Climate and monthly weather forecastWashington Park, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Washington Park, Illinois, is a wintry winter month, with an average temperature ranging between max 37.8°F (3.2°C) and min 24.4°F (-4.2°C). January is the month that records the lowest temperatures, with averages ranging from a high of 37.8°F (3.2°C) to a low of 24.4°F (-4.2°C). Weather in January »Weather in February
February, the last month of the winter in Washington Park, is another cold month, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 27.7°F (-2.4°C). The arrival of February sees an average high-temperature of a still wintry 42.3°F (5.7°C), hardly diverging from January's 37.8°F (3.2°C). Weather in February »Weather in March
March, the first month of the spring in Washington Park, is a fresh month, with temperature in the range of an average low of 37.9°F (3.3°C) and an average high of 54.3°F (12.4°C). As Washington Park enters March, the average high-temperature increases from the an icy 42.3°F (5.7°C) of February to a cool 54.3°F (12.4°C). Weather in March »Weather in April
April is an enjoyable spring month in Washington Park, Illinois, with an average temperature fluctuating between 65.1°F (18.4°C) and 48°F (8.9°C). Observing a rise in April, the average high-temperature goes from March's fresh 54.3°F (12.4°C) to a comfortable 65.1°F (18.4°C). Weather in April »Weather in May
May, the last month of the spring in Washington Park, is a moderately hot month, with an average temperature fluctuating between 57.7°F (14.3°C) and 74.7°F (23.7°C). With the onset of May, Washington Park experiences a temperature shift, with the average high-temperature moving from a comfortable 65.1°F (18.4°C) in April to a warm 74.7°F (23.7°C). Weather in May »Weather in June
June, the first month of the summer in Washington Park, is also a moderately hot month, with an average temperature ranging between max 83.8°F (28.8°C) and min 66.9°F (19.4°C). As May gives way to June, the average high-temperature displays an increase, moving from 74.7°F (23.7°C) to a still moderately hot 83.8°F (28.8°C). Weather in June »Weather in July
July is a hot summer month in Washington Park, Illinois, with an average temperature ranging between min 68.5°F (20.3°C) and max 86.4°F (30.2°C). During the warmest month, July, temperatures average a high of 86.4°F (30.2°C) and a low of 68.5°F (20.3°C). Throughout July, the heat index is calculated to be a torrid 100.4°F (38°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Washington Park, Illinois, with an average temperature fluctuating between 66.7°F (19.3°C) and 85.1°F (29.5°C). August welcomes an average high-temperature of a warm 85.1°F (29.5°C), not much different from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Washington Park, Illinois, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 79.3°F (26.3°C). September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from 85.1°F (29.5°C) in August to a still moderately hot 79.3°F (26.3°C). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Washington Park, Illinois, with an average temperature varying between 49.1°F (9.5°C) and 66.4°F (19.1°C). Washington Park's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 79.3°F (26.3°C) in September to a refreshing 66.4°F (19.1°C). Weather in October »Weather in November
November, the last month of the autumn in Washington Park, is another cool month, with an average temperature fluctuating between 37.9°F (3.3°C) and 53.2°F (11.8°C). With November's arrival, Washington Park's weather changes as the average high-temperature falls from a comfortable 66.4°F (19.1°C) in October to a fresh 53.2°F (11.8°C). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Washington Park, Illinois, with an average temperature ranging between max 42.8°F (6°C) and min 30.2°F (-1°C). The onset of December is marked by a decrease in temperature, transitioning from a cool 53.2°F (11.8°C) in November to a chilly 42.8°F (6°C). Weather in December »Updated: Aug 23, 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
Washington Park, Illinois, experiences its lowest temperatures in January, with an average peak of 37.8°F (3.2°C) and a low of 24.4°F (-4.2°C).
Throughout the year, there are 154.5 rainfall days, and 35.51" (902mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
Throughout the year, there are 21.9 snowfall days, and 7.91" (201mm) of snow is accumulated.
With an average of 4.6h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
February is the month with the least rainfall. Rain falls for 8.6 days and accumulates 1.89" (48mm) of precipitation.
The month with the most snowfall is February, when snow falls for 6.3 days and typically aggregates up to 2.64" (67mm) of snow.
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.
In Washington Park, snow does not fall in April through October.
May and July, with an average relative humidity of 78%, are most humid months.
The month with the most rainfall is May, when the rain falls for 17.5 days and typically aggregates up to 4.25" (108mm) of precipitation.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
With an average of 14h and 48min of daylight, June has the longest days of the year in Washington Park.
June and July, with an average of 10.4h of sunshine, are months with the most sunshine.
July is the month when Washington Park's temperatures reach their peak, with averages of 86.4°F (30.2°C) and lows of 68.5°F (20.3°C).
With an average relative humidity of 71%, October is the least humid month.
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Washington Park, IL
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure
Washington Park, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"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:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Washington Park, IL
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity
Washington Park, IL
The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Washington Park, IL
- Average rainfall in January:
2.28" - Average rainfall in February:
1.89" - Average rainfall in March:
2.64" - Average rainfall in April:
3.86" - Average rainfall in May:
4.25" - Average rainfall in June:
4.13"
- Average rainfall in July:
3.46" - Average rainfall in August:
3.43" - Average rainfall in September:
2.32" - Average rainfall in October:
2.83" - Average rainfall in November:
2.13" - Average rainfall in December:
2.28"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days
Washington Park, IL
- Average rainfall days in January:
8 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
15.5 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
17.5 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
8.2 days
The months with the highest number of rainy days are May and July (17.5 days).
The month with the least rainy days is January (8 days).
Average snowfall
Washington Park, IL
The month with the highest snowfall is February (2.64").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Washington Park, IL
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.3 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:
1.2 days - Average snowfall days in December:
4.2 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Washington Park, IL
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 24min - Average sunshine in October:
6h and 12min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Washington Park, IL
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
11.4 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
15 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index
Washington Park, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Washington Park, IL
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Washington Park, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
