Climate and monthly weather forecastMcNabb, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in McNabb, Illinois, is another subzero cold winter month, with an average temperature ranging between min 17.4°F (-8.1°C) and max 29.3°F (-1.5°C). McNabb reaches its lowest average temperatures in January, measuring 29.3°F (-1.5°C) at the peak and 17.4°F (-8.1°C) at the lowest. Weather in January »Weather in February
February, the last month of the winter in McNabb, is a wintry month, with an average temperature fluctuating between 21°F (-6.1°C) and 33.4°F (0.8°C). As February unfolds, the average high-temperature reaches an icy 33.4°F (0.8°C), hinting at a slight fluctuation from the previous month. Weather in February »Weather in March
March, the first month of the spring in McNabb, is a frosty month, with temperature in the range of an average high of 47.7°F (8.7°C) and an average low of 33.1°F (0.6°C). March comes with an increase, with the average high-temperature moving from a wintry 33.4°F (0.8°C) in February to a frosty 47.7°F (8.7°C). Weather in March »Weather in April
April in McNabb, Illinois, is a mild spring month, with an average temperature varying between 43°F (6.1°C) and 59.4°F (15.2°C). McNabb, Illinois, experiences a temperature shift with the start of April, with average high-temperatures moving from a chilly 47.7°F (8.7°C) in March to a mild 59.4°F (15.2°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in McNabb, Illinois, with an average temperature varying between 54°F (12.2°C) and 71.1°F (21.7°C). As May begins, there is an increase in the average high-temperature, moving from a mild 59.4°F (15.2°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in McNabb, Illinois, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 79°F (26.1°C). The shift from May to June is marked by a slight increase in the average high-temperature, moving from an agreeable 71.1°F (21.7°C) to a warm 79°F (26.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in McNabb, Illinois, with an average temperature fluctuating between 64.6°F (18.1°C) and 81°F (27.2°C). With an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64.6°F (18.1°C), July is the warmest month. The heat index in July is calculated to be a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in McNabb, is another warm month, with an average temperature varying between 80.1°F (26.7°C) and 62.2°F (16.8°C). The average high-temperature is a still warm 80.1°F (26.7°C) in August, hardly different from the 81°F (27.2°C) recorded in July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in McNabb, Illinois, with an average temperature fluctuating between 56.5°F (13.6°C) and 75°F (23.9°C). McNabb's weather in September, with an average high-temperature of a still moderately hot 75°F (23.9°C), subtly shifts from August's 80.1°F (26.7°C). Weather in September »Weather in October
October, like September, in McNabb, Illinois, is another refreshing autumn month, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 61.7°F (16.5°C). The beginning of October marks a decrease in the average high-temperature, transitioning from a warm 75°F (23.9°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »Weather in November
November, the last month of the autumn in McNabb, is also a frosty month, with an average temperature fluctuating between 47.3°F (8.5°C) and 34°F (1.1°C). A distinct shift in the average high-temperature is signaled in November, moving down from a comfortable 61.7°F (16.5°C) in October to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
December, the first month of the winter in McNabb, is also a wintry month, with temperature in the range of an average low of 25.3°F (-3.7°C) and an average high of 35.6°F (2°C). The onset of December introduces a moderate change in McNabb's weather, with average high-temperatures falling from November's chilly 47.3°F (8.5°C) to a wintry 35.6°F (2°C). Weather in December »Updated: Jul 31, 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
The coldest month is January, with an average high-temperature of 29.3°F (-1.5°C) and an average low-temperature of 17.4°F (-8.1°C).
The months with the least rainfall are January and December Rain falls for 6.4 days and accumulates 1.57" (40mm) of rain.
In McNabb, during the entire year, the rain falls for 151.3 days and collects up to 30.16" (766mm) of precipitation.
January through April, October through December are months with snowfall.
In McNabb, during the entire year, snow falls for 36.7 days and aggregates up to 14.09" (358mm) of snow.
The month with the least sunshine in McNabb is January, with an average of 3.9h of sunshine.
January is the month with the lowest UV index, with an average maximum UV index of 1.
The month with the most snowfall is February, when snow falls for 9.6 days and typically aggregates up to 3.7" (94mm) of snow.
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.
May is the month with the most rainfall. Rain falls for 18.4 days and accumulates 4.41" (112mm) of precipitation.
In McNabb, snow does not fall in May through September.
June has the longest days of the year, with an average of 15h and 6min of daylight.
With an average of 10h of sunshine, June has the most sunshine of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July is the warmest month, with the temperature often reaching an average high of 81°F (27.2°C) and an average low of 64.6°F (18.1°C).
With an average relative humidity of 85%, July is the most humid month.
The least humid month is October, with an average relative humidity of 72%.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
McNabb, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure
McNabb, IL
- Average pressure in January:
30.13"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:
29.95"Hg - Average pressure in June:
29.91"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:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
McNabb, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.2mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
McNabb, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
McNabb, IL
- Average rainfall in January:
1.57" - Average rainfall in February:
1.61" - Average rainfall in March:
2.17" - Average rainfall in April:
3.7" - Average rainfall in May:
4.41" - Average rainfall in June:
3.23"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.24" - Average rainfall in September:
2.24" - Average rainfall in October:
2.91" - Average rainfall in November:
1.73" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days
McNabb, IL
- Average rainfall days in January:
6.4 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
17 days - Average rainfall days in May:
18.4 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.7 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
McNabb, IL
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
McNabb, IL
- Average snowfall days in January:
11.2 days - Average snowfall days in February:
9.6 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.3 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:
0.3 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
McNabb, IL
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 54min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
McNabb, IL
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.3 days - Average sunshine days in October:
15.9 days - Average sunshine days in November:
17.7 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
McNabb, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
McNabb, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
McNabb, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
