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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, is another cold winter month in Dowell, Illinois, with an average temperature varying between 25.7°F (-3.5°C) and 38.8°F (3.8°C). Temperature records mark January as the coldest month, with highs averaging 38.8°F (3.8°C) and lows at 25.7°F (-3.5°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Dowell, Illinois, with an average temperature varying between 43.7°F (6.5°C) and 29.5°F (-1.4°C). February's weather displays an average high-temperature of a chilly 43.7°F (6.5°C), slightly varied from January's 38.8°F (3.8°C). Weather in February »
Weather in March
March, the first month of the spring in Dowell, is a cool month, with an average temperature varying between 55°F (12.8°C) and 38.7°F (3.7°C). The arrival of March brings a change in Dowell's weather, with average high-temperatures moving from February's chilly 43.7°F (6.5°C) to a cool 55°F (12.8°C). Weather in March »
Weather in April
April in Dowell, Illinois, is an enjoyable spring month, with an average temperature ranging between min 48.4°F (9.1°C) and max 66°F (18.9°C). The transition from March to April brings a temperature rise, with average high-temperatures increasing from a cool 55°F (12.8°C) to a refreshing 66°F (18.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Dowell, Illinois, with an average temperature ranging between max 75.4°F (24.1°C) and min 58.1°F (14.5°C). The transition to May introduces an increase in the average high-temperature, shifting from a comfortable 66°F (18.9°C) in April to a moderately hot 75.4°F (24.1°C). Weather in May »
Weather in June
June, the first month of the summer in Dowell, is also a moderately hot month, with an average temperature varying between 66.6°F (19.2°C) and 84.6°F (29.2°C). The arrival of June signals an increase in the average high-temperature, moving from a moderately hot 75.4°F (24.1°C) in May to a still warm 84.6°F (29.2°C). Weather in June »
Weather in July
July in Dowell, Illinois, is a tropical summer month, with an average temperature varying between 87.3°F (30.7°C) and 68.7°F (20.4°C). In Dowell, Illinois, the month of July registers the highest temperatures, averaging 87.3°F (30.7°C) at the peak and 68.7°F (20.4°C) at the lowest. During July, the heat index is computed to be a sweltering 102.2°F (39°C). Weather in July »
Weather in August
August, the last month of the summer in Dowell, is also a moderately hot month, with an average temperature ranging between max 85.5°F (29.7°C) and min 66°F (18.9°C). Dowell starts August with an average high-temperature of a moderately hot 85.5°F (29.7°C), hinting at a minimal fluctuation from July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Dowell, Illinois, with an average temperature ranging between max 79.7°F (26.5°C) and min 60.1°F (15.6°C). Dowell records a mild change in average high-temperature during September, easing from a warm 85.5°F (29.7°C) in August to a still moderately hot 79.7°F (26.5°C). Weather in September »
Weather in October
October, like September, in Dowell, Illinois, is another enjoyable autumn month, with an average temperature varying between 67.1°F (19.5°C) and 49.3°F (9.6°C). October's onset brings a slight change in high-temperatures, falling from a warm 79.7°F (26.5°C) in September to a comfortable 67.1°F (19.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Dowell, Illinois, with an average temperature fluctuating between 38.3°F (3.5°C) and 53.6°F (12°C). Dowell's weather in November involves a decrease in the average high-temperature, moving down from October's comfortable 67.1°F (19.5°C) to a cool 53.6°F (12°C). Weather in November »
Weather in December
December, the first month of the winter in Dowell, is still a chilly month, with an average temperature fluctuating between 43.5°F (6.4°C) and 31.1°F (-0.5°C). The decrease of average high-temperatures is mild in December, with a decline from a fresh 53.6°F (12°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Dowell?
Dowell experiences its lowest temperatures in January, with an average peak of 38.8°F (3.8°C) and a low of 25.7°F (-3.5°C).
What is the driest month in Dowell?
January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.5" (38mm) of precipitation.
How much does it rain in Dowell?
Throughout the year, there are 147.6 rainfall days, and 29.17" (741mm) of precipitation is accumulated.
When does it snow in Dowell?
January through April, November and December are months with snowfall.
How many days does it snow in Dowell?
In Dowell, Illinois, during the entire year, snow falls for 18 days and aggregates up to 4.53" (115mm) of snow.
What is the month with the least sunshine in Dowell?
The month with the least sunshine in Dowell, Illinois, is January, with an average of 4.6h of sunshine.
When is the lowest UV index in Dowell?
The months with the lowest UV index in Dowell, Illinois, are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month in Dowell?
The month with the most snowfall in Dowell, Illinois, is February, when snow falls for 5.1 days and typically aggregates up to 1.5" (38mm) of snow.
When is Daylight Saving Time (DST) in Dowell?
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 wettest month in Dowell?
The month with the most rainfall in Dowell is April, when the rain falls for 15.1 days and typically aggregates up to 3.58" (91mm) of precipitation.
What is the most humid month in Dowell?
With an average relative humidity of 79%, May is the most humid month in Dowell.
When it does not snow in Dowell?
May through October are months without snowfall in Dowell, Illinois.
When are the longest days in Dowell?
June has the longest days of the year in Dowell, with an average of 14h and 48min of daylight.
What are the months with the highest UV index in Dowell?
The months with the highest UV index in Dowell are June through August, with an average maximum UV index of 6.
What is the hottest time of year in Dowell?
The average temperatures in Dowell reach their apex in July, averaging 87.3°F (30.7°C) at the high end and 68.7°F (20.4°C) at the low end.
What month has the most sunshine in Dowell?
With an average of 10.5h of sunshine, July has the most sunshine of the year in Dowell.
What is the least humid month in Dowell?
The least humid month in Dowell is October, with an average relative humidity of 71%.
What is the month with the shortest days in Dowell?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
Average temperature
Dowell, IL
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure
Dowell, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Dowell, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.7mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8mph - Average wind speed in November:
8.7mph - Average wind speed in December:
8.9mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Dowell, IL
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Dowell, IL
- Average rainfall in January:
1.5" - Average rainfall in February:
1.54" - Average rainfall in March:
2.56" - Average rainfall in April:
3.58" - Average rainfall in May:
3.27" - Average rainfall in June:
3.31"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.8" - Average rainfall in September:
1.73" - Average rainfall in October:
2.36" - Average rainfall in November:
1.89" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days
Dowell, IL
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17 days - Average rainfall days in June:
15.1 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.9 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (8.2 days).
Average snowfall
Dowell, IL
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Dowell, IL
- Average snowfall days in January:
5.4 days - Average snowfall days in February:
5.1 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0.5 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:
1.1 days - Average snowfall days in December:
3.7 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dowell, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Dowell, IL
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
15 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
19.2 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index
Dowell, 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, February, November and December (UV index 2).
Average cloud cover
Dowell, IL
The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility
Dowell, 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).
Dowell, Illinois, USA
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