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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 Bluffs, Illinois, with an average temperature ranging between max 33.8°F (1°C) and min 21.6°F (-5.8°C). The month of January, characterized by an average high of 33.8°F (1°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 Bluffs, Illinois, with an average temperature varying between 38.8°F (3.8°C) and 25.2°F (-3.8°C). The arrival of February sees a recorded average high-temperature of a still cold 38.8°F (3.8°C), showing little divergence from the previous month's conditions. Weather in February »
Weather in March
March, the first month of the spring in Bluffs, is a cool month, with an average temperature fluctuating between 36.1°F (2.3°C) and 51.8°F (11°C). The arrival of March brings a temperature shift, with the average high-temperature escalating from a wintry 38.8°F (3.8°C) in February to a cool 51.8°F (11°C). Weather in March »
Weather in April
April in Bluffs, Illinois, is a comfortable spring month, with an average temperature fluctuating between 63.5°F (17.5°C) and 46°F (7.8°C). The shift into April is marked by a rise in the average high-temperature, moving from March's cool 51.8°F (11°C) to a comfortable 63.5°F (17.5°C). Weather in April »
Weather in May
May, the last month of the spring in Bluffs, is an agreeable month, with an average temperature fluctuating between 73°F (22.8°C) and 55.9°F (13.3°C). May brings a temperature change, with average high-temperatures moving from April's refreshing 63.5°F (17.5°C) to a pleasant 73°F (22.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Bluffs, Illinois, with an average temperature ranging between max 81.9°F (27.7°C) and min 64.4°F (18°C). June brings a slight increase in the average high-temperature, progressing from a pleasant 73°F (22.8°C) in May to a moderately hot 81.9°F (27.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Bluffs, Illinois, with an average temperature varying between 84°F (28.9°C) and 66.7°F (19.3°C). July is the month when Bluffs, Illinois, experiences its warmest temperatures, averaging a high of 84°F (28.9°C) and a low of 66.7°F (19.3°C). For July, the heat index is evaluated at a sweltering 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Bluffs, Illinois, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 83.5°F (28.6°C). With August's advent, Bluffs sees an average high-temperature of a still warm 83.5°F (28.6°C), subtly shifted from July's 84°F (28.9°C). Weather in August »
Weather in September
September, the first month of the autumn in Bluffs, is also a moderately hot month, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 78.1°F (25.6°C). With the onset of September, Bluffs experiences a modest temperature adjustment, with the average high-temperature gently receding from 83.5°F (28.6°C) in August to a still warm 78.1°F (25.6°C). Weather in September »
Weather in October
October, like September, in Bluffs, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 47.3°F (8.5°C) and 64.2°F (17.9°C). In the transition to October, Bluffs observes a drop in the average high-temperature, moving from a moderately hot 78.1°F (25.6°C) in September to a refreshing 64.2°F (17.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Bluffs, is also a fresh month, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 51.1°F (10.6°C). Bluffs's November weather shows a moderate shift in high-temperatures, falling from October's enjoyable 64.2°F (17.9°C) to a fresh 51.1°F (10.6°C). Weather in November »
Weather in December
December, the first month of the winter in Bluffs, is also an icy month, with an average temperature ranging between max 39.2°F (4°C) and min 27.9°F (-2.3°C). December's arrival coincides with a drop in the average high-temperature, decreasing from November's cool 51.1°F (10.6°C) to a cold 39.2°F (4°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Bluffs?
Bluffs records the coldest temperatures in January, averaging a high of 33.8°F (1°C) and a low of 21.6°F (-5.8°C).
What is the driest month in Bluffs?
January, February and December are months with the least rain when the rain falls for 7.5 days and typically aggregates up to 1.73" (44mm) of rain.
How much does it rain in Bluffs?
Throughout the year, there are 155.4 rainfall days, and 31.69" (805mm) of precipitation is accumulated.
When does it snow in Bluffs?
January through April, October through December are months with snowfall.
What is the snowiest month in Bluffs?
January is the month with the most snowfall. Snow falls for 9.8 days and accumulates 3.46" (88mm) of snow.
How many days does it snow in Bluffs?
In Bluffs, Illinois, during the entire year, snow falls for 30.2 days and aggregates up to 10.75" (273mm) of snow.
What is the month with the least sunshine in Bluffs?
With an average of 4.3h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Bluffs?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bluffs.
When is Daylight Saving Time (DST) in Bluffs?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bluffs, 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 Bluffs?
The month with the most rainfall in Bluffs, Illinois, is May, when the rain falls for 18.8 days and typically aggregates up to 4.02" (102mm) of precipitation.
When it does not snow in Bluffs?
In Bluffs, snow does not fall in May through September.
When are the longest days in Bluffs?
The month with the longest days in Bluffs is June, with an average of 14h and 54min of daylight.
What month has the most sunshine in Bluffs?
The month with the most sunshine is June, with an average of 10.3h of sunshine.
When is the highest UV index in Bluffs?
The months with the highest UV index in Bluffs, Illinois, are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Bluffs?
With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 66.7°F (19.3°C), July is the warmest month in Bluffs, Illinois.
What is the most humid month in Bluffs?
With an average relative humidity of 82%, July is the most humid month in Bluffs.
What is the least humid month in Bluffs?
The least humid month in Bluffs is October, with an average relative humidity of 71%.
What is the month with the shortest days in Bluffs?
The month with the shortest days in Bluffs, Illinois, is December, with an average of 9h and 24min of daylight.
Average temperature
Bluffs, IL
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Bluffs, 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:
29.95"Hg - Average pressure in June:
29.91"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:
30.03"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 (29.91"Hg).
Average wind speed
Bluffs, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.7mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8mph - Average wind speed in June:
7mph
- Average wind speed in July:
6mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.4mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity
Bluffs, IL
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Bluffs, IL
- Average rainfall in January:
1.73" - Average rainfall in February:
1.73" - Average rainfall in March:
2.44" - Average rainfall in April:
3.54" - Average rainfall in May:
4.02" - Average rainfall in June:
3.9"
The wettest month (with the highest rainfall) is May (4.02").
The driest months (with the least rainfall) are January, February and December (1.73").
Average rainfall days
Bluffs, IL
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
7.2 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
15.9 days - Average rainfall days in May:
18.8 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
14.9 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall
Bluffs, IL
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Bluffs, IL
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
3.5 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:
0.1 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Bluffs, 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 2min - 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:
9h and 5min - 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 5min
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 18min).
Average sunshine days
Bluffs, IL
- Average sunshine days in January:
15.5 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
8.6 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (8.6 days).
Average UV index
Bluffs, 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
Bluffs, IL
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility
Bluffs, IL
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Bluffs, Illinois, USA
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