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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 another subzero cold winter month in Manteno, Illinois, with temperature in the range of an average low of 18.3°F (-7.6°C) and an average high of 29.7°F (-1.3°C). January is the month when Manteno experiences its coldest temperatures, averaging a high of 29.7°F (-1.3°C) and a low of 18.3°F (-7.6°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Manteno, Illinois, with an average temperature ranging between max 33.4°F (0.8°C) and min 21°F (-6.1°C). The commencement of February brings an average high-temperature of a cold 33.4°F (0.8°C), marking an inconsequential divergence from January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Manteno, Illinois, with an average temperature fluctuating between 32.5°F (0.3°C) and 46.4°F (8°C). As Manteno welcomes March, the average high-temperature sees a rise, transitioning from a wintry 33.4°F (0.8°C) in February to a frosty 46.4°F (8°C). Weather in March »
Weather in April
April in Manteno, Illinois, is a refreshing spring month, with an average temperature fluctuating between 58.3°F (14.6°C) and 42.1°F (5.6°C). An escalation in the average high-temperature is seen with the onset of April, moving from a frosty 46.4°F (8°C) in March to a mild 58.3°F (14.6°C). Weather in April »
Weather in May
May, the last month of the spring in Manteno, is an agreeable month, with an average temperature fluctuating between 70.3°F (21.3°C) and 53.2°F (11.8°C). May's arrival signals a temperature shift, moving from a mild 58.3°F (14.6°C) in April to a pleasant 70.3°F (21.3°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Manteno, Illinois, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 79°F (26.1°C). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 70.3°F (21.3°C) in May to a warm 79°F (26.1°C). Weather in June »
Weather in July
July, like June, in Manteno, Illinois, is a moderately hot summer month, with an average temperature ranging between max 81.3°F (27.4°C) and min 64.8°F (18.2°C). In Manteno, Illinois, the peak average temperatures are observed in July, with a high of 81.3°F (27.4°C) and a low of 64.8°F (18.2°C). The heat index value for July is appraised at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Manteno, is another warm month, with an average temperature varying between 63.1°F (17.3°C) and 80.1°F (26.7°C). Manteno records a slight change with August's average high-temperatures adjusting to a still warm 80.1°F (26.7°C) from July's 81.3°F (27.4°C). Weather in August »
Weather in September
September, the first month of the autumn in Manteno, is still a warm month, with an average temperature fluctuating between 57.2°F (14°C) and 74.8°F (23.8°C). September denotes a minimal variation in the average high-temperature to a still moderately hot 74.8°F (23.8°C) from August's 80.1°F (26.7°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Manteno, Illinois, with an average temperature varying between 46.4°F (8°C) and 61.7°F (16.5°C). October comes with a drop in the average high-temperature, falling from September's warm 74.8°F (23.8°C) to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Manteno, Illinois, with an average temperature ranging between max 47.1°F (8.4°C) and min 34.5°F (1.4°C). A noticeable downshift in temperatures is seen as October gives way to November, with average highs moving from a comfortable 61.7°F (16.5°C) to a chilly 47.1°F (8.4°C). Weather in November »
Weather in December
December, the first month of the winter in Manteno, is also an icy month, with temperature in the range of an average high of 35.6°F (2°C) and an average low of 25.9°F (-3.4°C). Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a frosty 47.1°F (8.4°C) to an icy 35.6°F (2°C). Weather in December »
Updated: Jul 21, 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?
January is the coldest month, exhibiting average temperatures of 29.7°F (-1.3°C) at the peak and 18.3°F (-7.6°C) at the base.
How many days does it rain?
In Manteno, during the entire year, the rain falls for 115.5 days and collects up to 11.65" (296mm) of precipitation.
When does it snow?
January through April, October through December are months with snowfall in Manteno.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 10.2 days and typically aggregates up to 1.34" (34mm) of snow.
How much does it snow?
In Manteno, during the entire year, snow falls for 33.7 days and aggregates up to 4.92" (125mm) of snow.
What is the month with the least sunshine?
With an average of 3.7h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the most humid month?
February is the most humid month, with an average relative humidity of 83%.
What is the driest month?
February is the month with the least rainfall in Manteno. Rain falls for 4.4 days and accumulates 0.55" (14mm) 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.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 14.2 days and typically aggregates up to 1.77" (45mm) of precipitation.
When it does not snow?
In Manteno, snow does not fall in May through September.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What is the month with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What is the hottest time of year in Manteno?
With average temperatures fluctuating between a high of 81.3°F (27.4°C) and a low of 64.8°F (18.2°C), July stands out as the warmest month.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 9.9h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 73%.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Manteno, IL
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Manteno, IL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"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:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Manteno, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6mph - Average wind speed in September:
7mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity
Manteno, IL
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Manteno, IL
- Average rainfall in January:
0.59" - Average rainfall in February:
0.55" - Average rainfall in March:
0.75" - Average rainfall in April:
1.3" - Average rainfall in May:
1.77" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.14" - Average rainfall in August:
1.02" - Average rainfall in September:
0.94" - Average rainfall in October:
1.02" - Average rainfall in November:
0.63" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days
Manteno, IL
- Average rainfall days in January:
5 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
11.1 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
7 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.4 days).
Average snowfall
Manteno, IL
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Manteno, IL
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
4.3 days - Average snowfall days in April:
1.1 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:
2.5 days - Average snowfall days in December:
6.7 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Manteno, 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Manteno, IL
- Average sunshine days in January:
18.6 days - Average sunshine days in February:
17.4 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
20.2 days
The month with the most sunshine days is November (20.8 days).
The months with the least sunshine days are June and July (12.2 days).
Average UV index
Manteno, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Manteno, IL
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Manteno, 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).