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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 a wintry winter month in Bethany, Illinois, with an average temperature varying between 21.6°F (-5.8°C) and 33.6°F (0.9°C). The month of January, characterized by an average high of 33.6°F (0.9°C) and a low of 21.6°F (-5.8°C), is recognized as the coldest. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Bethany, Illinois, with an average temperature ranging between min 25.5°F (-3.6°C) and max 38.7°F (3.7°C). During February, Bethany records an average high-temperature of a still cold 38.7°F (3.7°C), marking a slight divergence from January's 33.6°F (0.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Bethany, Illinois, with an average temperature fluctuating between 36.1°F (2.3°C) and 50.5°F (10.3°C). March's arrival coincides with a rise in the average high-temperature, moving from February's cold 38.7°F (3.7°C) to a fresh 50.5°F (10.3°C). Weather in March »
Weather in April
April is a comfortable spring month in Bethany, Illinois, with an average temperature ranging between min 46°F (7.8°C) and max 62.2°F (16.8°C). Bethany's weather in April presents a rise in the average high-temperature, moving from a fresh 50.5°F (10.3°C) in March to a comfortable 62.2°F (16.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Bethany, Illinois, with an average temperature fluctuating between 56.7°F (13.7°C) and 72.9°F (22.7°C). May signals a shift in the average high-temperature, moving from April's refreshing 62.2°F (16.8°C) to a pleasant 72.9°F (22.7°C). Weather in May »
Weather in June
June, the first month of the summer in Bethany, is a moderately hot month, with an average temperature ranging between min 64.2°F (17.9°C) and max 81.1°F (27.3°C). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's pleasant 72.9°F (22.7°C) to a moderately hot 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Bethany, Illinois, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 82.2°F (27.9°C). The temperatures reach their highest averages in July, with highs of 82.2°F (27.9°C) and lows of 65.8°F (18.8°C). During July, the heat index is evaluated at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Bethany, Illinois, with an average temperature fluctuating between 81.5°F (27.5°C) and 64°F (17.8°C). The unfolding of August shows an average high-temperature of a still warm 81.5°F (27.5°C), indicating a slight variance from July's 82.2°F (27.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bethany, Illinois, with an average temperature varying between 77.2°F (25.1°C) and 58.5°F (14.7°C). Bethany's weather, upon September's arrival, documents an average high-temperature of a still moderately hot 77.2°F (25.1°C), nearly identical to the prior month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Bethany, Illinois, with an average temperature fluctuating between 48.2°F (9°C) and 63.9°F (17.7°C). In Bethany, the beginning of October is marked by a lowered average high-temperature, shifting from September's warm 77.2°F (25.1°C) to an enjoyable 63.9°F (17.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Bethany, is another chilly month, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 49.8°F (9.9°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a refreshing 63.9°F (17.7°C) in October to a chilly 49.8°F (9.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Bethany, Illinois, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 38.8°F (3.8°C). December brings a decrease in the average high-temperature, falling from November's chilly 49.8°F (9.9°C) to an icy 38.8°F (3.8°C). Weather in December »
Updated: Jul 18, 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 time of the year is the coldest?
Temperature readings in Bethany reach their annual highs in January, averaging 33.6°F (0.9°C) and a minimum average of 21.6°F (-5.8°C).
How much does it rain?
In Bethany, during the entire year, the rain falls for 130.9 days and collects up to 15.43" (392mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 6.4 days and typically aggregates up to 1.54" (39mm) of snow.
How much does it snow?
In Bethany, Illinois, during the entire year, snow falls for 21.5 days and aggregates up to 4.53" (115mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine in Bethany is January, with an average of 4.1h of sunshine.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 5.9 days and typically collects 0.71" (18mm) of precipitation.
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 Bethany?
In Bethany, snow does not fall in May through October.
What is the wettest month?
The month with the most rainfall is June, when the rain falls for 13.9 days and typically aggregates up to 1.85" (47mm) of precipitation.
When are the longest days?
The month with the longest days is June, with an average of 14h and 54min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.4h of sunshine.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
In Bethany, temperatures reach their average annual highs in July, measuring 82.2°F (27.9°C) and a minimum average of 65.8°F (18.8°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 84%.
What is the least humid month?
With an average relative humidity of 70%, October is the least humid month.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Bethany, IL
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.6°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Bethany, IL
- Average pressure in January:
30.15"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:
29.93"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:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Bethany, 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:
10.4mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Bethany, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Bethany, IL
- Average rainfall in January:
0.94" - Average rainfall in February:
0.71" - Average rainfall in March:
1.22" - Average rainfall in April:
1.65" - Average rainfall in May:
1.77" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.54" - Average rainfall in September:
1.06" - Average rainfall in October:
1.3" - Average rainfall in November:
0.87" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is June (1.85").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days
Bethany, IL
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Bethany, IL
The month with the highest snowfall is January (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Bethany, IL
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
6 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.5 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 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Bethany, 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:
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 2min
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 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Bethany, IL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
16.7 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
12.5 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
18.2 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index
Bethany, 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
Bethany, IL
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility
Bethany, 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).
Bethany, Illinois, USA
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