Climate and monthly weather forecastLima, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Lima, Illinois, with temperature in the range of an average low of 20.1°F (-6.6°C) and an average high of 32.5°F (0.3°C). Lima records the coldest temperatures in January, averaging a high of 32.5°F (0.3°C) and a low of 20.1°F (-6.6°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Lima, Illinois, with temperature in the range of an average high of 37.4°F (3°C) and an average low of 23.7°F (-4.6°C). The dawn of February sees an average high-temperature of a still cold 37.4°F (3°C), subtly contrasting with January's 32.5°F (0.3°C). Weather in February »Weather in March
March, the first month of the spring in Lima, is a fresh month, with an average temperature ranging between min 35.2°F (1.8°C) and max 50.9°F (10.5°C). March brings a rise in the average high-temperature, transitioning from February's wintry 37.4°F (3°C) to a fresh 50.9°F (10.5°C). Weather in March »Weather in April
April is a refreshing spring month in Lima, Illinois, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 45°F (7.2°C). Lima sees an increase in the average high-temperature with the arrival of April, moving from March's cool 50.9°F (10.5°C) to a comfortable 62.4°F (16.9°C). Weather in April »Weather in May
May, the last month of the spring in Lima, is an agreeable month, with an average temperature varying between 71.8°F (22.1°C) and 55°F (12.8°C). With the onset of May, Lima's average high-temperature experiences a rise, moving from April's comfortable 62.4°F (16.9°C) to a pleasant 71.8°F (22.1°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Lima, Illinois, with an average temperature varying between 81.5°F (27.5°C) and 64.4°F (18°C). An increase in the average high-temperature marks June, moving from May's agreeable 71.8°F (22.1°C) to a moderately hot 81.5°F (27.5°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Lima, Illinois, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 84.6°F (29.2°C). July proves to be the warmest month, recording an average peak temperature of 84.6°F (29.2°C) and a minimum temperature of 66.6°F (19.2°C). For July, the heat index is evaluated at a very hot 95°F (35°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Lima, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 83.7°F (28.7°C). August notes an average high-temperature of a still warm 83.7°F (28.7°C), subtly differing from July's 84.6°F (29.2°C). Weather in August »Weather in September
September, the first month of the autumn in Lima, is also a moderately hot month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 58.1°F (14.5°C). During the shift to September, Lima records a mild decrease in average high-temperature, moving from a moderately hot 83.7°F (28.7°C) in August to a still warm 77.9°F (25.5°C). Weather in September »Weather in October
October, like September, in Lima, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 63.5°F (17.5°C) and 46.6°F (8.1°C). Witnessing a clear downswing, the average high-temperature during October drops from September's moderately hot 77.9°F (25.5°C) to a comfortable 63.5°F (17.5°C). Weather in October »Weather in November
November, the last month of the autumn in Lima, is also a fresh month, with an average temperature ranging between max 50.4°F (10.2°C) and min 35.4°F (1.9°C). Lima in November demonstrates a small temperature transition, adjusting from an average high of a refreshing 63.5°F (17.5°C) in October to a fresh 50.4°F (10.2°C). Weather in November »Weather in December
December, the first month of the winter in Lima, is still a cold month, with an average temperature ranging between min 26.6°F (-3°C) and max 38.7°F (3.7°C). The onset of December coincides with a reduction in the average high-temperature, falling from a cool 50.4°F (10.2°C) in November to a cold 38.7°F (3.7°C). Weather in December »Updated: Aug 5, 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
January proves to be the coldest month, recording an average maximum temperature of 32.5°F (0.3°C) and a minimum temperature of 20.1°F (-6.6°C).
The month with the least rainfall in Lima is January, when the rain falls for 5.3 days and typically collects 1.26" (32mm) of precipitation.
In Lima, during the entire year, the rain falls for 137.5 days and collects up to 27.68" (703mm) of precipitation.
January through April, October through December are months with snowfall in Lima.
The month with the most snowfall is January, when snow falls for 9.3 days and typically aggregates up to 4.21" (107mm) of snow.
Throughout the year, there are 28.4 snowfall days, and 12.44" (316mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4.4h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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.
The months with the highest humidity are May through July, with an average relative humidity of 80%.
The month with the most rainfall is May, when the rain falls for 17.3 days and typically aggregates up to 3.9" (99mm) of precipitation.
May through September are months without snowfall.
With an average of 15h and 0min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
Lima's temperatures tend to reach their peak averages in July, with a high of 84.6°F (29.2°C) and a low of 66.6°F (19.2°C).
With an average of 10.4h of sunshine, July has the most sunshine of the year.
October is the least humid month in Lima, with an average relative humidity of 70%.
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Lima, IL
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Lima, IL
- Average pressure in January:
30.15"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:
29.9"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 (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Lima, IL
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.2mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity
Lima, IL
The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Lima, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
1.54" - Average rainfall in March:
2.4" - Average rainfall in April:
3.11" - Average rainfall in May:
3.9" - Average rainfall in June:
3.46"
- Average rainfall in July:
2.4" - Average rainfall in August:
2.32" - Average rainfall in September:
2.28" - Average rainfall in October:
1.85" - Average rainfall in November:
1.73" - Average rainfall in December:
1.42"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days
Lima, IL
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
12.9 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
6.5 days
The months with the highest number of rainy days are May and June (17.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Lima, IL
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Lima, IL
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.8 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:
0.4 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.3 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Lima, IL
- Average daylight in January:
9h and 42min - 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 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Lima, IL
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
12.4 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
17 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
19.2 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index
Lima, 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
Lima, IL
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Lima, 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).
