Climate and monthly weather forecastLynnville, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Lynnville, Illinois, is a wintry winter month, with an average temperature ranging between min 21°F (-6.1°C) and max 33.4°F (0.8°C). January, with its high-temperature average of 33.4°F (0.8°C) and a low-temperature average of 21°F (-6.1°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Lynnville, is also a wintry month, with temperature in the range of an average low of 24.6°F (-4.1°C) and an average high of 38.3°F (3.5°C). February's onset records an average high-temperature of a still icy 38.3°F (3.5°C), a near match to January's 33.4°F (0.8°C). Weather in February »Weather in March
March, the first month of the spring in Lynnville, is a fresh month, with an average temperature varying between 36.1°F (2.3°C) and 51.4°F (10.8°C). March brings a temperature increase, with average high-temperatures moving from February's wintry 38.3°F (3.5°C) to a fresh 51.4°F (10.8°C). Weather in March »Weather in April
April is a refreshing spring month in Lynnville, Illinois, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 46.2°F (7.9°C). Entering April, Lynnville sees a temperature rise, with the average high-temperature advancing from March's fresh 51.4°F (10.8°C) to a refreshing 63.3°F (17.4°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Lynnville, Illinois, with an average temperature fluctuating between 55.9°F (13.3°C) and 72.9°F (22.7°C). May sees a temperature increase, moving from a refreshing 63.3°F (17.4°C) in April to a pleasant 72.9°F (22.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Lynnville, Illinois, with an average temperature varying between 64.6°F (18.1°C) and 81.5°F (27.5°C). A gentle upsurge in temperatures occurs as May gives way to June, with average highs shifting from a pleasant 72.9°F (22.7°C) to a moderately hot 81.5°F (27.5°C). Weather in June »Weather in July
July, like June, in Lynnville, Illinois, is another warm summer month, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 83.3°F (28.5°C). Lynnville's July weather, marked by an average high temperature of 83.3°F (28.5°C) and an average low temperature of 66.7°F (19.3°C), is the warmest in the year. For most parts of July, the heat index is appraised at a tropical 93.2°F (34°C). Weather in July »Weather in August
August, the last month of the summer in Lynnville, is also a moderately hot month, with an average temperature varying between 82.6°F (28.1°C) and 64.8°F (18.2°C). Lynnville's shift from July to August is accompanied by an average high-temperature of a still warm 82.6°F (28.1°C), a slight deviation from 83.3°F (28.5°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Lynnville, Illinois, with an average temperature fluctuating between 58.6°F (14.8°C) and 77.7°F (25.4°C). Lynnville starts September with an average high-temperature of a still moderately hot 77.7°F (25.4°C), a minor shift from August's 82.6°F (28.1°C). Weather in September »Weather in October
October, like September, in Lynnville, Illinois, is another refreshing autumn month, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 64°F (17.8°C). During the transition into October, Lynnville observes a decrease in the average high-temperature, falling from a warm 77.7°F (25.4°C) in September to an enjoyable 64°F (17.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Lynnville, Illinois, with an average temperature ranging between max 50.5°F (10.3°C) and min 36°F (2.2°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's enjoyable 64°F (17.8°C) to a fresh 50.5°F (10.3°C). Weather in November »Weather in December
December, the first month of the winter in Lynnville, is still a cold month, with an average temperature ranging between min 27.7°F (-2.4°C) and max 39°F (3.9°C). The beginning of December marks a decrease in the average high-temperature, transitioning from a fresh 50.5°F (10.3°C) in November to a wintry 39°F (3.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Lynnville, IL
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure
Lynnville, 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:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"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 (29.91"Hg).
Average wind speed
Lynnville, IL
- Average wind speed in January:
10.1mph - Average wind speed in February:
10mph - Average wind speed in March:
9.9mph - Average wind speed in April:
10mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity
Lynnville, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Lynnville, IL
- Average rainfall in January:
1.69" - Average rainfall in February:
1.61" - Average rainfall in March:
2.28" - Average rainfall in April:
3.39" - Average rainfall in May:
3.46" - Average rainfall in June:
3.58"
- Average rainfall in July:
2.28" - Average rainfall in August:
2.4" - Average rainfall in September:
2.64" - Average rainfall in October:
2.72" - Average rainfall in November:
1.77" - Average rainfall in December:
1.54"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days
Lynnville, IL
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
15.8 days - Average rainfall days in May:
18 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
10 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and February (7.1 days).
Average snowfall
Lynnville, IL
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Lynnville, IL
- Average snowfall days in January:
9.6 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
3.3 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:
2.2 days - Average snowfall days in December:
5 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Lynnville, 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:
14h and 54min
- 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: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 36min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 24min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Lynnville, IL
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index
Lynnville, 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
Lynnville, IL
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility
Lynnville, IL
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





