Expand
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 another subzero cold winter month in Speer, Illinois, with an average temperature fluctuating between 17.8°F (-7.9°C) and 29.7°F (-1.3°C). In Speer, the month of January registers the lowest temperatures, averaging 29.7°F (-1.3°C) at the peak and 17.8°F (-7.9°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Speer, Illinois, with an average temperature fluctuating between 21.6°F (-5.8°C) and 34.5°F (1.4°C). Speer transitions into February recording an average high-temperature of a wintry 34.5°F (1.4°C), closely aligning with the preceding month's temperature. Weather in February »
Weather in March
March, the first month of the spring in Speer, is a frosty month, with an average temperature ranging between min 33.3°F (0.7°C) and max 48.2°F (9°C). March shows a rise in the average high-temperature, moving from February's icy 34.5°F (1.4°C) to a chilly 48.2°F (9°C). Weather in March »
Weather in April
April in Speer, Illinois, is a moderate spring month, with an average temperature ranging between min 43.3°F (6.3°C) and max 59.7°F (15.4°C). The rise of average high-temperatures is seen in April, with an increase from a frosty 48.2°F (9°C) in March to a refreshing 59.7°F (15.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Speer, Illinois, with an average temperature ranging between max 71.1°F (21.7°C) and min 54.1°F (12.3°C). As May sets, the average high-temperature shows an increase, moving up from a refreshing 59.7°F (15.4°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »
Weather in June
June, the first month of the summer in Speer, is a warm month, with an average temperature ranging between max 79.3°F (26.3°C) and min 62.2°F (16.8°C). With the onset of June, Speer observes a minor temperature ascent, with the average high-temperature adjusting from May's pleasant 71.1°F (21.7°C) to a warm 79.3°F (26.3°C). Weather in June »
Weather in July
July, like June, in Speer, Illinois, is a moderately hot summer month, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 81.1°F (27.3°C). Speer's warmest month, July, generally records average temperatures ranging from a high of 81.1°F (27.3°C) to a low of 64.8°F (18.2°C). In July, the heat index is estimated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Speer, is another warm month, with an average temperature ranging between min 63.1°F (17.3°C) and max 80.2°F (26.8°C). Speer experiences a subtle adjustment in high-temperatures to a still moderately hot 80.2°F (26.8°C) with the onset of August, maintaining near parity with July's 81.1°F (27.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Speer, is also a moderately hot month, with an average temperature ranging between max 75.7°F (24.3°C) and min 56.7°F (13.7°C). Entering September, the average high-temperature is recorded at a still moderately hot 75.7°F (24.3°C), exhibiting a minimal shift from August's 80.2°F (26.8°C). Weather in September »
Weather in October
October, like September, in Speer, Illinois, is another enjoyable autumn month, with an average temperature varying between 61.7°F (16.5°C) and 45.9°F (7.7°C). Speer's October weather shows a moderate shift in high-temperatures, falling from September's moderately hot 75.7°F (24.3°C) to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Speer, is also a frosty month, with an average temperature varying between 33.8°F (1°C) and 47.5°F (8.6°C). Onset of November witnesses a reduction in the average high-temperature, falling from a refreshing 61.7°F (16.5°C) in October to a chilly 47.5°F (8.6°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Speer, Illinois, with an average temperature fluctuating between 25°F (-3.9°C) and 35.8°F (2.1°C). The arrival of December corresponds with a shift in temperature, down from a frosty 47.5°F (8.6°C) in November to an icy 35.8°F (2.1°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Speer?
The coldest temperatures occur during January, when averages reach a peak of 29.7°F (-1.3°C) and a low of 17.8°F (-7.9°C).
What is the driest month in Speer?
January is the month with the least rainfall in Speer. Rain falls for 4.2 days and accumulates 0.59" (15mm) of precipitation.
How much does it rain in Speer?
Throughout the year, in Speer, Illinois, there are 116.8 rainfall days, and 13.98" (355mm) of precipitation is accumulated.
When does it snow in Speer?
Months with snowfall in Speer are January through April, October through December.
What is the snowiest month in Speer?
The month with the most snowfall in Speer, Illinois, is January, when snow falls for 8.6 days and typically aggregates up to 1.81" (46mm) of snow.
How much does it snow in Speer?
Throughout the year, in Speer, there are 26.8 snowfall days, and 6.26" (159mm) of snow is accumulated.
What is the month with the least sunshine in Speer?
With an average of 3.9h of sunshine, January has the least sunshine of the year in Speer, Illinois.
What are the months with the lowest UV index in Speer?
The months with the lowest UV index in Speer, Illinois, are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Speer?
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 rainiest month in Speer?
The month with the most rainfall in Speer, Illinois, is May, when the rain falls for 15.2 days and typically aggregates up to 2.24" (57mm) of precipitation.
When it does not snow in Speer?
In Speer, Illinois, snow does not fall in May through September.
When are the longest days in Speer?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What are the months with the most sunshine in Speer?
June and July, with an average of 10h of sunshine, are months with the most sunshine in Speer.
What are the months with the highest UV index in Speer?
The months with the highest UV index in Speer, Illinois, are June and July, with an average maximum UV index of 6.
What time of the year is the hottest in Speer?
The average temperatures in Speer reach their apex in July, averaging 81.1°F (27.3°C) at the high end and 64.8°F (18.2°C) at the low end.
What is the most humid month in Speer?
July is the most humid month, with an average relative humidity of 84%.
What is the least humid month in Speer?
The least humid month is October, with an average relative humidity of 72%.
What is the month with the shortest days in Speer?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Speer, 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 (29.7°F).
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure
Speer, 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:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"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 (29.91"Hg).
Average wind speed
Speer, IL
- Average wind speed in January:
10.5mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Speer, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Speer, IL
- Average rainfall in January:
0.59" - Average rainfall in February:
0.67" - Average rainfall in March:
1.02" - Average rainfall in April:
1.65" - Average rainfall in May:
2.24" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.34" - Average rainfall in August:
1.02" - Average rainfall in September:
1.1" - Average rainfall in October:
1.22" - Average rainfall in November:
0.75" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days
Speer, IL
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
10.5 days - Average rainfall days in September:
9.3 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is May (15.2 days).
The months with the least rainy days are January and February (4.2 days).
Average snowfall
Speer, IL
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Speer, IL
- Average snowfall days in January:
8.6 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.1 days - Average snowfall days in April:
0.7 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:
0.3 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Speer, 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 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Speer, IL
- Average sunshine days in January:
19.8 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
17.9 days - Average sunshine days in April:
15.2 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
13.2 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
17.6 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index
Speer, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Speer, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility
Speer, 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).
Speer, Illinois, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
