Climate and monthly weather forecastStrawn, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Strawn, Illinois, is a freezing cold winter month, with an average temperature varying between 18.5°F (-7.5°C) and 30.6°F (-0.8°C). With average high and low temperatures of 30.6°F (-0.8°C) and 18.5°F (-7.5°C) respectively, January is Strawn's coldest month. Weather in January »Weather in February
February, the last month of the winter in Strawn, is an icy month, with an average temperature fluctuating between 21.7°F (-5.7°C) and 35.1°F (1.7°C). Strawn transitions into February recording an average high-temperature of a cold 35.1°F (1.7°C), closely aligning with the preceding month's temperature. Weather in February »Weather in March
March, the first month of the spring in Strawn, is a frosty month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 47.7°F (8.7°C). March marks a rise in the average high-temperature, moving from February's icy 35.1°F (1.7°C) to a chilly 47.7°F (8.7°C). Weather in March »Weather in April
April in Strawn, Illinois, is a moderate spring month, with an average temperature ranging between min 43.9°F (6.6°C) and max 59.7°F (15.4°C). Strawn in April sees a temperature change, with average high-temperatures moving from a chilly 47.7°F (8.7°C) in March to a moderate 59.7°F (15.4°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Strawn, Illinois, with an average temperature ranging between min 55°F (12.8°C) and max 71.6°F (22°C). In May, the meteorological conditions change with the average high-temperature moving from a refreshing 59.7°F (15.4°C) in April to an agreeable 71.6°F (22°C). Weather in May »Weather in June
June, the first month of the summer in Strawn, is a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.8°F (17.1°C). Strawn's weather in June presents a minor rise in the average high-temperature, moving from an agreeable 71.6°F (22°C) in May to a warm 79.3°F (26.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Strawn, Illinois, with an average temperature varying between 80.8°F (27.1°C) and 64.6°F (18.1°C). July is the month that records the highest temperatures, with averages ranging from a high of 80.8°F (27.1°C) to a low of 64.6°F (18.1°C). July's mean heat index is computed to be 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 Strawn, Illinois, with temperature in the range of an average low of 62.6°F (17°C) and an average high of 79.7°F (26.5°C). The beginning of August reveals an average high-temperature of a still moderately hot 79.7°F (26.5°C), showing minimal deviation from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Strawn, Illinois, with an average temperature fluctuating between 57.2°F (14°C) and 75.7°F (24.3°C). The advent of September signifies a minor shift to an average high-temperature of a still warm 75.7°F (24.3°C), aligning closely with August. Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Strawn, Illinois, with an average temperature varying between 62.2°F (16.8°C) and 46.8°F (8.2°C). As October commences, the average high-temperature shows a reduction, transitioning from a moderately hot 75.7°F (24.3°C) in September to an enjoyable 62.2°F (16.8°C). Weather in October »Weather in November
November, the last month of the autumn in Strawn, is another chilly month, with an average temperature varying between 34.9°F (1.6°C) and 47.8°F (8.8°C). November's onset brings a clear reduction in the average high-temperature, falling from a refreshing 62.2°F (16.8°C) in October to a frosty 47.8°F (8.8°C). Weather in November »Weather in December
December, the first month of the winter in Strawn, is also a wintry month, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.1°F (-3.3°C). December brings a minor decrease, with the average high-temperature reducing from a chilly 47.8°F (8.8°C) in November to a cold 36.5°F (2.5°C). Weather in December »Updated: Jun 28, 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
January proves to be the coldest month, recording an average maximum temperature of 30.6°F (-0.8°C) and a minimum temperature of 18.5°F (-7.5°C).
The month with the least rainfall is January, when the rain falls for 5 days and typically collects 0.79" (20mm) of precipitation.
Throughout the year, there are 130.5 rainfall days, and 17.44" (443mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall. Snow falls for 10.6 days and accumulates 2.09" (53mm) of snow.
Throughout the year, there are 30.5 snowfall days, and 7.68" (195mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.8h of sunshine.
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.
The month with the most rainfall is May, when the rain falls for 17 days and typically aggregates up to 2.56" (65mm) of precipitation.
May through September are months without snowfall.
With an average of 15h and 0min of daylight, June has the longest days of the year.
With an average of 9.9h of sunshine, June has the most sunshine of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
In Strawn, July is the warmest month, with temperatures averaging a high of 80.8°F (27.1°C) and a low of 64.6°F (18.1°C).
July is the most humid month, with an average relative humidity of 86%.
With an average relative humidity of 71%, October is the least humid month.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Strawn, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Strawn, 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:
30.02"Hg - Average pressure in November:
30.11"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
Strawn, IL
- Average wind speed in January:
10.8mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.2mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Strawn, IL
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Strawn, IL
- Average rainfall in January:
0.79" - Average rainfall in February:
0.87" - Average rainfall in March:
1.34" - Average rainfall in April:
1.97" - Average rainfall in May:
2.56" - Average rainfall in June:
2.05"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.5" - Average rainfall in September:
1.18" - Average rainfall in October:
1.34" - Average rainfall in November:
0.91" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Strawn, IL
- Average rainfall days in January:
5 days - Average rainfall days in February:
5 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
6.9 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (5 days).
Average snowfall
Strawn, IL
The month with the highest snowfall is January (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Strawn, IL
- Average snowfall days in January:
10.6 days - Average snowfall days in February:
7.1 days - Average snowfall days in March:
3.7 days - Average snowfall days in April:
0.8 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:
0.2 days - Average snowfall days in November:
2 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Strawn, IL
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 18min).
- Average sunshine in January:
3h and 48min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 12min - Average sunshine in April:
7h and 48min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 36min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 6min - Average sunshine in December:
4h and 18min
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
Strawn, IL
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
19.1 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index
Strawn, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Strawn, IL
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility
Strawn, 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).
