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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 an icy winter month in Dow, Illinois, with an average temperature ranging between min 22.6°F (-5.2°C) and max 35.6°F (2°C). Dow experiences its lowest average temperatures in January, reaching a peak of 35.6°F (2°C) and a minimum of 22.6°F (-5.2°C). Weather in January »
Weather in February
February, the last month of the winter in Dow, is also an icy month, with an average temperature ranging between min 26.4°F (-3.1°C) and max 40.6°F (4.8°C). During February, the average high-temperature is a still wintry 40.6°F (4.8°C), maintaining a close resemblance to that of the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Dow, is a cool month, with an average temperature ranging between min 37°F (2.8°C) and max 52.5°F (11.4°C). Dow in March sees a temperature change, with average high-temperatures moving from a cold 40.6°F (4.8°C) in February to a cool 52.5°F (11.4°C). Weather in March »
Weather in April
April in Dow, Illinois, is a comfortable spring month, with an average temperature fluctuating between 46.8°F (8.2°C) and 64.2°F (17.9°C). April's onset witnesses a shift in the average high-temperature, moving from a cool 52.5°F (11.4°C) in March to a refreshing 64.2°F (17.9°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Dow, Illinois, with an average temperature fluctuating between 73.9°F (23.3°C) and 56.7°F (13.7°C). Dow in May sees a temperature change, with average high-temperatures moving from a comfortable 64.2°F (17.9°C) in April to a moderately hot 73.9°F (23.3°C). Weather in May »
Weather in June
June, the first month of the summer in Dow, is still a warm month, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 82.8°F (28.2°C). In Dow, stepping into June brings a gentle temperature nudge, moving slightly up from May's warm 73.9°F (23.3°C) to a still moderately hot 82.8°F (28.2°C). Weather in June »
Weather in July
July, like June, in Dow, Illinois, is another warm summer month, with an average temperature ranging between max 84.7°F (29.3°C) and min 67.6°F (19.8°C). Dow's temperatures peak on average in July, reaching 84.7°F (29.3°C) at their highest and 67.6°F (19.8°C) at their lowest. The heat index value during July is appraised at a sweltering 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Dow, Illinois, with an average temperature fluctuating between 65.5°F (18.6°C) and 83.7°F (28.7°C). Transitioning into August, Dow records an average high-temperature of a still warm 83.7°F (28.7°C), almost identical to July's 84.7°F (29.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dow, Illinois, with an average temperature fluctuating between 78.4°F (25.8°C) and 59.4°F (15.2°C). With the arrival of September, Dow's average high-temperature registers at a still moderately hot 78.4°F (25.8°C), indicating a subtle variation from the previous month. Weather in September »
Weather in October
October, like September, in Dow, Illinois, is another comfortable autumn month, with an average temperature ranging between max 65.3°F (18.5°C) and min 48.2°F (9°C). In October, the meteorological conditions alter, with the average high-temperature shifting from a warm 78.4°F (25.8°C) in September to an enjoyable 65.3°F (18.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Dow, is also a fresh month, with an average temperature varying between 36.9°F (2.7°C) and 51.8°F (11°C). The onset of November results in a decrease in the average high-temperature, receding from an enjoyable 65.3°F (18.5°C) in October to a fresh 51.8°F (11°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Dow, Illinois, with an average temperature fluctuating between 40.6°F (4.8°C) and 29.3°F (-1.5°C). Dow's December weather comes with a decrease in average high-temperatures, moving from a cool 51.8°F (11°C) in November to a cold 40.6°F (4.8°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Dow?
Dow, Illinois, witnesses the coldest weather in January, with temperatures averaging a high of 35.6°F (2°C) and a low of 22.6°F (-5.2°C).
What is the driest month in Dow?
January is the month with the least rainfall in Dow. Rain falls for 5.9 days and accumulates 1.06" (27mm) of precipitation.
How many days does it rain in Dow?
Throughout the year, there are 136.5 rainfall days, and 23.11" (587mm) of precipitation is accumulated.
When does it snow in Dow?
January through March, November and December are months with snowfall in Dow, Illinois.
How much does it snow in Dow?
Throughout the year, there are 20.9 snowfall days, and 6.26" (159mm) of snow is accumulated.
What is the month with the least sunshine in Dow?
The month with the least sunshine is January, with an average of 4.5h of sunshine.
What is the month with the lowest UV index in Dow?
The months with the lowest UV index in Dow, Illinois, are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most in Dow?
The month with the most snowfall is February, when snow falls for 5.9 days and typically aggregates up to 2.17" (55mm) of snow.
When is Daylight Saving Time (DST) in Dow?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dow, 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.
When it does not snow in Dow?
In Dow, snow does not fall in April through October.
What are the months with the highest UV index in Dow?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the wettest month in Dow?
The month with the most rainfall in Dow is June, when the rain falls for 14.3 days and typically aggregates up to 3.07" (78mm) of precipitation.
When are the longest days in Dow?
With an average of 14h and 54min of daylight, June has the longest days of the year in Dow.
What month has the most sunshine in Dow?
The month with the most sunshine in Dow is June, with an average of 10.4h of sunshine.
What time of the year is the hottest in Dow?
In Dow, July registers the highest temperatures, averaging 84.7°F (29.3°C) at the peak and 67.6°F (19.8°C) at the lowest.
What is the most humid month in Dow?
July is the most humid month, with an average relative humidity of 80%.
What is the least humid month in Dow?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days in Dow?
With an average of 9h and 30min of daylight, December has the shortest days of the year in Dow, Illinois.
Average temperature
Dow, IL
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.6°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure
Dow, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"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 (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Dow, IL
- Average wind speed in January:
9.6mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.4mph - Average wind speed in May:
7.6mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8.2mph - Average wind speed in November:
9mph - Average wind speed in December:
9.1mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Dow, IL
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Dow, IL
- Average rainfall in January:
1.06" - Average rainfall in February:
1.18" - Average rainfall in March:
1.77" - Average rainfall in April:
2.64" - Average rainfall in May:
2.68" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.52" - Average rainfall in September:
1.57" - Average rainfall in October:
1.65" - Average rainfall in November:
1.34" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days
Dow, IL
- Average rainfall days in January:
5.9 days - Average rainfall days in February:
6.7 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
13 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall
Dow, IL
The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Dow, IL
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
5.9 days - Average snowfall days in March:
2.6 days - Average snowfall days in April:
0.2 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:
1.5 days - Average snowfall days in December:
4.4 days
The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dow, 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 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - 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 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Dow, IL
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
16.2 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
18.9 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is January (20.3 days).
The months with the least sunshine days are May and June (12.3 days).
Average UV index
Dow, 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, November and December (UV index 2).
Average cloud cover
Dow, IL
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility
Dow, 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).
Dow, Illinois, USA
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