Climate and monthly weather forecastFletcher, IL
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Fletcher, Illinois, with an average temperature fluctuating between 18.9°F (-7.3°C) and 30.7°F (-0.7°C). Fletcher notes the coldest temperatures in January, with a high average of 30.7°F (-0.7°C) and a low of 18.9°F (-7.3°C). Weather in January »Weather in February
The last month of the winter, February, is a wintry month in Fletcher, Illinois, with an average temperature ranging between max 35.6°F (2°C) and min 22.5°F (-5.3°C). February's beginning signals an average high-temperature of a cold 35.6°F (2°C), barely different from January's 30.7°F (-0.7°C). Weather in February »Weather in March
March, the first month of the spring in Fletcher, is a chilly month, with temperature in the range of an average high of 48.6°F (9.2°C) and an average low of 34°F (1.1°C). March marks a rise in the average high-temperature, moving from February's icy 35.6°F (2°C) to a frosty 48.6°F (9.2°C). Weather in March »Weather in April
April is a moderate spring month in Fletcher, Illinois, with an average temperature varying between 44.2°F (6.8°C) and 60.4°F (15.8°C). With the onset of April, the average high-temperature slightly shifts from March's frosty 48.6°F (9.2°C) to a mild 60.4°F (15.8°C). Weather in April »Weather in May
May, the last month of the spring in Fletcher, is a pleasant month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 72°F (22.2°C). In Fletcher, stepping into May brings a temperature increase, moving up from April's refreshing 60.4°F (15.8°C) to a pleasant 72°F (22.2°C). Weather in May »Weather in June
June, the first month of the summer in Fletcher, is a warm month, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.3°F (26.3°C). As Fletcher welcomes June, the average high-temperature sees a modest rise, transitioning from an agreeable 72°F (22.2°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »Weather in July
July, like June, in Fletcher, Illinois, is another warm summer month, with an average temperature ranging between max 80.8°F (27.1°C) and min 64.9°F (18.3°C). In Fletcher, July is the warmest month, with temperatures averaging a high of 80.8°F (27.1°C) and a low of 64.9°F (18.3°C). In July, the heat index is calculated to be a tropical 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Fletcher, Illinois, with an average temperature ranging between min 63.1°F (17.3°C) and max 79.9°F (26.6°C). In August, Fletcher notes an average high-temperature of a still moderately hot 79.9°F (26.6°C), hardly different from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Fletcher, Illinois, with an average temperature fluctuating between 57.4°F (14.1°C) and 75.6°F (24.2°C). The advent of September presents an average high-temperature of a still moderately hot 75.6°F (24.2°C), maintaining a close correlation with the preceding month. Weather in September »Weather in October
October, like September, in Fletcher, Illinois, is another refreshing autumn month, with an average temperature varying between 46.6°F (8.1°C) and 62.1°F (16.7°C). Start of October brings a shift in the average high-temperature, falling from September's moderately hot 75.6°F (24.2°C) to a comfortable 62.1°F (16.7°C). Weather in October »Weather in November
November, the last month of the autumn in Fletcher, is another chilly month, with temperature in the range of an average high of 47.7°F (8.7°C) and an average low of 34.7°F (1.5°C). The beginning of November signals a clear reduction in the average high-temperature, falling from a comfortable 62.1°F (16.7°C) in October to a chilly 47.7°F (8.7°C). Weather in November »Weather in December
December, the first month of the winter in Fletcher, is also an icy month, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 26.1°F (-3.3°C). Observing a mild shift, the average high-temperature during December reduces from November's frosty 47.7°F (8.7°C) to a cold 36.5°F (2.5°C). Weather in December »Updated: Jul 18, 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 is Fletcher's coldest month, registering average high temperatures of 30.7°F (-0.7°C) and lows of 18.9°F (-7.3°C).
Throughout the year, there are 163.1 rainfall days, and 33.62" (854mm) of precipitation is accumulated.
Months with snowfall in Fletcher are January through April, October through December.
January is the month with the most snowfall in Fletcher, Illinois. Snow falls for 12.8 days and accumulates 5.04" (128mm) of snow.
In Fletcher, during the entire year, snow falls for 40.7 days and aggregates up to 17.01" (432mm) of snow.
The month with the least sunshine in Fletcher is January, with an average of 3.7h of sunshine.
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.
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.
May is the month with the most rainfall. Rain falls for 20.1 days and accumulates 4.57" (116mm) 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.
With an average of 9.8h of sunshine, June has the most sunshine of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
Fletcher experiences its highest temperatures in July, with an average peak of 80.8°F (27.1°C) and a low of 64.9°F (18.3°C).
The most humid month is July, with an average relative humidity of 86%.
The least humid month is October, with an average relative humidity of 71%.
The month with the least rainfall is December, when the rain falls for 9 days and typically collects 1.93" (49mm) of precipitation.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Fletcher, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Fletcher, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Fletcher, IL
- Average wind speed in January:
11.1mph - Average wind speed in February:
11mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10.6mph - Average wind speed in December:
10.6mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Fletcher, IL
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Fletcher, IL
- Average rainfall in January:
1.97" - Average rainfall in February:
2.01" - Average rainfall in March:
2.56" - Average rainfall in April:
3.7" - Average rainfall in May:
4.57" - Average rainfall in June:
4.02"
- Average rainfall in July:
3.15" - Average rainfall in August:
2.68" - Average rainfall in September:
2.2" - Average rainfall in October:
2.76" - Average rainfall in November:
2.09" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is December (1.93").
Average rainfall days
Fletcher, IL
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
6.9 days - Average rainfall days in March:
13.8 days - Average rainfall days in April:
17.4 days - Average rainfall days in May:
20.1 days - Average rainfall days in June:
18.5 days
- Average rainfall days in July:
19.2 days - Average rainfall days in August:
15.9 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
9 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.9 days).
Average snowfall
Fletcher, IL
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Fletcher, IL
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
10.1 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.1 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:
3.3 days - Average snowfall days in December:
8.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Fletcher, 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 30min - 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:
9h and 54min - Average daylight in December:
9h and 18min
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:
3h and 42min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 48min
- Average sunshine in July:
9h and 24min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 48min - Average sunshine in October:
5h and 48min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 12min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Fletcher, IL
- Average sunshine days in January:
13 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
12.7 days - Average sunshine days in April:
10.6 days - Average sunshine days in May:
8.4 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
8.8 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
15 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.4 days).
Average UV index
Fletcher, 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, October, November and December (UV index 2).
Average cloud cover
Fletcher, IL
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility
Fletcher, IL
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
