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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
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Bath, Illinois, with an average temperature varying between 31.8°F (-0.1°C) and 19.8°F (-6.8°C). Temperature readings reach their annual highs in January, averaging 31.8°F (-0.1°C) and a minimum average of 19.8°F (-6.8°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Bath, Illinois, with an average temperature ranging between min 23.5°F (-4.7°C) and max 37°F (2.8°C). Stepping into February, Bath records an average high-temperature of a cold 37°F (2.8°C), almost consistent with January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Bath, Illinois, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 49.8°F (9.9°C). March comes with an increase, with the average high-temperature moving from a wintry 37°F (2.8°C) in February to a chilly 49.8°F (9.9°C). Weather in March »
Weather in April
April is a comfortable spring month in Bath, Illinois, with an average temperature varying between 45°F (7.2°C) and 61.9°F (16.6°C). Entering April, Bath sees a temperature rise, with the average high-temperature advancing from March's frosty 49.8°F (9.9°C) to a comfortable 61.9°F (16.6°C). Weather in April »
Weather in May
May, the last month of the spring in Bath, is a pleasant month, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 55.9°F (13.3°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's comfortable 61.9°F (16.6°C) to a pleasant 72.3°F (22.4°C). Weather in May »
Weather in June
June, the first month of the summer in Bath, is a moderately hot month, with an average temperature varying between 63.9°F (17.7°C) and 80.8°F (27.1°C). Bath's June weather indicates a minor increase in high-temperatures, edging from May's agreeable 72.3°F (22.4°C) to a warm 80.8°F (27.1°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Bath, Illinois, with an average temperature fluctuating between 66°F (18.9°C) and 82.6°F (28.1°C). With an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 66°F (18.9°C), July is the warmest month. For July, the heat index is computed to be a tropical 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Bath, Illinois, with an average temperature varying between 64°F (17.8°C) and 82°F (27.8°C). The arrival of August brings an average high-temperature of a still warm 82°F (27.8°C), subtly diverging from July's 82.6°F (28.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bath, Illinois, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 77.2°F (25.1°C). As Bath welcomes September, the average high-temperature records at a still moderately hot 77.2°F (25.1°C), marking an insignificant deviation from the prior month. Weather in September »
Weather in October
October, like September, in Bath, Illinois, is another comfortable autumn month, with an average temperature varying between 63.5°F (17.5°C) and 47.1°F (8.4°C). As September transitions to October, the average high-temperature falls from a moderately hot 77.2°F (25.1°C) to a refreshing 63.5°F (17.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Bath, Illinois, with an average temperature fluctuating between 49.5°F (9.7°C) and 35.2°F (1.8°C). November is characterized by a reduction in the average high-temperature, from a refreshing 63.5°F (17.5°C) in October to a chilly 49.5°F (9.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Bath, Illinois, with an average temperature fluctuating between 26.4°F (-3.1°C) and 37.9°F (3.3°C). The onset of December introduces a moderate change in Bath's weather, with average high-temperatures falling from November's frosty 49.5°F (9.7°C) to a cold 37.9°F (3.3°C). Weather in December »
Updated: Jun 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 month is the coldest?
In Bath, January registers the lowest temperatures, averaging 31.8°F (-0.1°C) at the peak and 19.8°F (-6.8°C) at the lowest.
How many days does it rain?
Throughout the year, there are 142.9 rainfall days, and 28.31" (719mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
When does it snow the most in Bath?
The month with the most snowfall is January, when snow falls for 9.2 days and typically aggregates up to 3.5" (89mm) of snow.
How much does it snow?
In Bath, during the entire year, snow falls for 28.4 days and aggregates up to 10.31" (262mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 4.2h of sunshine.
What is the month 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.
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 in Bath?
May is the month with the most rainfall in Bath. Rain falls for 18.3 days and accumulates 3.86" (98mm) of precipitation.
When it does not snow?
In Bath, snow does not fall in May through September.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.3h of sunshine.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
The highest temperatures are recorded in July, with averages reaching a high of 82.6°F (28.1°C) and a low of 66°F (18.9°C).
What is the most humid month in Bath?
July is the most humid month, with an average relative humidity of 83%.
What is the least humid month?
October is the least humid month in Bath, with an average relative humidity of 71%.
What is the driest month?
The month with the least rainfall is December, when the rain falls for 7.5 days and typically collects 1.38" (35mm) 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
Bath, 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 (31.8°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure
Bath, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"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 (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Bath, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.6mph - 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:
7.3mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.6mph
The windiest months (with the highest average wind speed) are January, February and April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity
Bath, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Bath, IL
- Average rainfall in January:
1.5" - Average rainfall in February:
1.42" - Average rainfall in March:
2.24" - Average rainfall in April:
3.31" - Average rainfall in May:
3.86" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.09" - Average rainfall in September:
2.6" - Average rainfall in October:
2.64" - Average rainfall in November:
1.81" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days
Bath, IL
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
9 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall
Bath, IL
The month with the highest snowfall is January (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Bath, IL
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
3.2 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:
0.1 days - Average snowfall days in November:
1.8 days - Average snowfall days in December:
5.4 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Bath, 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 2min - 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:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Bath, IL
- Average sunshine days in January:
16 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11.1 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.4 days - Average sunshine days in December:
19.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).
Average UV index
Bath, 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
Bath, IL
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility
Bath, IL
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).