Climate and monthly weather forecastSidell, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, is another cold winter month in Sidell, Illinois, with temperature in the range of an average high of 33.8°F (1°C) and an average low of 21.7°F (-5.7°C). In Sidell, Illinois, the lowest average temperatures are observed in January, with a high of 33.8°F (1°C) and a low of 21.7°F (-5.7°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Sidell, Illinois, with an average temperature fluctuating between 38.8°F (3.8°C) and 25.5°F (-3.6°C). Stepping into February, Sidell records an average high-temperature of a still wintry 38.8°F (3.8°C), almost consistent with January. Weather in February »Weather in March
March, the first month of the spring in Sidell, is a cool month, with an average temperature fluctuating between 36°F (2.2°C) and 50.4°F (10.2°C). With the onset of March, the average high-temperature slightly shifts from February's cold 38.8°F (3.8°C) to a cool 50.4°F (10.2°C). Weather in March »Weather in April
April is a refreshing spring month in Sidell, Illinois, with an average temperature fluctuating between 46°F (7.8°C) and 62.2°F (16.8°C). In Sidell, stepping into April brings a temperature increase, moving up from March's fresh 50.4°F (10.2°C) to an enjoyable 62.2°F (16.8°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Sidell, Illinois, with an average temperature ranging between max 72.7°F (22.6°C) and min 56.1°F (13.4°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's refreshing 62.2°F (16.8°C) to a pleasant 72.7°F (22.6°C). Weather in May »Weather in June
June, the first month of the summer in Sidell, is a moderately hot month, with an average temperature ranging between min 64°F (17.8°C) and max 80.6°F (27°C). With the onset of June, Sidell observes a minor temperature ascent, with the average high-temperature adjusting from May's agreeable 72.7°F (22.6°C) to a moderately hot 80.6°F (27°C). Weather in June »Weather in July
July, like June, in Sidell, Illinois, is another warm summer month, with an average temperature varying between 82.4°F (28°C) and 65.8°F (18.8°C). With average temperatures fluctuating between a high of 82.4°F (28°C) and a low of 65.8°F (18.8°C), July stands out as the warmest month. The heat index value during July is calculated to be a hot 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Sidell, Illinois, with an average temperature varying between 64°F (17.8°C) and 81.1°F (27.3°C). In Sidell, August's average high-temperature stands at a still warm 81.1°F (27.3°C), closely related to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Sidell, Illinois, with an average temperature varying between 77.2°F (25.1°C) and 58.6°F (14.8°C). The shift into September records an average high-temperature of a still warm 77.2°F (25.1°C), subtly varied from August's 81.1°F (27.3°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Sidell, Illinois, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 47.7°F (8.7°C). Sidell's weather changes with the onset of October, slightly falling from a warm 77.2°F (25.1°C) in September to a refreshing 64°F (17.8°C). Weather in October »Weather in November
November, the last month of the autumn in Sidell, is also a frosty month, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 36°F (2.2°C). With the onset of November, Sidell's weather experiences a distinct temperature drop, moving from a comfortable 64°F (17.8°C) in October to a frosty 49.6°F (9.8°C). Weather in November »Weather in December
December, the first month of the winter in Sidell, is also an icy month, with an average temperature varying between 39°F (3.9°C) and 28.2°F (-2.1°C). A change in temperatures is noted as November gives way to December, with average highs reducing from a frosty 49.6°F (9.8°C) to a cold 39°F (3.9°C). Weather in December »Updated: Feb 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Sidell's temperature records reveal January as the coldest month, marked by average highs of 33.8°F (1°C) and lows of 21.7°F (-5.7°C).
In Sidell, Illinois, during the entire year, the rain falls for 133.4 days and collects up to 19.49" (495mm) of precipitation.
Months with snowfall are January through April, November and December.
Throughout the year, in Sidell, there are 23.7 snowfall days, and 5.2" (132mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the least rainfall is February, when the rain falls for 6.3 days and typically collects 0.94" (24mm) of precipitation.
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.
April is the month with the most rainfall. Rain falls for 13.6 days and accumulates 2.76" (70mm) of precipitation.
In Sidell, Illinois, snow does not fall in May through October.
With an average of 15h and 0min of daylight, June has the longest days of the year in Sidell, Illinois.
The month with the most sunshine is June, with an average of 10.3h of sunshine.
June and July, with an average maximum UV index of 6, are months with the highest UV index in Sidell.
July stands out as Sidell's warmest month, with temperatures ranging between an average high of 82.4°F (28°C) and a low of 65.8°F (18.8°C).
The most humid month in Sidell is July, with an average relative humidity of 83%.
The least humid month is October, with an average relative humidity of 71%.
December is the month with the most snowfall in Sidell, Illinois. Snow falls for 4.8 days and accumulates 1.61" (41mm) of snow.
December has the shortest days of the year in Sidell, Illinois, with an average of 9h and 24min of daylight.
Average temperature
Sidell, IL
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.8°F).
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure
Sidell, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"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 (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Sidell, IL
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.1mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.9mph - Average wind speed in October:
8.9mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.5mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity
Sidell, IL
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Sidell, IL
- Average rainfall in January:
1.34" - Average rainfall in February:
0.94" - Average rainfall in March:
1.38" - Average rainfall in April:
2.76" - Average rainfall in May:
2.4" - Average rainfall in June:
2.13"
- Average rainfall in July:
1.89" - Average rainfall in August:
1.54" - Average rainfall in September:
1.1" - Average rainfall in October:
1.69" - Average rainfall in November:
1.06" - Average rainfall in December:
1.26"
The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days
Sidell, IL
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
13.7 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
11 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
8.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.3 days).
Average snowfall
Sidell, IL
The month with the highest snowfall is December (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Sidell, IL
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
6.5 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.5 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:
1.6 days - Average snowfall days in December:
4.8 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sidell, 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 0min - Average sunshine in February:
4h and 18min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 18min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 24min
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 0min).
Average sunshine days
Sidell, IL
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
20 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Sidell, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Sidell, IL
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June, August and September (Cloud cover 31).
Average visibility
Sidell, 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).
