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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, in Adair, Illinois, is another subzero cold winter month, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 19°F (-7.2°C). Adair's coldest month, January, generally records average temperatures ranging from a high of 30.9°F (-0.6°C) to a low of 19°F (-7.2°C). Weather in January »
Weather in February
The last month of the winter, February, is an icy month in Adair, Illinois, with an average temperature ranging between min 22.5°F (-5.3°C) and max 36°F (2.2°C). February's weather displays an average high-temperature of a cold 36°F (2.2°C), slightly varied from January's 30.9°F (-0.6°C). Weather in February »
Weather in March
March, the first month of the spring in Adair, is a chilly month, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 49.6°F (9.8°C). As February transitions into March, a change in temperatures is observed, with average highs moving from a wintry 36°F (2.2°C) to a chilly 49.6°F (9.8°C). Weather in March »
Weather in April
April is an enjoyable spring month in Adair, Illinois, with an average temperature fluctuating between 44.2°F (6.8°C) and 61.3°F (16.3°C). April comes with an increase, with the average high-temperature moving from a frosty 49.6°F (9.8°C) in March to a comfortable 61.3°F (16.3°C). Weather in April »
Weather in May
May, the last month of the spring in Adair, is a pleasant month, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 71.6°F (22°C). With the onset of May, the average high-temperature slightly shifts from April's enjoyable 61.3°F (16.3°C) to a pleasant 71.6°F (22°C). Weather in May »
Weather in June
June, the first month of the summer in Adair, is a warm month, with an average temperature varying between 63.7°F (17.6°C) and 80.2°F (26.8°C). The start of June brings a subtle shift in the average high-temperature, edging up from May's pleasant 71.6°F (22°C) to a moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Adair, Illinois, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 82.4°F (28°C). Adair's July weather, marked by an average high temperature of 82.4°F (28°C) and an average low temperature of 65.8°F (18.8°C), is the warmest in the year. Throughout July, the heat index is evaluated at a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Adair, is another warm month, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 81.9°F (27.7°C). Adair's transition from July to August introduces an average high-temperature of a still warm 81.9°F (27.7°C), marking an insignificant variation from the 82.4°F (28°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Adair, Illinois, with an average temperature varying between 57.6°F (14.2°C) and 76.8°F (24.9°C). The arrival of September sees an average high-temperature of a still warm 76.8°F (24.9°C), hardly diverging from August's 81.9°F (27.7°C). Weather in September »
Weather in October
October, like September, in Adair, Illinois, is another enjoyable autumn month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 63°F (17.2°C). With the onset of October, Adair's average high-temperature adjusts, receding from September's moderately hot 76.8°F (24.9°C) to a comfortable 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Adair, Illinois, with an average temperature ranging between max 48.9°F (9.4°C) and min 34.7°F (1.5°C). A subtle decrease in the average high-temperature marks November, falling from October's enjoyable 63°F (17.2°C) to a frosty 48.9°F (9.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Adair, Illinois, with an average temperature varying between 25.7°F (-3.5°C) and 37°F (2.8°C). The commencement of December involves a temperature shift, with the average high-temperature dropping from a frosty 48.9°F (9.4°C) in November to an icy 37°F (2.8°C). Weather in December »
Updated: Aug 25, 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 Adair?
Adair's coldest month, January, generally records average temperatures ranging from a high of 30.9°F (-0.6°C) to a low of 19°F (-7.2°C).
What is the driest month?
The month with the least rainfall is January, when the rain falls for 4.2 days and typically collects 0.67" (17mm) of precipitation.
How many days does it rain?
Throughout the year, there are 122.7 rainfall days, and 17.8" (452mm) of precipitation is accumulated.
When does it snow?
January through April, October through December are months with snowfall.
What is the snowiest month in Adair?
The month with the most snowfall is January, when snow falls for 7.6 days and typically aggregates up to 1.89" (48mm) of snow.
How much does it snow?
In Adair, during the entire year, snow falls for 25.2 days and aggregates up to 5.47" (139mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year in Adair, with an average of 4.1h of sunshine.
What is the month with the lowest UV index in Adair?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Adair.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Adair, 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 wettest month?
The month with the most rainfall is May, when the rain falls for 16.2 days and typically aggregates up to 2.56" (65mm) of precipitation.
When it does not snow?
May through September are months without snowfall.
When are the longest days in Adair?
June has the longest days of the year, with an average of 15h and 0min of daylight.
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 is the warmest month?
Adair's July weather reaches an average high of 82.4°F (28°C) and an average low of 65.8°F (18.8°C), making it the warmest month.
What is the most humid month?
With an average relative humidity of 83%, July is the most humid month.
What month has the most sunshine in Adair?
July has the most sunshine of the year, with an average of 10.1h of sunshine.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
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
Adair, IL
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.9°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 (19°F).
Average pressure
Adair, IL
- Average pressure in January:
30.14"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:
29.94"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:
30.02"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
Adair, IL
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10.1mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity
Adair, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Adair, IL
- Average rainfall in January:
0.67" - Average rainfall in February:
0.79" - Average rainfall in March:
1.38" - Average rainfall in April:
1.93" - Average rainfall in May:
2.56" - Average rainfall in June:
2.09"
- Average rainfall in July:
1.73" - Average rainfall in August:
1.42" - Average rainfall in September:
1.85" - Average rainfall in October:
1.5" - Average rainfall in November:
1.14" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days
Adair, IL
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
11.1 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
7.1 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.2 days).
Average snowfall
Adair, IL
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Adair, IL
- Average snowfall days in January:
7.6 days - Average snowfall days in February:
6.9 days - Average snowfall days in March:
3.4 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:
0.2 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
4.9 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Adair, 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:
9h and 5min - 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 18min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- 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 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Adair, IL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
19.9 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
20.6 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).
Average UV index
Adair, 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
Adair, IL
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility
Adair, 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).
Adair, Illinois, USA
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