Climate and monthly weather forecastEast Gillespie, IL
Climate and monthly weather forecast
Weather in January
January, like December, in East Gillespie, Illinois, is another cold winter month, with an average temperature fluctuating between 22.6°F (-5.2°C) and 35.6°F (2°C). The coldest temperatures occur during January, when averages reach a peak of 35.6°F (2°C) and a low of 22.6°F (-5.2°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in East Gillespie, Illinois, with an average temperature ranging between max 40.6°F (4.8°C) and min 26.4°F (-3.1°C). East Gillespie greets February with an average high-temperature of a still cold 40.6°F (4.8°C), marking a slight deviation from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a cool month in East Gillespie, Illinois, with an average temperature varying between 36.9°F (2.7°C) and 52.3°F (11.3°C). March shows a rise in the average high-temperature, moving from February's cold 40.6°F (4.8°C) to a fresh 52.3°F (11.3°C). Weather in March »Weather in April
April is an enjoyable spring month in East Gillespie, Illinois, with an average temperature ranging between min 46.6°F (8.1°C) and max 63.9°F (17.7°C). April's onset brings a temperature rise, moving from a fresh 52.3°F (11.3°C) in March to an enjoyable 63.9°F (17.7°C). Weather in April »Weather in May
May, the last month of the spring in East Gillespie, is a warm month, with an average temperature ranging between max 73.9°F (23.3°C) and min 56.7°F (13.7°C). May's arrival sees a rise in the average high-temperature, jumping from April's refreshing 63.9°F (17.7°C) to a moderately hot 73.9°F (23.3°C). Weather in May »Weather in June
June, the first month of the summer in East Gillespie, is still a warm month, with an average temperature varying between 82.2°F (27.9°C) and 65.5°F (18.6°C). The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from a warm 73.9°F (23.3°C) to a still moderately hot 82.2°F (27.9°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in East Gillespie, Illinois, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 67.5°F (19.7°C). July is the warmest month of the year, registering average temperatures as high as 84.2°F (29°C) and as low as 67.5°F (19.7°C). Throughout July, the heat index is evaluated at a fiery hot 95°F (35°C). Weather in July »Weather in August
August, the last month of the summer in East Gillespie, is also a moderately hot month, with temperature in the range of an average low of 65.5°F (18.6°C) and an average high of 82.9°F (28.3°C). East Gillespie's August average high-temperature settles at a still moderately hot 82.9°F (28.3°C), showing a near match with the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in East Gillespie, Illinois, with an average temperature fluctuating between 77.9°F (25.5°C) and 59.4°F (15.2°C). East Gillespie records an average high-temperature of a still moderately hot 77.9°F (25.5°C) in September, closely mirroring the climate of the previous month. Weather in September »Weather in October
October, like September, in East Gillespie, Illinois, is another refreshing autumn month, with an average temperature varying between 65.3°F (18.5°C) and 48.4°F (9.1°C). As East Gillespie enters October, the average high-temperature decreases from the a warm 77.9°F (25.5°C) of September to an enjoyable 65.3°F (18.5°C). Weather in October »Weather in November
November, the last month of the autumn in East Gillespie, is also a fresh month, with an average temperature varying between 36.9°F (2.7°C) and 51.6°F (10.9°C). The onset of November is marked by a decrease in temperature, transitioning from a comfortable 65.3°F (18.5°C) in October to a fresh 51.6°F (10.9°C). Weather in November »Weather in December
December, the first month of the winter in East Gillespie, is still a cold month, with temperature in the range of an average low of 29.1°F (-1.6°C) and an average high of 40.3°F (4.6°C). December brings a decrease in the average high-temperature, shifting from a cool 51.6°F (10.9°C) in November to a wintry 40.3°F (4.6°C). Weather in December »Updated: Jul 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
In East Gillespie, January registers the lowest temperatures, averaging 35.6°F (2°C) at the peak and 22.6°F (-5.2°C) at the lowest.
In East Gillespie, during the entire year, the rain falls for 121.4 days and collects up to 14.72" (374mm) of precipitation.
Months with snowfall are January through March, November and December.
Throughout the year, there are 19.8 snowfall days, and 2.91" (74mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.4h 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. Rain falls for 5.9 days and accumulates 0.67" (17mm) of precipitation.
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.
In East Gillespie, snow does not fall in April through October.
The month with the most rainfall is June, when the rain falls for 13.4 days and typically aggregates up to 1.89" (48mm) of precipitation.
June has the longest days of the year in East Gillespie, Illinois, with an average of 14h and 54min of daylight.
The months with the most sunshine are June and July, with an average of 10.3h of sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
In East Gillespie, the peak average temperatures are observed in July, with a high of 84.2°F (29°C) and a low of 67.5°F (19.7°C).
July is the most humid month, with an average relative humidity of 81%.
The least humid month is October, with an average relative humidity of 71%.
December is the month with the most snowfall. Snow falls for 3.8 days and accumulates 0.98" (25mm) of snow.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
East Gillespie, IL
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure
East Gillespie, 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
East Gillespie, IL
- Average wind speed in January:
10mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.6mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.4mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.2mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity
East Gillespie, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
East Gillespie, IL
- Average rainfall in January:
1.02" - Average rainfall in February:
0.67" - Average rainfall in March:
1.02" - Average rainfall in April:
1.57" - Average rainfall in May:
1.81" - Average rainfall in June:
1.89"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days
East Gillespie, IL
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
8.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
East Gillespie, IL
The month with the highest snowfall is December (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
East Gillespie, IL
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.5 days - Average snowfall days in March:
2.5 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:
1.3 days - Average snowfall days in December:
3.8 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
East Gillespie, 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 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 30min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 18min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 54min - 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 months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
East Gillespie, IL
- Average sunshine days in January:
20.9 days - Average sunshine days in February:
17.2 days - Average sunshine days in March:
17 days - Average sunshine days in April:
14.6 days - Average sunshine days in May:
13.6 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.5 days).
Average UV index
East Gillespie, IL
The months with the highest UV index are 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
East Gillespie, IL
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility
East Gillespie, 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).
