Climate and monthly weather forecastEdwardsville, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Edwardsville, Illinois, is another cold winter month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 36.1°F (2.3°C). During the coldest month, January, temperatures average a high of 36.1°F (2.3°C) and a low of 23.4°F (-4.8°C). Weather in January »Weather in February
February, the last month of the winter in Edwardsville, is also an icy month, with temperature in the range of an average low of 27.1°F (-2.7°C) and an average high of 41°F (5°C). Edwardsville, Illinois, records an average high-temperature of a still wintry 41°F (5°C) in February, maintaining a close correlation with January's 36.1°F (2.3°C). Weather in February »Weather in March
March, the first month of the spring in Edwardsville, is a cool month, with an average temperature fluctuating between 53.4°F (11.9°C) and 37.2°F (2.9°C). March's arrival brings a temperature shift, moving from a wintry 41°F (5°C) in February to a cool 53.4°F (11.9°C). Weather in March »Weather in April
April is a refreshing spring month in Edwardsville, Illinois, with an average temperature ranging between min 46.9°F (8.3°C) and max 64.4°F (18°C). April sees a temperature increase, moving from a cool 53.4°F (11.9°C) in March to an enjoyable 64.4°F (18°C). Weather in April »Weather in May
The last month of the spring, May, is a warm month in Edwardsville, Illinois, with an average temperature fluctuating between 74.1°F (23.4°C) and 57°F (13.9°C). An escalation in the average high-temperature is seen with the onset of May, moving from a refreshing 64.4°F (18°C) in April to a warm 74.1°F (23.4°C). Weather in May »Weather in June
June, the first month of the summer in Edwardsville, is still a warm month, with temperature in the range of an average high of 83.1°F (28.4°C) and an average low of 66.2°F (19°C). As May gives way to June, the average high-temperature displays an increase, moving from 74.1°F (23.4°C) to a still warm 83.1°F (28.4°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Edwardsville, Illinois, with an average temperature varying between 85.3°F (29.6°C) and 67.6°F (19.8°C). With average high and low temperatures of 85.3°F (29.6°C) and 67.6°F (19.8°C) respectively, July is Edwardsville's warmest month. The heat index value during July is appraised at a torrid 96.8°F (36°C). Weather in July »Weather in August
August, the last month of the summer in Edwardsville, is also a moderately hot month, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 65.7°F (18.7°C). Edwardsville measures an average high-temperature of a still warm 84°F (28.9°C) in August, nearly consistent with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Edwardsville, is also a moderately hot month, with an average temperature varying between 78.6°F (25.9°C) and 59.4°F (15.2°C). September marks a gentle change in average high-temperature, declining from August's warm 84°F (28.9°C) to a still moderately hot 78.6°F (25.9°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Edwardsville, Illinois, with an average temperature ranging between min 48.7°F (9.3°C) and max 65.3°F (18.5°C). A decrease in the average high-temperature is observed during October, shifting from a warm 78.6°F (25.9°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Edwardsville, Illinois, with temperature in the range of an average high of 52.2°F (11.2°C) and an average low of 37°F (2.8°C). A moderate decline in the average high-temperature is seen during November, decreasing from an enjoyable 65.3°F (18.5°C) in October to a cool 52.2°F (11.2°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Edwardsville, Illinois, with an average temperature fluctuating between 29.8°F (-1.2°C) and 41.4°F (5.2°C). December's onset brings a reduction in the average high-temperature, from a cool 52.2°F (11.2°C) in November to a wintry 41.4°F (5.2°C). Weather in December »Updated: Aug 28, 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
The coldest month in Edwardsville, Illinois, is January, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 23.4°F (-4.8°C).
In Edwardsville, during the entire year, the rain falls for 138 days and collects up to 23.9" (607mm) of precipitation.
January through April, November and December are months with snowfall.
In Edwardsville, during the entire year, snow falls for 18.6 days and aggregates up to 4.53" (115mm) of snow.
The months with the least sunshine are January and February, with an average of 4.5h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the month with the least rainfall in Edwardsville. Rain falls for 6.9 days and accumulates 1.14" (29mm) of precipitation.
The month with the most snowfall is February, when snow falls for 5.4 days and typically aggregates up to 1.61" (41mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
May is the month with the most rainfall. Rain falls for 16.6 days and accumulates 3.07" (78mm) of precipitation.
May through October are months without snowfall.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
The month with the longest days is June, with an average of 14h and 48min of daylight.
June has the most sunshine of the year, with an average of 10.4h of sunshine.
In Edwardsville, temperatures reach their average annual highs in July, measuring 85.3°F (29.6°C) and a minimum average of 67.6°F (19.8°C).
July is the most humid month in Edwardsville, with an average relative humidity of 80%.
With an average relative humidity of 71%, October is the least humid month.
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Edwardsville, IL
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure
Edwardsville, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Edwardsville, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8.1mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Edwardsville, IL
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Edwardsville, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
1.14" - Average rainfall in March:
1.57" - Average rainfall in April:
2.4" - Average rainfall in May:
3.07" - Average rainfall in June:
2.76"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.91" - Average rainfall in September:
1.69" - Average rainfall in October:
1.93" - Average rainfall in November:
1.3" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Edwardsville, IL
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
16.6 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Edwardsville, IL
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Edwardsville, IL
- Average snowfall days in January:
6 days - Average snowfall days in February:
5.4 days - Average snowfall days in March:
2 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Edwardsville, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days
Edwardsville, IL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.1 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
14 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
20.1 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Edwardsville, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Edwardsville, IL
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility
Edwardsville, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
