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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, the same as December, in Gilman, Illinois, is another subzero cold winter month, with an average temperature varying between 30.7°F (-0.7°C) and 18.7°F (-7.4°C). January stands out as Gilman's coldest month, with temperatures ranging between an average high of 30.7°F (-0.7°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 Gilman, is a cold month, with an average temperature ranging between min 22.3°F (-5.4°C) and max 35.1°F (1.7°C). In February, Gilman experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 30.7°F (-0.7°C) in January to a cold 35.1°F (1.7°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Gilman, Illinois, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 33.4°F (0.8°C). March's arrival brings a temperature shift, moving from a wintry 35.1°F (1.7°C) in February to a chilly 47.8°F (8.8°C). Weather in March »
Weather in April
April in Gilman, Illinois, is a refreshing spring month, with an average temperature ranging between max 59.5°F (15.3°C) and min 43.7°F (6.5°C). A shift in the average high-temperature is noticeable in April, changing from a chilly 47.8°F (8.8°C) in March to a moderate 59.5°F (15.3°C). Weather in April »
Weather in May
May, the last month of the spring in Gilman, is an agreeable month, with an average temperature fluctuating between 71.4°F (21.9°C) and 54.9°F (12.7°C). May's onset brings a rise in the average high-temperature, moving from a moderate 59.5°F (15.3°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »
Weather in June
June, the first month of the summer in Gilman, is a moderately hot month, with an average temperature varying between 62.8°F (17.1°C) and 79.3°F (26.3°C). As June begins, there's a slight increase in the average high-temperature, moving from an agreeable 71.4°F (21.9°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Gilman, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 81°F (27.2°C) and 64.4°F (18°C). Gilman records the warmest temperatures in July, averaging a high of 81°F (27.2°C) and a low of 64.4°F (18°C). The average heat index in July is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Gilman, is another warm month, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 79.9°F (26.6°C). With the advent of August, Gilman's high-temperatures adjust to a still moderately hot 79.9°F (26.6°C), closely aligning with the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Gilman, Illinois, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 57.2°F (14°C). Gilman experiences a recorded average high-temperature of a still warm 75.2°F (24°C) in September, closely aligned with August's 79.9°F (26.6°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Gilman, Illinois, with temperature in the range of an average low of 46.8°F (8.2°C) and an average high of 62.2°F (16.8°C). Gilman's progression into October involves a drop in the average high-temperature, receding from a warm 75.2°F (24°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Gilman, Illinois, with an average temperature fluctuating between 47.8°F (8.8°C) and 34.9°F (1.6°C). Gilman's November weather is characterized by a distinct downswing in high-temperatures, falling from October's comfortable 62.2°F (16.8°C) to a frosty 47.8°F (8.8°C). Weather in November »
Weather in December
December, the first month of the winter in Gilman, is also an icy month, with an average temperature fluctuating between 26.2°F (-3.2°C) and 36.5°F (2.5°C). Stepping into December, Gilman observes a temperature decline, with the average high falling from November's chilly 47.8°F (8.8°C) to a cold 36.5°F (2.5°C). Weather in December »
Updated: Jul 16, 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 is the coldest time of year?
Gilman's coldest month, January, generally records average temperatures ranging from a high of 30.7°F (-0.7°C) to a low of 18.7°F (-7.4°C).
What is the driest month?
The months with the least rainfall are January, February and December Rain falls for 5.5 days and accumulates 0.91" (23mm) of rain.
How many days does it rain?
Throughout the year, there are 130.7 rainfall days, and 17.13" (435mm) of precipitation is accumulated.
When does it snow?
January through April, November and December are months with snowfall.
How many days does it snow in Gilman?
In Gilman, Illinois, during the entire year, snow falls for 30.7 days and aggregates up to 8.19" (208mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 3.8h of sunshine.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 7.6 days and typically aggregates up to 2.24" (57mm) 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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Gilman?
The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 2.44" (62mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What month has the most sunshine?
With an average of 9.9h of sunshine, June has the most sunshine of the year.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year?
During the warmest month in Gilman, July, temperatures average a high of 81°F (27.2°C) and a low of 64.4°F (18°C).
What is the most humid month?
July is the most humid month, with an average relative humidity of 85%.
What is the least humid month in Gilman?
October is the least humid month, with an average relative humidity of 71%.
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.
When is the lowest UV index?
The month with the lowest UV index is December, with an average maximum UV index of 1.
Average temperature
Gilman, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure
Gilman, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Gilman, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Gilman, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Gilman, IL
- Average rainfall in January:
0.91" - Average rainfall in February:
0.91" - Average rainfall in March:
1.46" - Average rainfall in April:
1.93" - Average rainfall in May:
2.44" - Average rainfall in June:
1.89"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").
Average rainfall days
Gilman, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.5 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
13.9 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.3 days - Average rainfall days in December:
7.1 days
The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).
Average snowfall
Gilman, IL
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Gilman, IL
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.6 days - Average snowfall days in March:
4.1 days - Average snowfall days in April:
0.8 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:
0.2 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Gilman, IL
- 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 4min - 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 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Gilman, IL
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
18.4 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 June (11.4 days).
Average UV index
Gilman, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Gilman, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility
Gilman, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Gilman, Illinois, USA
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