, Pennsylvania, in May sees a temperature change, with average high-temperatures moving from a refreshing 55.4°F (13°C) in April to an enjoyable 67.6°F (19.8°C). Weather in May »
Weather in June
June, the first month of the summer in Edwardsville, is a moderately hot month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 54.5°F (12.5°C). June's arrival signals a subtle increase in average high-temperatures, moving from May's refreshing 67.6°F (19.8°C) to a warm 75.2°F (24°C). Weather in June »
Weather in July
July, like June, in Edwardsville, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 59.2°F (15.1°C) and 80.8°F (27.1°C). In Edwardsville, the month of July is known for its highest average temperatures, reaching a high of 80.8°F (27.1°C) and a low of 59.2°F (15.1°C). July's heat index is evaluated at a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Edwardsville, Pennsylvania, with an average temperature fluctuating between 78.3°F (25.7°C) and 57.6°F (14.2°C). Edwardsville notes an average high-temperature of a still moderately hot 78.3°F (25.7°C) in August, displaying minor variation from July. Weather in August »
Weather in September
September, the first month of the autumn in Edwardsville, is also an agreeable month, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 71.4°F (21.9°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 78.3°F (25.7°C) to a pleasant 71.4°F (21.9°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Edwardsville, Pennsylvania, with an average temperature varying between 59°F (15°C) and 42.8°F (6°C). Edwardsville's progression into October involves a drop in the average high-temperature, receding from a pleasant 71.4°F (21.9°C) in September to a refreshing 59°F (15°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Edwardsville, Pennsylvania, with an average temperature fluctuating between 32.5°F (0.3°C) and 46.2°F (7.9°C). The arrival of November signals a shift in temperature, down from a refreshing 59°F (15°C) in October to a frosty 46.2°F (7.9°C). Weather in November »
Weather in December
December, the first month of the winter in Edwardsville, is still a cold month, with an average temperature ranging between min 25.9°F (-3.4°C) and max 36.9°F (2.7°C). As November shifts into December, a slight alteration in temperatures is observed, with average highs reducing from a frosty 46.2°F (7.9°C) to an icy 36.9°F (2.7°C). Weather in December »
Updated: Jul 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
What month is the coldest?
The coldest temperatures occur during January, when averages reach a peak of 30.6°F (-0.8°C) and a low of 18.7°F (-7.4°C).
How much does it rain?
In Edwardsville, during the entire year, the rain falls for 142.7 days and collects up to 13.19" (335mm) of precipitation.
When does it snow?
Months with snowfall in Edwardsville are January through May, October through December.
How many days does it snow?
In Edwardsville, during the entire year, snow falls for 49.9 days and aggregates up to 9.92" (252mm) of snow.
What are the months with the least sunshine?
The months with the least sunshine are January and February, with an average of 3.7h of sunshine.
What are the most humid months?
February and December, with an average relative humidity of 84%, are most humid months.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 11.5 days and accumulates 2.83" (72mm) 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.
What is the least humid month?
With an average relative humidity of 77%, April is the least humid month.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 5, are months with the highest UV index.
When it does not snow?
June through September are months without snowfall.
When are the longest days in Edwardsville?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What are the warmest months?
Edwardsville witnesses the warmest weather in July, with temperatures averaging a high of 80.8°F (27.1°C) and a low of 59.2°F (15.1°C).
What is the wettest month?
July is the month with the most rainfall. Rain falls for 15.2 days and accumulates 1.5" (38mm) of precipitation.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.2h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 9.9 days and typically collects 0.71" (18mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, 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
Edwardsville, PA
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Edwardsville, PA
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.98"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:
30.07"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Edwardsville, PA
- Average wind speed in January:
8mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.1mph - Average wind speed in May:
6.5mph - Average wind speed in June:
6.1mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.8mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.2mph - Average wind speed in December:
7.6mph
The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Edwardsville, PA
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Edwardsville, PA
- Average rainfall in January:
0.91" - Average rainfall in February:
0.91" - Average rainfall in March:
1.06" - Average rainfall in April:
1.1" - Average rainfall in May:
1.18" - Average rainfall in June:
1.22"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.46" - Average rainfall in September:
0.71" - Average rainfall in October:
1.14" - Average rainfall in November:
1.02" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days
Edwardsville, PA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
11.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Edwardsville, PA
- Average snowfall in January:
2.28" - Average snowfall in February:
2.83" - Average snowfall in March:
1.38" - Average snowfall in April:
0.28" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Edwardsville, PA
- Average snowfall days in January:
13.7 days - Average snowfall days in February:
11.5 days - Average snowfall days in March:
7.6 days - Average snowfall days in April:
2.5 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:
0.1 days - Average snowfall days in November:
4.3 days - Average snowfall days in December:
10 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Edwardsville, 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 3min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days
Edwardsville, PA
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
11.6 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
12 days - Average sunshine days in May:
13.2 days - Average sunshine days in June:
12.7 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
15 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
13.7 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (11.6 days).
Average UV index
Edwardsville, PA
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Edwardsville, PA
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility
Edwardsville, PA
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).