Climate and monthly weather forecastSummerfield, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Summerfield, Illinois, is another cold winter month, with an average temperature varying between 37.8°F (3.2°C) and 24.8°F (-4°C). In Summerfield, the lowest average temperatures are observed in January, with a high of 37.8°F (3.2°C) and a low of 24.8°F (-4°C). Weather in January »Weather in February
February, the last month of the winter in Summerfield, is also a wintry month, with an average temperature fluctuating between 42.3°F (5.7°C) and 27.9°F (-2.3°C). The onset of February brings with it an average high-temperature of a still icy 42.3°F (5.7°C), showing a negligible variation from the month before. Weather in February »Weather in March
The first month of the spring, March, is a cool month in Summerfield, Illinois, with an average temperature ranging between max 54.1°F (12.3°C) and min 37.9°F (3.3°C). Summerfield's weather in March shows a rise in the average high-temperature, moving up from February's wintry 42.3°F (5.7°C) to a cool 54.1°F (12.3°C). Weather in March »Weather in April
April is a comfortable spring month in Summerfield, Illinois, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 47.7°F (8.7°C). An increase in the average high-temperature marks April, moving from March's fresh 54.1°F (12.3°C) to an enjoyable 64.9°F (18.3°C). Weather in April »Weather in May
May, the last month of the spring in Summerfield, is a moderately hot month, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 57.7°F (14.3°C). Summerfield sees an increase in the average high-temperature with the arrival of May, moving from April's refreshing 64.9°F (18.3°C) to a warm 74.7°F (23.7°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Summerfield, Illinois, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 66.4°F (19.1°C). The commencement of June sees a minor shift in the average high-temperature, moving from 74.7°F (23.7°C) in May to a still moderately hot 83.5°F (28.6°C). Weather in June »Weather in July
July, like June, in Summerfield, Illinois, is a moderately hot summer month, with an average temperature ranging between min 68°F (20°C) and max 85.6°F (29.8°C). Temperature records mark July as the warmest month, with highs averaging 85.6°F (29.8°C) and lows at 68°F (20°C). The heat index in July is appraised at a very hot 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Summerfield, Illinois, with temperature in the range of an average low of 65.8°F (18.8°C) and an average high of 83.8°F (28.8°C). With the onset of August, Summerfield's average high-temperature clocks in at a still warm 83.8°F (28.8°C), showing a minor fluctuation from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Summerfield, is also a moderately hot month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 59.9°F (15.5°C). Summerfield sees the arrival of September with an average high-temperature of a still moderately hot 78.8°F (26°C), indicating a subtle variation from August. Weather in September »Weather in October
October, like September, in Summerfield, Illinois, is another refreshing autumn month, with an average temperature varying between 66.4°F (19.1°C) and 49.1°F (9.5°C). As October arrives, Summerfield's weather displays a decrease in high-temperatures, transitioning from September's moderately hot 78.8°F (26°C) to a refreshing 66.4°F (19.1°C). Weather in October »Weather in November
November, the last month of the autumn in Summerfield, is another cool month, with an average temperature varying between 52.9°F (11.6°C) and 37.8°F (3.2°C). November comes with a drop in the average high-temperature, falling from October's comfortable 66.4°F (19.1°C) to a cool 52.9°F (11.6°C). Weather in November »Weather in December
December, the first month of the winter in Summerfield, is also a wintry month, with an average temperature fluctuating between 30.2°F (-1°C) and 42.3°F (5.7°C). Summerfield's December weather features a mild decline in high-temperatures, reducing from a cool 52.9°F (11.6°C) in November to a cold 42.3°F (5.7°C). Weather in December »Updated: Feb 12, 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, having an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 24.8°F (-4°C), is the coldest month in Summerfield.
In Summerfield, during the entire year, the rain falls for 151.1 days and collects up to 30.43" (773mm) of precipitation.
January through April, October through December are months with snowfall.
Throughout the year, in Summerfield, there are 22.4 snowfall days, and 6.1" (155mm) of snow is accumulated.
The months with the least sunshine are January and February, with an average of 4.6h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the month with the least rainfall in Summerfield. Rain falls for 8.9 days and accumulates 1.5" (38mm) of precipitation.
The month with the most snowfall in Summerfield, Illinois, is February, when snow falls for 6.3 days and typically aggregates up to 1.85" (47mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Summerfield, 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.
In Summerfield, snow does not fall in May through September.
May through August, with an average maximum UV index of 6, are months with the highest UV index in Summerfield.
The month with the most rainfall is June, when the rain falls for 16.2 days and typically aggregates up to 3.66" (93mm) of precipitation.
June has the longest days of the year in Summerfield, with an average of 14h and 48min of daylight.
The month with the most sunshine is June, with an average of 10.5h of sunshine.
July, having an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 68°F (20°C), is the warmest month in Summerfield, Illinois.
The most humid month in Summerfield is July, with an average relative humidity of 80%.
The least humid month in Summerfield is October, with an average relative humidity of 71%.
With an average of 9h and 30min of daylight, December has the shortest days of the year in Summerfield, Illinois.
Average temperature
Summerfield, IL
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure
Summerfield, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Summerfield, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.5mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.2mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.2mph - Average wind speed in October:
8mph - Average wind speed in November:
8.7mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Summerfield, IL
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Summerfield, IL
- Average rainfall in January:
1.89" - Average rainfall in February:
1.5" - Average rainfall in March:
2.28" - Average rainfall in April:
3.43" - Average rainfall in May:
3.58" - Average rainfall in June:
3.66"
- Average rainfall in July:
3.31" - Average rainfall in August:
3.07" - Average rainfall in September:
1.77" - Average rainfall in October:
2.32" - Average rainfall in November:
1.73" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days
Summerfield, IL
- Average rainfall days in January:
8 days - Average rainfall days in February:
8.9 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
12 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).
Average snowfall
Summerfield, IL
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Summerfield, IL
- Average snowfall days in January:
7.5 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
2.3 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:
1.4 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Summerfield, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Summerfield, IL
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
13 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
15.8 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
18.4 days - Average sunshine days in December:
18 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).
Average UV index
Summerfield, 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, November and December (UV index 2).
Average cloud cover
Summerfield, IL
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility
Summerfield, 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).
