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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 Streamwood, Illinois, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 27.7°F (-2.4°C). Streamwood's January weather reaches an average high of 27.7°F (-2.4°C) and an average low of 16.3°F (-8.7°C), making it the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Streamwood, is also a subzero cold month, with an average temperature fluctuating between 31.6°F (-0.2°C) and 19°F (-7.2°C). February reports an average high-temperature of a still freezing cold 31.6°F (-0.2°C), slightly varied from January's 27.7°F (-2.4°C). Weather in February »
Weather in March
March, the first month of the spring in Streamwood, is a chilly month, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 44.2°F (6.8°C). Streamwood's transition into March is marked by a temperature shift, moving from a freezing cold 31.6°F (-0.2°C) in February to a chilly 44.2°F (6.8°C). Weather in March »
Weather in April
April is a mild spring month in Streamwood, Illinois, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 55.8°F (13.2°C). In Streamwood, stepping into April brings a temperature increase, moving up from March's frosty 44.2°F (6.8°C) to a moderate 55.8°F (13.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Streamwood, Illinois, with an average temperature fluctuating between 51.1°F (10.6°C) and 68°F (20°C). Streamwood, Illinois, in May experiences an increase in the average high-temperature, moving from April's moderate 55.8°F (13.2°C) to an agreeable 68°F (20°C). Weather in May »
Weather in June
June, the first month of the summer in Streamwood, is a moderately hot month, with an average temperature ranging between min 59.9°F (15.5°C) and max 77.4°F (25.2°C). The onset of June brings a rise in the average high-temperature, elevating from an agreeable 68°F (20°C) in May to a moderately hot 77.4°F (25.2°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Streamwood, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.3°F (27.4°C). Streamwood registers the highest average temperatures during the month of July, with peaks of 81.3°F (27.4°C) and lows of 64.9°F (18.3°C). July's heat index is appraised at a hot 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Streamwood, Illinois, with an average temperature fluctuating between 79.9°F (26.6°C) and 63.7°F (17.6°C). The shift into August records an average high-temperature of a still warm 79.9°F (26.6°C), subtly varied from July's 81.3°F (27.4°C). Weather in August »
Weather in September
September, the first month of the autumn in Streamwood, is also a moderately hot month, with an average temperature varying between 56.8°F (13.8°C) and 73.4°F (23°C). Streamwood's September weather features a light decline in high-temperatures, reducing from a warm 79.9°F (26.6°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Streamwood, Illinois, with an average temperature ranging between min 45.3°F (7.4°C) and max 60.3°F (15.7°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a warm 73.4°F (23°C) in September to a refreshing 60.3°F (15.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Streamwood, Illinois, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 32.7°F (0.4°C). Streamwood's transition into November is marked by a distinct drop in the average high-temperature, reducing from a moderate 60.3°F (15.7°C) in October to a frosty 45.5°F (7.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Streamwood, Illinois, with an average temperature ranging between max 34°F (1.1°C) and min 23.9°F (-4.5°C). Streamwood in December undergoes a mild reduction in the average high-temperature, shifting from November's frosty 45.5°F (7.5°C) to a cold 34°F (1.1°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Streamwood?
Streamwood, Illinois, records the coldest temperatures in January, averaging a high of 27.7°F (-2.4°C) and a low of 16.3°F (-8.7°C).
What is the most humid month in Streamwood?
January and February, with an average relative humidity of 83%, are most humid months.
How many days does it rain in Streamwood?
In Streamwood, during the entire year, the rain falls for 141.5 days and collects up to 22.76" (578mm) of precipitation.
When does it snow in Streamwood?
Months with snowfall are January through May, October through December.
What is the snowiest month in Streamwood?
The month with the most snowfall is January, when snow falls for 12.3 days and typically aggregates up to 3.39" (86mm) of snow.
How many days does it snow in Streamwood?
In Streamwood, Illinois, during the entire year, snow falls for 46.4 days and aggregates up to 13.03" (331mm) of snow.
What is the month with the least sunshine in Streamwood?
The month with the least sunshine in Streamwood, Illinois, is January, with an average of 3.6h of sunshine.
When is the lowest UV index in Streamwood?
The months with the lowest UV index in Streamwood, Illinois, are January and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Streamwood?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Streamwood, Illinois, 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 Streamwood?
The month with the most rainfall in Streamwood is May, when the rain falls for 16.8 days and typically aggregates up to 2.83" (72mm) of precipitation.
When it does not snow in Streamwood?
June through September are months without snowfall in Streamwood.
When are the longest days in Streamwood?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Streamwood?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What part of the year is the hottest in Streamwood?
In Streamwood, July is identified by the average highest temperatures, reaching a peak of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C).
What are the months with the most sunshine in Streamwood?
July and August, with an average of 9.8h of sunshine, are months with the most sunshine in Streamwood, Illinois.
What is the least humid month in Streamwood?
With an average relative humidity of 74%, October is the least humid month.
What is the driest month in Streamwood?
The month with the least rainfall in Streamwood is December, when the rain falls for 7.2 days and typically collects 1.02" (26mm) of precipitation.
What is the month with the shortest days in Streamwood?
December has the shortest days of the year in Streamwood, Illinois, with an average of 9h and 12min of daylight.
Average temperature
Streamwood, IL
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (27.7°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 (16.3°F).
Average pressure
Streamwood, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"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"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Streamwood, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.7mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Streamwood, IL
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Streamwood, IL
- Average rainfall in January:
1.22" - Average rainfall in February:
1.26" - Average rainfall in March:
1.3" - Average rainfall in April:
2.64" - Average rainfall in May:
2.83" - Average rainfall in June:
2.76"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days
Streamwood, IL
- Average rainfall days in January:
5.4 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall
Streamwood, IL
- Average snowfall in January:
3.39" - Average snowfall in February:
3.27" - Average snowfall in March:
1.06" - Average snowfall in April:
2.05" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Streamwood, IL
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
10.9 days - Average snowfall days in March:
6.3 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.1 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:
0.5 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
10.6 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Streamwood, IL
- Average daylight in January:
9h and 3min - 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 4min - 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 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 4min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 0min - Average sunshine in December:
3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Streamwood, IL
- Average sunshine days in January:
14.3 days - Average sunshine days in February:
11.9 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
15 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
15.6 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index
Streamwood, 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 and December (UV index 1).
Average cloud cover
Streamwood, IL
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility
Streamwood, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Streamwood, Illinois, USA
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