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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 Streator, Illinois, is a freezing cold winter month, with an average temperature ranging between min 17.8°F (-7.9°C) and max 29.5°F (-1.4°C). The month of January sees the lowest average temperatures, reaching 29.5°F (-1.4°C) at the peak and 17.8°F (-7.9°C) at the low. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Streator, Illinois, with an average temperature varying between 20.8°F (-6.2°C) and 33.4°F (0.8°C). The shift to February signals an average high-temperature of an icy 33.4°F (0.8°C), subtly varied from January's 29.5°F (-1.4°C). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Streator, Illinois, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 32.7°F (0.4°C). March brings an increase in the average high-temperature, progressing from a wintry 33.4°F (0.8°C) in February to a chilly 47.5°F (8.6°C). Weather in March »
Weather in April
April is a moderate spring month in Streator, Illinois, with an average temperature fluctuating between 42.8°F (6°C) and 59.4°F (15.2°C). With the transition into April, Streator experiences an increase in average high-temperatures, moving up from a frosty 47.5°F (8.6°C) in March to a mild 59.4°F (15.2°C). Weather in April »
Weather in May
May, the last month of the spring in Streator, is a pleasant month, with an average temperature fluctuating between 71.1°F (21.7°C) and 54°F (12.2°C). In Streator, the average high-temperature in May increases from a mild 59.4°F (15.2°C) in April to an agreeable 71.1°F (21.7°C). Weather in May »
Weather in June
June, the first month of the summer in Streator, is a warm month, with an average temperature ranging between max 78.8°F (26°C) and min 61.9°F (16.6°C). Streator in June experiences a slight uptick in the average high-temperature, adjusting from May's agreeable 71.1°F (21.7°C) to a moderately hot 78.8°F (26°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Streator, Illinois, with an average temperature varying between 81°F (27.2°C) and 64.4°F (18°C). July is the warmest month, with the temperature often reaching an average high of 81°F (27.2°C) and an average low of 64.4°F (18°C). For July, the heat index is computed to be a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Streator, is another warm month, with an average temperature varying between 79.7°F (26.5°C) and 62.2°F (16.8°C). Streator experiences an average high-temperature of a still warm 79.7°F (26.5°C) in August, subtly different from July's 81°F (27.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Streator, Illinois, with an average temperature varying between 75°F (23.9°C) and 56.5°F (13.6°C). The introduction of September notes a subtle temperature variation to a still warm 75°F (23.9°C) from August's 79.7°F (26.5°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Streator, Illinois, with an average temperature varying between 61.7°F (16.5°C) and 46°F (7.8°C). With October's arrival, Streator's weather changes as the average high-temperature falls from a warm 75°F (23.9°C) in September to a refreshing 61.7°F (16.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Streator, Illinois, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 47.3°F (8.5°C). The shift from October to November is characterized by a clear decrease in the average high-temperature, reducing from a comfortable 61.7°F (16.5°C) to a chilly 47.3°F (8.5°C). Weather in November »
Weather in December
December, the first month of the winter in Streator, is also a wintry month, with an average temperature fluctuating between 35.6°F (2°C) and 25.5°F (-3.6°C). The transition into December indicates a reduction in the average high-temperature, down to a cold 35.6°F (2°C) from November's frosty 47.3°F (8.5°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Streator?
January is the month when Streator sees the average lowest temperatures, with a high of 29.5°F (-1.4°C) and a low of 17.8°F (-7.9°C).
How much does it rain in Streator?
In Streator, during the entire year, the rain falls for 145 days and collects up to 25.08" (637mm) of precipitation.
When does it snow in Streator?
Months with snowfall in Streator, Illinois, are January through April, October through December.
How much does it snow in Streator?
Throughout the year, there are 37.9 snowfall days, and 12.91" (328mm) of snow is accumulated.
What is the month with the least sunshine in Streator?
January has the least sunshine of the year, with an average of 3.8h of sunshine.
What are the months with the lowest UV index in Streator?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
When does it snow the most in Streator?
February is the month with the most snowfall. Snow falls for 8.8 days and accumulates 3.27" (83mm) of snow.
When is Daylight Saving Time (DST) in Streator?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Streator, 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 Streator?
May is the month with the most rainfall in Streator, Illinois. Rain falls for 17.1 days and accumulates 3.39" (86mm) of precipitation.
When it does not snow in Streator?
In Streator, snow does not fall in May through September.
When are the longest days in Streator?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What month has the most sunshine in Streator?
With an average of 9.9h of sunshine, June has the most sunshine of the year.
When is the highest UV index in Streator?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Streator, Illinois.
What are the warmest months in Streator?
With average high temperatures of 81°F (27.2°C) and lows of 64.4°F (18°C), July is the warmest month in Streator, Illinois.
What is the most humid month in Streator?
With an average relative humidity of 85%, July is the most humid month in Streator.
What is the least humid month in Streator?
October is the least humid month in Streator, Illinois, with an average relative humidity of 72%.
What is the driest month in Streator?
December is the month with the least rainfall in Streator, Illinois. Rain falls for 6.9 days and accumulates 1.18" (30mm) of precipitation.
What is the month with the shortest days in Streator?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Streator, IL
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure
Streator, IL
- Average pressure in January:
30.13"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:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Streator, 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:
10.4mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.7mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Streator, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Streator, IL
- Average rainfall in January:
1.38" - Average rainfall in February:
1.3" - Average rainfall in March:
1.65" - Average rainfall in April:
3.11" - Average rainfall in May:
3.39" - Average rainfall in June:
2.56"
- Average rainfall in July:
2.72" - Average rainfall in August:
2.28" - Average rainfall in September:
1.85" - Average rainfall in October:
2.36" - Average rainfall in November:
1.3" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days
Streator, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
17.1 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Streator, IL
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Streator, IL
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
8.8 days - Average snowfall days in March:
5.1 days - Average snowfall days in April:
1.6 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:
0.3 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Streator, 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 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Streator, IL
- Average sunshine days in January:
14.7 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
10.7 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
17 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index
Streator, 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
Streator, IL
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility
Streator, 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).
Streator, Illinois, USA
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