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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 Augusta, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 19°F (-7.2°C) and 31.1°F (-0.5°C). January, noted for its average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 19°F (-7.2°C), is considered the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Augusta, is a wintry month, with an average temperature fluctuating between 22.5°F (-5.3°C) and 36.1°F (2.3°C). The ushering in of February brings an average high-temperature of a cold 36.1°F (2.3°C), closely mirroring the 31.1°F (-0.5°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Augusta, is a chilly month, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 34.3°F (1.3°C). The arrival of March brings an increase in high-temperatures, moving from an icy 36.1°F (2.3°C) in February to a chilly 49.6°F (9.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Augusta, Illinois, with an average temperature ranging between min 44.2°F (6.8°C) and max 61.3°F (16.3°C). With the onset of April, Augusta sees a temperature rise, with the average high-temperature moving from March's frosty 49.6°F (9.8°C) to a comfortable 61.3°F (16.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Augusta, Illinois, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 54.9°F (12.7°C). The start of May brings a rise in the average high-temperature, moving from a refreshing 61.3°F (16.3°C) in April to a pleasant 71.6°F (22°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Augusta, Illinois, with an average temperature ranging between max 80.4°F (26.9°C) and min 63.7°F (17.6°C). As May gives way to June, the average high-temperature displays a slight ascent, adjusting from an agreeable 71.6°F (22°C) to a moderately hot 80.4°F (26.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Augusta, Illinois, with an average temperature varying between 66.2°F (19°C) and 82.6°F (28.1°C). Augusta's July weather reaches an average high of 82.6°F (28.1°C) and an average low of 66.2°F (19°C), making it the warmest month. In July, the heat index is appraised at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Augusta, is another warm month, with an average temperature varying between 63.7°F (17.6°C) and 82°F (27.8°C). The initiation of August records an average high-temperature of a still moderately hot 82°F (27.8°C), displaying a near consistency with the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Augusta, Illinois, with an average temperature ranging between max 76.8°F (24.9°C) and min 57.6°F (14.2°C). September begins with an average high-temperature of a still warm 76.8°F (24.9°C), reflecting close similarity to the preceding month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Augusta, Illinois, with an average temperature fluctuating between 46°F (7.8°C) and 63°F (17.2°C). In October, the average high-temperature goes from a warm 76.8°F (24.9°C) in September to an enjoyable 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Augusta, Illinois, with an average temperature varying between 34.7°F (1.5°C) and 49.1°F (9.5°C). In the transition to November, Augusta observes a drop in the average high-temperature, moving from a refreshing 63°F (17.2°C) in October to a frosty 49.1°F (9.5°C). Weather in November »
Weather in December
December, the first month of the winter in Augusta, is still a cold month, with an average temperature ranging between min 25.9°F (-3.4°C) and max 37°F (2.8°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's frosty 49.1°F (9.5°C) to a wintry 37°F (2.8°C). Weather in December »
Updated: Aug 13, 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 are the coldest months?
In Augusta, the average lowest temperatures are observed in January, with a high of 31.1°F (-0.5°C) and a low of 19°F (-7.2°C).
How many days does it rain?
In Augusta, during the entire year, the rain falls for 94.4 days and collects up to 7.76" (197mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 6.3 days and typically aggregates up to 0.67" (17mm) of snow.
How many days does it snow?
In Augusta, during the entire year, snow falls for 20.5 days and aggregates up to 2.44" (62mm) of snow.
What is the month with the least sunshine?
With an average of 4.1h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January is the month with the lowest UV index, with an average maximum UV index of 1.
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 rainiest month?
The month with the most rainfall is May, when the rain falls for 12.3 days and typically aggregates up to 1.1" (28mm) of precipitation.
When it does not snow?
In Augusta, snow does not fall in May through September.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What is the month with the most sunshine?
June and July, with an average of 10.2h 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 through August, with an average maximum UV index of 6.
What time of the year is the hottest?
July is Augusta's warmest month, registering average high temperatures of 82.6°F (28.1°C) and lows of 66.2°F (19°C).
What is the most humid month in Augusta?
With an average relative humidity of 83%, July is the most humid month.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 4.3 days and accumulates 0.35" (9mm) of precipitation.
What is the month with the shortest days?
With an average of 9h and 24min of daylight, December has the shortest days of the year.
Average temperature
Augusta, IL
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (31.1°F).
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure
Augusta, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Augusta, IL
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.2mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Augusta, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Augusta, IL
- Average rainfall in January:
0.39" - Average rainfall in February:
0.39" - Average rainfall in March:
0.59" - Average rainfall in April:
0.79" - Average rainfall in May:
1.1" - Average rainfall in June:
0.83"
- Average rainfall in July:
0.67" - Average rainfall in August:
0.59" - Average rainfall in September:
0.87" - Average rainfall in October:
0.71" - Average rainfall in November:
0.47" - Average rainfall in December:
0.35"
The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days
Augusta, IL
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
10.9 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
10 days - Average rainfall days in August:
8.9 days - Average rainfall days in September:
7.7 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
4.3 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall
Augusta, IL
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Augusta, IL
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.7 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.7 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:
0.3 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
3.7 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
Augusta, 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 2min - Average daylight in June:
15h and 0min
- 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 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Augusta, IL
- Average sunshine days in January:
22.8 days - Average sunshine days in February:
20.5 days - Average sunshine days in March:
19.8 days - Average sunshine days in April:
17.5 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
18.2 days - Average sunshine days in September:
20.4 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
21.8 days - Average sunshine days in December:
23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is June (13.9 days).
Average UV index
Augusta, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Augusta, IL
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Augusta, 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).
Augusta, Illinois, USA
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