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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, is another subzero cold winter month in Graymont, Illinois, with an average temperature ranging between max 30.2°F (-1°C) and min 18.5°F (-7.5°C). In Graymont, Illinois, the lowest average temperatures are observed in January, with a high of 30.2°F (-1°C) and a low of 18.5°F (-7.5°C). Weather in January »
Weather in February
February, the last month of the winter in Graymont, is an icy month, with temperature in the range of an average low of 21.7°F (-5.7°C) and an average high of 34.9°F (1.6°C). The average high-temperature in February, at an icy 34.9°F (1.6°C), reveals a modest deviation from January's 30.2°F (-1°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Graymont, Illinois, with an average temperature ranging between max 47.5°F (8.6°C) and min 33.4°F (0.8°C). The arrival of March signals an increase in the average high-temperature, moving from a cold 34.9°F (1.6°C) in February to a chilly 47.5°F (8.6°C). Weather in March »
Weather in April
April in Graymont, Illinois, is a moderate spring month, with an average temperature varying between 43.7°F (6.5°C) and 59.7°F (15.4°C). As March transitions into April, a change in temperatures is observed, with average highs moving from a chilly 47.5°F (8.6°C) to a mild 59.7°F (15.4°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Graymont, Illinois, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 54.7°F (12.6°C). In May, the average high-temperature increases from a mild 59.7°F (15.4°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Graymont, Illinois, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.4°F (16.9°C). As June begins, there's a slight increase in the average high-temperature, moving from an agreeable 71.2°F (21.8°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Graymont, Illinois, with an average temperature ranging between min 64.6°F (18.1°C) and max 81°F (27.2°C). The month of July sees the highest average temperatures, reaching 81°F (27.2°C) at the peak and 64.6°F (18.1°C) at the low. In July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Graymont, Illinois, with an average temperature varying between 62.4°F (16.9°C) and 80.1°F (26.7°C). As July turns into August, the average high-temperatures rest at a still warm 80.1°F (26.7°C), showing a minor variation from the prior month. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Graymont, Illinois, with an average temperature fluctuating between 75.6°F (24.2°C) and 57°F (13.9°C). The start of September sees the average high-temperature at a still warm 75.6°F (24.2°C), showing little difference from August's 80.1°F (26.7°C). Weather in September »
Weather in October
October, like September, in Graymont, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 46.6°F (8.1°C) and 62.2°F (16.8°C). As Graymont enters October, the average high-temperature decreases from the a moderately hot 75.6°F (24.2°C) of September to a refreshing 62.2°F (16.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Graymont, is another chilly month, with an average temperature ranging between max 47.5°F (8.6°C) and min 34.9°F (1.6°C). The shift into November is characterized by a noticeable reduction in the average high-temperature, decreasing from October's enjoyable 62.2°F (16.8°C) to a frosty 47.5°F (8.6°C). Weather in November »
Weather in December
December, the first month of the winter in Graymont, is still a cold month, with an average temperature fluctuating between 36.5°F (2.5°C) and 25.9°F (-3.4°C). The beginning of December involves a decrease in the average high-temperature, transitioning from a frosty 47.5°F (8.6°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Jul 19, 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 part of the year is the coldest?
The coldest period tends to be January, when average temperatures fluctuate between a high of 30.2°F (-1°C) and a low of 18.5°F (-7.5°C).
What is the driest month in Graymont?
The months with the least rainfall are January and February Rain falls for 4.3 days and accumulates 0.71" (18mm) of rain.
How much does it rain?
Throughout the year, there are 125.3 rainfall days, and 15.71" (399mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 10.2 days and accumulates 1.73" (44mm) of snow.
How much does it snow?
In Graymont, during the entire year, snow falls for 30.6 days and aggregates up to 6.93" (176mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
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?
May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.44" (62mm) of precipitation.
When it does not snow?
May through September are months without snowfall in Graymont.
When are the longest days?
June has the longest days of the year in Graymont, with an average of 15h and 6min of daylight.
What are the months with the most sunshine?
June and August, with an average of 9.8h of sunshine, are months with the most sunshine.
What is the month with the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 6.
What part of the year is the hottest?
Graymont's temperatures tend to reach their peak averages in July, with a high of 81°F (27.2°C) and a low of 64.6°F (18.1°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?
The least humid month is October, 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.
What is the month with the lowest UV index?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
Graymont, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.2°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Graymont, 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:
29.94"Hg - Average pressure in May:
29.96"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:
30.03"Hg - Average pressure in October:
30.01"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
Graymont, IL
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Graymont, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Graymont, IL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.71" - Average rainfall in March:
1.18" - Average rainfall in April:
1.77" - Average rainfall in May:
2.44" - Average rainfall in June:
1.93"
- Average rainfall in July:
1.81" - Average rainfall in August:
1.3" - Average rainfall in September:
1.06" - Average rainfall in October:
1.26" - Average rainfall in November:
0.79" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days
Graymont, IL
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.7 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
13 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall
Graymont, IL
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Graymont, IL
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
7.2 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:
1.8 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Graymont, 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 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 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 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Graymont, IL
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
16.7 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
14 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
14.4 days - Average sunshine days in September:
17.8 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Graymont, 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
Graymont, IL
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Graymont, 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).
Graymont, Illinois, USA
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