Expand
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). January, with its high-temperature average of 30.9°F (-0.6°C) and a low-temperature average of 19°F (-7.2°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Adair, is a wintry month, with an average temperature fluctuating between 22.5°F (-5.3°C) and 36°F (2.2°C). During February, Adair records an average high-temperature of an icy 36°F (2.2°C), marking a slight divergence from January's 30.9°F (-0.6°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Adair, Illinois, with an average temperature fluctuating between 34.3°F (1.3°C) and 49.6°F (9.8°C). The shift into March brings an increase in the average high-temperature, moving from an icy 36°F (2.2°C) in February to a frosty 49.6°F (9.8°C). Weather in March »
Weather in April
April in Adair, Illinois, is a refreshing spring month, with an average temperature varying between 61.3°F (16.3°C) and 44.2°F (6.8°C). As Adair transitions into April, a rise in the average high-temperature is observed, moving from a chilly 49.6°F (9.8°C) in March to an enjoyable 61.3°F (16.3°C). Weather in April »
Weather in May
May, the last month of the spring in Adair, is an agreeable month, with an average temperature varying between 71.6°F (22°C) and 54.9°F (12.7°C). As April transitions into May, a change in temperatures is observed, with average highs moving from a comfortable 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). As Adair welcomes June, the average high-temperature sees a modest rise, transitioning from an agreeable 71.6°F (22°C) in May to a warm 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Adair, Illinois, with an average temperature fluctuating between 82.4°F (28°C) and 65.8°F (18.8°C). July, with its high-temperature average of 82.4°F (28°C) and a low-temperature average of 65.8°F (18.8°C), is the warmest month. The heat index in July is appraised at a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Adair, is also a moderately hot month, with an average temperature varying between 81.9°F (27.7°C) and 63.7°F (17.6°C). The arrival of August records an average high-temperature of a still moderately hot 81.9°F (27.7°C), closely related to the 82.4°F (28°C) observed in July. Weather in August »
Weather in September
September, the first month of the autumn in Adair, is still a warm month, with an average temperature ranging between min 57.6°F (14.2°C) and max 76.8°F (24.9°C). As September takes its course, Adair's average high-temperature registers at a still moderately hot 76.8°F (24.9°C), closely aligning with the preceding month. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Adair, Illinois, 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). Start of October brings a shift in the average high-temperature, falling from September's moderately hot 76.8°F (24.9°C) to an enjoyable 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 temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 34.7°F (1.5°C). Adair's progression into November includes a drop in the average high-temperature, from a refreshing 63°F (17.2°C) in October to a chilly 48.9°F (9.4°C). Weather in November »
Weather in December
December, the first month of the winter in Adair, is still a cold month, with an average temperature varying between 25.7°F (-3.5°C) and 37°F (2.8°C). In Adair, entering December brings a temperature decrement, reducing from November's chilly 48.9°F (9.4°C) to a wintry 37°F (2.8°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Adair?
In Adair, January registers the lowest temperatures, averaging 30.9°F (-0.6°C) at the peak and 19°F (-7.2°C) at the lowest.
What is the driest month in Adair?
January is the month with the least rainfall. Rain falls for 4.2 days and accumulates 0.67" (17mm) of precipitation.
How many days does it rain in Adair?
Throughout the year, in Adair, there are 122.7 rainfall days, and 17.8" (452mm) of precipitation is accumulated.
When does it snow in Adair?
Months with snowfall in Adair, Illinois, are January through April, October through December.
What is the snowiest month in Adair?
The month with the most snowfall in Adair, Illinois, 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?
In Adair, Illinois, 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 in Adair?
The month with the least sunshine in Adair is January, with an average of 4.1h of sunshine.
When is the lowest UV index in Adair?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Adair?
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 rainiest month in Adair?
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 in Adair?
In Adair, snow does not fall in May through September.
When are the longest days in Adair?
The month with the longest days in Adair is June, with an average of 15h and 0min of daylight.
What are the months with the highest UV index in Adair?
The months with the highest UV index in Adair, Illinois, are June through August, with an average maximum UV index of 6.
What month is the hottest in Adair?
July is the warmest month, with the temperature often reaching an average high of 82.4°F (28°C) and an average low of 65.8°F (18.8°C).
What is the most humid month in Adair?
July is the most humid month, with an average relative humidity of 83%.
What month has the most sunshine in Adair?
With an average of 10.1h of sunshine, July has the most sunshine of the year in Adair, Illinois.
What is the least humid month in Adair?
The least humid month in Adair, Illinois, is October, with an average relative humidity of 71%.
What is the month with the shortest days in Adair?
With an average of 9h and 18min of daylight, December has the shortest days of the year in Adair.
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
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
