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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, is an icy winter month in Pontoon Beach, Illinois, with an average temperature varying between 37.2°F (2.9°C) and 24.3°F (-4.3°C). January, characterized by an average high temperature of 37.2°F (2.9°C) and a low temperature of 24.3°F (-4.3°C), is generally the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Pontoon Beach, is also an icy month, with an average temperature varying between 42.3°F (5.7°C) and 27.5°F (-2.5°C). The shift into February finds Pontoon Beach at an average high-temperature of a still icy 42.3°F (5.7°C), closely comparable to January's conditions. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Pontoon Beach, Illinois, with an average temperature fluctuating between 37.9°F (3.3°C) and 54.1°F (12.3°C). An upsurge in temperatures occurs as February gives way to March, with average highs shifting from a wintry 42.3°F (5.7°C) to a fresh 54.1°F (12.3°C). Weather in March »
Weather in April
April in Pontoon Beach, Illinois, is an enjoyable spring month, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 65.1°F (18.4°C). April's arrival signals an increase in average high-temperatures, moving from March's cool 54.1°F (12.3°C) to a comfortable 65.1°F (18.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Pontoon Beach, Illinois, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 74.7°F (23.7°C). May's onset witnesses a shift in the average high-temperature, moving from a comfortable 65.1°F (18.4°C) in April to a moderately hot 74.7°F (23.7°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Pontoon Beach, Illinois, with an average temperature fluctuating between 83.8°F (28.8°C) and 66.7°F (19.3°C). With the onset of June, Pontoon Beach sees a temperature rise, with the average high-temperature moving from May's 74.7°F (23.7°C) to a still moderately hot 83.8°F (28.8°C). Weather in June »
Weather in July
July in Pontoon Beach, Illinois, is a hot summer month, with temperature in the range of an average high of 86.2°F (30.1°C) and an average low of 68.5°F (20.3°C). With its high average temperature of 86.2°F (30.1°C) and a low of 68.5°F (20.3°C), July is regarded as the warmest month. The heat index value for July is estimated at a torrid 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Pontoon Beach, Illinois, with an average temperature ranging between max 84.7°F (29.3°C) and min 66.7°F (19.3°C). Pontoon Beach's August average high-temperature settles at a moderately hot 84.7°F (29.3°C), showing a near match with the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Pontoon Beach, is also a moderately hot month, with an average temperature varying between 59.9°F (15.5°C) and 79.3°F (26.3°C). The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 84.7°F (29.3°C) in August to a still warm 79.3°F (26.3°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Pontoon Beach, Illinois, with an average temperature varying between 49.3°F (9.6°C) and 66.2°F (19°C). The move into October indicates a reduction in the average high-temperature, down from September's warm 79.3°F (26.3°C) to a refreshing 66.2°F (19°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Pontoon Beach, Illinois, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 52.9°F (11.6°C). During the transition into November, Pontoon Beach observes a decrease in the average high-temperature, falling from a refreshing 66.2°F (19°C) in October to a cool 52.9°F (11.6°C). Weather in November »
Weather in December
December, the first month of the winter in Pontoon Beach, is also an icy month, with an average temperature varying between 41.9°F (5.5°C) and 30.2°F (-1°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a fresh 52.9°F (11.6°C) to a cold 41.9°F (5.5°C). Weather in December »
Updated: Aug 23, 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 month?
In Pontoon Beach, the average lowest temperatures are observed in January, with a high of 37.2°F (2.9°C) and a low of 24.3°F (-4.3°C).
How much does it rain?
Throughout the year, there are 159.5 rainfall days, and 36.06" (916mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through March, November and December.
How many days does it snow?
In Pontoon Beach, during the entire year, snow falls for 20.3 days and aggregates up to 8.07" (205mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.6h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 8.8 days and typically collects 1.93" (49mm) of precipitation.
What is the snowiest month?
The month with the most snowfall is February, when snow falls for 5.8 days and typically aggregates up to 2.4" (61mm) 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.
When it does not snow?
In Pontoon Beach, snow does not fall in April through October.
What is the most humid month?
With an average relative humidity of 78%, May is the most humid month in Pontoon Beach.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 4.21" (107mm) of precipitation.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
With an average of 14h and 48min of daylight, June has the longest days of the year.
What month has the most sunshine in Pontoon Beach?
June has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the warmest month?
July, with its high-temperature average of 86.2°F (30.1°C) and a low-temperature average of 68.5°F (20.3°C), is the warmest month in Pontoon Beach.
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days in Pontoon Beach?
December has the shortest days of the year, with an average of 9h and 30min of daylight.
Average temperature
Pontoon Beach, IL
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (37.2°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure
Pontoon Beach, 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:
29.96"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:
30.02"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
Pontoon Beach, IL
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.3mph - Average wind speed in March:
9.1mph - Average wind speed in April:
9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity
Pontoon Beach, IL
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Pontoon Beach, IL
- Average rainfall in January:
2.2" - Average rainfall in February:
1.93" - Average rainfall in March:
2.68" - Average rainfall in April:
4.06" - Average rainfall in May:
4.21" - Average rainfall in June:
4.09"
- Average rainfall in July:
3.58" - Average rainfall in August:
3.82" - Average rainfall in September:
2.28" - Average rainfall in October:
2.83" - Average rainfall in November:
2.05" - Average rainfall in December:
2.32"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days
Pontoon Beach, IL
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
9.2 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Pontoon Beach, IL
The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Pontoon Beach, IL
- Average snowfall days in January:
6.3 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
2.3 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:
1.5 days - Average snowfall days in December:
4 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
Pontoon Beach, 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 1min - 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 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 4min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Pontoon Beach, IL
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
17.6 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
18 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is June (10.1 days).
Average UV index
Pontoon Beach, IL
The months with the highest UV index are May, 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
Pontoon Beach, IL
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility
Pontoon Beach, 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).
Pontoon Beach, Illinois, USA
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