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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, like December, in Leamington, Illinois, is an icy winter month, with an average temperature ranging between max 39.7°F (4.3°C) and min 26.8°F (-2.9°C). Leamington notes the coldest temperatures in January, with a high average of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C). Weather in January »
Weather in February
February, the last month of the winter in Leamington, is a chilly month, with an average temperature varying between 44.6°F (7°C) and 30.6°F (-0.8°C). February's presence records an average high-temperature of a frosty 44.6°F (7°C), closely mirroring January's climate. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in Leamington, Illinois, with an average temperature fluctuating between 55.4°F (13°C) and 39.6°F (4.2°C). The shift from February to March is marked by an increase in the average high-temperature, moving from a chilly 44.6°F (7°C) to a moderate 55.4°F (13°C). Weather in March »
Weather in April
April is an enjoyable spring month in Leamington, Illinois, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 66.4°F (19.1°C). As March transitions into April, a change in temperatures is observed, with average highs moving from 55.4°F (13°C) to a still refreshing 66.4°F (19.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Leamington, Illinois, with an average temperature ranging between max 75.6°F (24.2°C) and min 58.3°F (14.6°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from an enjoyable 66.4°F (19.1°C) in April to a warm 75.6°F (24.2°C). Weather in May »
Weather in June
June, the first month of the summer in Leamington, is still a warm month, with an average temperature ranging between max 84°F (28.9°C) and min 66.4°F (19.1°C). Leamington's transition into June brings a slight rise in the average high-temperature, moving from a moderately hot 75.6°F (24.2°C) in May to a still warm 84°F (28.9°C). Weather in June »
Weather in July
July in Leamington, Illinois, is a hot summer month, with an average temperature ranging between max 86.2°F (30.1°C) and min 68.4°F (20.2°C). Leamington's temperatures tend to reach their peak averages in July, with a high of 86.2°F (30.1°C) and a low of 68.4°F (20.2°C). The heat index in July is calculated to be a torrid 98.6°F (37°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Leamington, Illinois, with an average temperature ranging between min 66.2°F (19°C) and max 84.9°F (29.4°C). The average high-temperature in August, at a warm 84.9°F (29.4°C), reveals a modest deviation from July's 86.2°F (30.1°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Leamington, Illinois, with an average temperature varying between 79.9°F (26.6°C) and 60.8°F (16°C). Leamington's transition from August to September introduces an average high-temperature of a still warm 79.9°F (26.6°C), marking an insignificant variation from the 84.9°F (29.4°C). Weather in September »
Weather in October
October, like September, in Leamington, Illinois, is another enjoyable autumn month, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 49.6°F (9.8°C). The onset of October introduces a moderate change in Leamington's weather, with average high-temperatures falling from September's warm 79.9°F (26.6°C) to a refreshing 67.8°F (19.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Leamington, is another cool month, with an average temperature ranging between max 54.1°F (12.3°C) and min 38.8°F (3.8°C). The average high-temperature decreases in November, shifting from an enjoyable 67.8°F (19.9°C) in October to a fresh 54.1°F (12.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Leamington, Illinois, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 44.6°F (7°C). December's onset brings a slight change in high-temperatures, falling from a fresh 54.1°F (12.3°C) in November to a chilly 44.6°F (7°C). Weather in December »
Updated: Aug 6, 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 is the coldest month?
In Leamington, January is the coldest month, with temperatures averaging a high of 39.7°F (4.3°C) and a low of 26.8°F (-2.9°C).
How many days does it rain?
In Leamington, during the entire year, the rain falls for 146.3 days and collects up to 24.96" (634mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow?
Throughout the year, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.5h of sunshine.
When is the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 4.3 days and accumulates 0.87" (22mm) of snow.
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 wettest month in Leamington?
April is the month with the most rainfall. Rain falls for 14.7 days and accumulates 3.27" (83mm) of precipitation.
What is the most humid month?
May is the most humid month, with an average relative humidity of 80%.
When it does not snow?
In Leamington, snow does not fall in May through October.
What is the month with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index in Leamington, Illinois.
When are the longest days?
The month with the longest days is June, with an average of 14h and 42min of daylight.
What month is the hottest?
In Leamington, the average highest temperatures are observed in July, with a high of 86.2°F (30.1°C) and a low of 68.4°F (20.2°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.6h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.14" (29mm) of precipitation.
What is the least humid month in Leamington?
With an average relative humidity of 70%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Leamington, IL
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure
Leamington, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Leamington, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.2mph - Average wind speed in November:
8.8mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Leamington, IL
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Leamington, IL
- Average rainfall in January:
1.97" - Average rainfall in February:
2.17" - Average rainfall in March:
2.28" - Average rainfall in April:
3.27" - Average rainfall in May:
2.4" - Average rainfall in June:
2.24"
- Average rainfall in July:
2.05" - Average rainfall in August:
1.77" - Average rainfall in September:
1.14" - Average rainfall in October:
1.77" - Average rainfall in November:
1.85" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days
Leamington, IL
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
9 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).
Average snowfall
Leamington, IL
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Leamington, IL
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Leamington, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - 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 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Leamington, IL
- Average sunshine days in January:
17 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
17 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).
Average UV index
Leamington, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Leamington, IL
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Leamington, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Leamington, Illinois, USA
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