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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, like December, in Gillespie, Illinois, is another cold winter month, with an average temperature varying between 35.6°F (2°C) and 22.6°F (-5.2°C). Gillespie's January weather, with an average high temperature of 35.6°F (2°C) and an average low temperature of 22.6°F (-5.2°C), tends to be the coldest of the year. Weather in January »
Weather in February
February, the last month of the winter in Gillespie, is also an icy month, with temperature in the range of an average high of 40.6°F (4.8°C) and an average low of 26.4°F (-3.1°C). The average high-temperature is a still cold 40.6°F (4.8°C) in February, hardly different from the 35.6°F (2°C) recorded in January. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Gillespie, Illinois, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 36.9°F (2.7°C). The transition from February to March brings a temperature rise, with average high-temperatures increasing from an icy 40.6°F (4.8°C) to a fresh 52.3°F (11.3°C). Weather in March »
Weather in April
April in Gillespie, Illinois, is an enjoyable spring month, with an average temperature fluctuating between 46.6°F (8.1°C) and 63.9°F (17.7°C). Gillespie, Illinois, experiences a temperature shift with the start of April, with average high-temperatures moving from a cool 52.3°F (11.3°C) in March to a comfortable 63.9°F (17.7°C). Weather in April »
Weather in May
May, the last month of the spring in Gillespie, is a moderately hot month, with an average temperature fluctuating between 56.7°F (13.7°C) and 73.9°F (23.3°C). With the onset of May, Gillespie's average high-temperature experiences a rise, moving from April's enjoyable 63.9°F (17.7°C) to a warm 73.9°F (23.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Gillespie, Illinois, with an average temperature ranging between max 82.2°F (27.9°C) and min 65.5°F (18.6°C). With the beginning of June, Gillespie's average high-temperature sees a minor increase, transitioning from a warm 73.9°F (23.3°C) in May to a still moderately hot 82.2°F (27.9°C). Weather in June »
Weather in July
July, like June, in Gillespie, Illinois, is another warm summer month, with temperature in the range of an average low of 67.5°F (19.7°C) and an average high of 84.2°F (29°C). In Gillespie, the peak temperatures are generally noted in July, averaging a high of 84.2°F (29°C) and a low of 67.5°F (19.7°C). The heat index value for July is appraised at a very hot 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Gillespie, Illinois, with an average temperature fluctuating between 65.5°F (18.6°C) and 82.9°F (28.3°C). Gillespie, Illinois, records an average high-temperature of a still moderately hot 82.9°F (28.3°C) in August, maintaining a close correlation with July's 84.2°F (29°C). Weather in August »
Weather in September
September, the first month of the autumn in Gillespie, is still a warm month, with an average temperature fluctuating between 77.9°F (25.5°C) and 59.4°F (15.2°C). With September's arrival, Gillespie's weather records an average high-temperature of a still warm 77.9°F (25.5°C), marking little difference from August's 82.9°F (28.3°C). Weather in September »
Weather in October
October, like September, in Gillespie, Illinois, is another comfortable autumn month, with an average temperature ranging between max 65.3°F (18.5°C) and min 48.4°F (9.1°C). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 77.9°F (25.5°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Gillespie, is another cool month, with an average temperature ranging between min 36.9°F (2.7°C) and max 51.6°F (10.9°C). In Gillespie, the average high-temperature in November drops from a refreshing 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 Gillespie, is also an icy 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). In Gillespie, the average high-temperature in December drops from a cool 51.6°F (10.9°C) in November to an icy 40.3°F (4.6°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Gillespie?
Gillespie's temperature records reveal January as the coldest month, marked by average highs of 35.6°F (2°C) and lows of 22.6°F (-5.2°C).
How much does it rain in Gillespie?
In Gillespie, during the entire year, the rain falls for 121.4 days and collects up to 14.72" (374mm) of precipitation.
When does it snow in Gillespie?
January through March, November and December are months with snowfall in Gillespie.
How many days does it snow in Gillespie?
Throughout the year, there are 19.8 snowfall days, and 2.91" (74mm) of snow is accumulated.
What is the month with the least sunshine in Gillespie?
With an average of 4.4h of sunshine, January has the least sunshine of the year in Gillespie, Illinois.
What are the months with the lowest UV index in Gillespie?
The months with the lowest UV index in Gillespie, Illinois, are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Gillespie?
The month with the least rainfall is February, when the rain falls for 5.9 days and typically collects 0.67" (17mm) of precipitation.
When is Daylight Saving Time (DST) in Gillespie?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Gillespie, 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.
When it does not snow in Gillespie?
In Gillespie, Illinois, snow does not fall in April through October.
What is the wettest month in Gillespie?
June is the month with the most rainfall in Gillespie. Rain falls for 13.4 days and accumulates 1.89" (48mm) of precipitation.
When are the longest days in Gillespie?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What is the month with the most sunshine in Gillespie?
The months with the most sunshine are June and July, with an average of 10.3h of sunshine.
What are the months with the highest UV index in Gillespie?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What part of the year is the hottest in Gillespie?
With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 67.5°F (19.7°C), July is the warmest month in Gillespie.
What is the most humid month in Gillespie?
July is the most humid month in Gillespie, with an average relative humidity of 81%.
What is the least humid month in Gillespie?
October is the least humid month, with an average relative humidity of 71%.
What is the snowiest month in Gillespie?
December is the month with the most snowfall in Gillespie. Snow falls for 3.8 days and accumulates 0.98" (25mm) of snow.
What is the month with the shortest days in Gillespie?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Gillespie.
Average temperature
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
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
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
Gillespie, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
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
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
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
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
Gillespie, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - 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:
14h and 5min
- 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:
10h and 0min - Average daylight in December:
9h and 3min
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 2min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
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
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
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
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
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).
Gillespie, Illinois, USA
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