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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Sidney, Illinois, with an average temperature fluctuating between 31.8°F (-0.1°C) and 20.5°F (-6.4°C). January is the month when Sidney sees the lowest average temperatures, with a high of 31.8°F (-0.1°C) and a low of 20.5°F (-6.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Sidney, Illinois, with an average temperature ranging between max 37°F (2.8°C) and min 24.3°F (-4.3°C). February is marked by an average high-temperature of a cold 37°F (2.8°C), almost identical to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Sidney, is a chilly month, with an average temperature varying between 49.5°F (9.7°C) and 34.7°F (1.5°C). The shift from February to March sees an increase in the average high-temperature, transitioning from a wintry 37°F (2.8°C) to a chilly 49.5°F (9.7°C). Weather in March »
Weather in April
April in Sidney, Illinois, is an enjoyable spring month, with an average temperature ranging between max 61.3°F (16.3°C) and min 45.7°F (7.6°C). April marks a rise in the average high-temperature, moving from March's frosty 49.5°F (9.7°C) to a comfortable 61.3°F (16.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Sidney, Illinois, with an average temperature fluctuating between 72.1°F (22.3°C) and 56.1°F (13.4°C). Noticing a change, the average high-temperature during May moves from April's refreshing 61.3°F (16.3°C) to a pleasant 72.1°F (22.3°C). Weather in May »
Weather in June
June, the first month of the summer in Sidney, is a warm month, with an average temperature fluctuating between 80.1°F (26.7°C) and 63.9°F (17.7°C). The onset of June brings a minor temperature shift, with the average high-temperature moving from an agreeable 72.1°F (22.3°C) in May to a warm 80.1°F (26.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Sidney, Illinois, with an average temperature ranging between min 65.1°F (18.4°C) and max 81.1°F (27.3°C). July is the month when Sidney's temperatures reach their peak, with averages of 81.1°F (27.3°C) and lows of 65.1°F (18.4°C). In July, the average heat index is estimated at a hot 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 Sidney, Illinois, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 80.6°F (27°C). August's average high-temperature stands at a still moderately hot 80.6°F (27°C), showing little deviation from July's 81.1°F (27.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Sidney, Illinois, with an average temperature ranging between min 58.3°F (14.6°C) and max 76.1°F (24.5°C). September commences with an average high-temperature of a still moderately hot 76.1°F (24.5°C), showing little deviation from August's 80.6°F (27°C). Weather in September »
Weather in October
October, like September, in Sidney, Illinois, is another refreshing autumn month, with an average temperature ranging between max 63.5°F (17.5°C) and min 47.8°F (8.8°C). Sidney in October experiences a subtle temperature decline, with average high-temperatures reducing from a warm 76.1°F (24.5°C) in September to a comfortable 63.5°F (17.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Sidney, Illinois, with an average temperature fluctuating between 49.1°F (9.5°C) and 36°F (2.2°C). As Sidney transitions into November, the average high-temperature shows a marked reduction, decreasing from an enjoyable 63.5°F (17.5°C) in October to a frosty 49.1°F (9.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Sidney, Illinois, with an average temperature varying between 37.6°F (3.1°C) and 27.7°F (-2.4°C). The arrival of December signals a shift in temperature, down from a frosty 49.1°F (9.5°C) in November to a cold 37.6°F (3.1°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Sidney?
The coldest time of the year is January, with temperatures averaging a high of 31.8°F (-0.1°C) and a low of 20.5°F (-6.4°C).
How many days does it rain in Sidney?
In Sidney, Illinois, during the entire year, the rain falls for 129.9 days and collects up to 18.15" (461mm) of precipitation.
When does it snow in Sidney?
Months with snowfall in Sidney, Illinois, are January through April, November and December.
What is the snowiest month in Sidney?
The month with the most snowfall in Sidney is January, when snow falls for 8.7 days and typically aggregates up to 1.85" (47mm) of snow.
How many days does it snow in Sidney?
Throughout the year, in Sidney, Illinois, there are 27.1 snowfall days, and 5.91" (150mm) of snow is accumulated.
What is the month with the least sunshine in Sidney?
With an average of 4h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Sidney?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sidney.
When is Daylight Saving Time (DST) in Sidney?
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.
What is the wettest month in Sidney?
The month with the most rainfall in Sidney, Illinois, is April, when the rain falls for 13.8 days and typically aggregates up to 2.24" (57mm) of precipitation.
When it does not snow in Sidney?
May through October are months without snowfall in Sidney.
When are the longest days in Sidney?
June has the longest days of the year in Sidney, with an average of 15h and 0min of daylight.
What month has the most sunshine in Sidney?
With an average of 10.2h of sunshine, June has the most sunshine of the year in Sidney.
What is the month with the highest UV index in Sidney?
The months with the highest UV index in Sidney are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Sidney?
In Sidney, Illinois, the average temperatures in July are the highest, with a peak at 81.1°F (27.3°C) and a low of 65.1°F (18.4°C).
What is the most humid month in Sidney?
With an average relative humidity of 85%, July is the most humid month in Sidney, Illinois.
What is the driest month in Sidney?
The month with the least rainfall is September, when the rain falls for 10.4 days and typically collects 0.94" (24mm) of precipitation.
What is the least humid month in Sidney?
October is the least humid month, with an average relative humidity of 70%.
What is the month with the shortest days in Sidney?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Sidney, Illinois.
Average temperature
Sidney, IL
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure
Sidney, 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:
30.12"Hg - Average pressure in December:
30.12"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
Sidney, IL
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Sidney, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Sidney, IL
- Average rainfall in January:
1.26" - Average rainfall in February:
0.98" - Average rainfall in March:
1.65" - Average rainfall in April:
2.24" - Average rainfall in May:
2.2" - Average rainfall in June:
2.01"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.54" - Average rainfall in September:
0.94" - Average rainfall in October:
1.5" - Average rainfall in November:
1.14" - Average rainfall in December:
0.98"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days
Sidney, IL
- Average rainfall days in January:
6 days - Average rainfall days in February:
6 days - Average rainfall days in March:
11 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
14.7 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
10.6 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6 days).
Average snowfall
Sidney, IL
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Sidney, IL
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
7 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.6 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:
2 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sidney, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
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 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Sidney, IL
- Average sunshine days in January:
18.3 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
18.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index
Sidney, 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
Sidney, IL
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Sidney, 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).
Sidney, Illinois, USA
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