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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, the same as December, in Sidney, Illinois, is a freezing cold winter month, with temperature in the range of an average high of 31.8°F (-0.1°C) and an average low of 20.5°F (-6.4°C). The coldest period is January, when temperatures fluctuate between an average 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 wintry month in Sidney, Illinois, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 37°F (2.8°C). The initiation of February sees an average high-temperature of a wintry 37°F (2.8°C), showing minor variations from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Sidney, is a frosty month, with an average temperature ranging between min 34.7°F (1.5°C) and max 49.5°F (9.7°C). The shift from February to March is marked by an increase in the average high-temperature, moving from an icy 37°F (2.8°C) to a chilly 49.5°F (9.7°C). Weather in March »
Weather in April
April is a comfortable spring month in Sidney, Illinois, with an average temperature ranging between min 45.7°F (7.6°C) and max 61.3°F (16.3°C). Sidney in April sees a temperature change, with average high-temperatures moving from a chilly 49.5°F (9.7°C) in March to a comfortable 61.3°F (16.3°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Sidney, Illinois, with an average temperature varying between 56.1°F (13.4°C) and 72.1°F (22.3°C). The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 61.3°F (16.3°C) to an agreeable 72.1°F (22.3°C). Weather in May »
Weather in June
June, the first month of the summer in Sidney, is a moderately hot month, with an average temperature fluctuating between 63.9°F (17.7°C) and 80.1°F (26.7°C). With the transition into June, Sidney experiences a subtle uplift in average high-temperatures, adjusting from a pleasant 72.1°F (22.3°C) in May to a warm 80.1°F (26.7°C). Weather in June »
Weather in July
July, like June, in Sidney, Illinois, is a moderately hot summer month, with an average temperature ranging between min 65.1°F (18.4°C) and max 81.1°F (27.3°C). Sidney's temperatures tend to reach their peak averages in July, with a high of 81.1°F (27.3°C) and a low of 65.1°F (18.4°C). For July, the heat index is appraised at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Sidney, is another warm month, with an average temperature varying between 63.3°F (17.4°C) and 80.6°F (27°C). The average high-temperature during August registers at a still moderately hot 80.6°F (27°C), closely corresponding to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Sidney, Illinois, with an average temperature fluctuating between 76.1°F (24.5°C) and 58.3°F (14.6°C). Sidney records an average high-temperature of a still warm 76.1°F (24.5°C) in September, closely mirroring the climate of the previous month. Weather in September »
Weather in October
October, like September, in Sidney, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 47.8°F (8.8°C) and 63.5°F (17.5°C). In October, the average high-temperature decreases from a moderately hot 76.1°F (24.5°C) in September to an enjoyable 63.5°F (17.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Sidney, is also a frosty month, with an average temperature fluctuating between 36°F (2.2°C) and 49.1°F (9.5°C). As November sets, the average high-temperature displays a significant decrease, moving down from a refreshing 63.5°F (17.5°C) in October to a chilly 49.1°F (9.5°C). Weather in November »
Weather in December
December, the first month of the winter in Sidney, is also a wintry month, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 37.6°F (3.1°C). December's onset brings a slight change in high-temperatures, falling from a frosty 49.1°F (9.5°C) in November to a cold 37.6°F (3.1°C). Weather in December »
Updated: Aug 20, 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
What month is the coldest in Sidney?
January is the coldest month of the year, registering average temperatures as high as 31.8°F (-0.1°C) and as low as 20.5°F (-6.4°C).
How many days does it rain?
In Sidney, during the entire year, the rain falls for 129.9 days and collects up to 18.15" (461mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 8.7 days and typically aggregates up to 1.85" (47mm) of snow.
How much does it snow?
In Sidney, during the entire year, snow falls for 27.1 days and aggregates up to 5.91" (150mm) of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4h of sunshine.
What is the month with the lowest UV index?
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)?
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?
The month with the most rainfall 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, snow does not fall in May through October.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What month has the most sunshine?
With an average of 10.2h of sunshine, June has the most sunshine of the year.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the warmest month in Sidney?
July, with an average high of 81.1°F (27.3°C) and a low of 65.1°F (18.4°C), signifies the warmest month of the year.
What is the most humid month?
With an average relative humidity of 85%, July is the most humid month.
What is the driest month?
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?
The least humid month in Sidney is October, with an average relative humidity of 70%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
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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