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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, like December, is another subzero cold winter month in Dallas City, Illinois, with an average temperature ranging between min 18.5°F (-7.5°C) and max 30.4°F (-0.9°C). With average high and low temperatures of 30.4°F (-0.9°C) and 18.5°F (-7.5°C) respectively, January is Dallas City's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Dallas City, Illinois, with temperature in the range of an average high of 35.4°F (1.9°C) and an average low of 22.1°F (-5.5°C). In February, Dallas City experiences a minor shift in meteorological conditions with average high-temperatures marked at an icy 35.4°F (1.9°C), closely mirroring the climate in January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Dallas City, Illinois, with an average temperature fluctuating between 34.2°F (1.2°C) and 49.5°F (9.7°C). With the onset of March, Dallas City experiences a temperature shift, with the average high-temperature moving from a cold 35.4°F (1.9°C) in February to a chilly 49.5°F (9.7°C). Weather in March »
Weather in April
April in Dallas City, Illinois, is a refreshing spring month, with an average temperature fluctuating between 44.2°F (6.8°C) and 61.2°F (16.2°C). April brings a rise in Dallas City's average high-temperature, moving from a chilly 49.5°F (9.7°C) in March to an enjoyable 61.2°F (16.2°C). Weather in April »
Weather in May
May, the last month of the spring in Dallas City, is a pleasant month, with an average temperature fluctuating between 54.3°F (12.4°C) and 71.1°F (21.7°C). May witnesses an increase in the average high-temperature, moving from a refreshing 61.2°F (16.2°C) in April to a pleasant 71.1°F (21.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Dallas City, Illinois, with an average temperature varying between 80.2°F (26.8°C) and 63.7°F (17.6°C). Dallas City in June shows a temperature shift, moving from an average high of an agreeable 71.1°F (21.7°C) in May to a moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July, like June, in Dallas City, Illinois, is another warm summer month, with an average temperature ranging between min 66.2°F (19°C) and max 82.9°F (28.3°C). In Dallas City, July is the warmest month, with temperatures averaging a high of 82.9°F (28.3°C) and a low of 66.2°F (19°C). For most parts of July, the heat index is appraised at a hot 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Dallas City, Illinois, with an average temperature ranging between max 82.2°F (27.9°C) and min 63.9°F (17.7°C). An average high-temperature of a still moderately hot 82.2°F (27.9°C) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »
Weather in September
September, the first month of the autumn in Dallas City, is also a moderately hot month, with an average temperature fluctuating between 57.4°F (14.1°C) and 77°F (25°C). The advent of September reveals an average high-temperature of a still moderately hot 77°F (25°C), showing minimal difference from the prior month. Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Dallas City, Illinois, with an average temperature fluctuating between 46°F (7.8°C) and 62.6°F (17°C). October's arrival is marked by a notable drop in high-temperatures, falling from a moderately hot 77°F (25°C) in September to a refreshing 62.6°F (17°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Dallas City, Illinois, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 48.7°F (9.3°C). Dallas City's weather changes with the onset of November, slightly falling from an enjoyable 62.6°F (17°C) in October to a frosty 48.7°F (9.3°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Dallas City, Illinois, with an average temperature varying between 36.5°F (2.5°C) and 25.2°F (-3.8°C). In December, the meteorological conditions alter, with the average high-temperature shifting from a frosty 48.7°F (9.3°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Feb 12, 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
What is the coldest month in Dallas City?
The month of January sees the average lowest temperatures, reaching 30.4°F (-0.9°C) at the peak and 18.5°F (-7.5°C) at the low.
What is the driest month in Dallas City?
The months with the least rainfall are January and December Rain falls for 3.7 days and accumulates 0.47" (12mm) of rain.
How many days does it rain in Dallas City?
Throughout the year, in Dallas City, Illinois, there are 101.8 rainfall days, and 9.92" (252mm) of precipitation is accumulated.
When does it snow in Dallas City?
January through April, October through December are months with snowfall.
What is the snowiest month in Dallas City?
January is the month with the most snowfall. Snow falls for 7.7 days and accumulates 1.1" (28mm) of snow.
How many days does it snow in Dallas City?
Throughout the year, in Dallas City, there are 24.5 snowfall days, and 4.25" (108mm) of snow is accumulated.
What is the month with the least sunshine in Dallas City?
With an average of 4.3h of sunshine, January has the least sunshine of the year in Dallas City, Illinois.
When is the lowest UV index in Dallas City?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST) in Dallas City?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dallas City, 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 rainiest month in Dallas City?
May is the month with the most rainfall in Dallas City. Rain falls for 14.4 days and accumulates 1.46" (37mm) of precipitation.
When it does not snow in Dallas City?
May through September are months without snowfall.
When are the longest days in Dallas City?
With an average of 15h and 0min of daylight, June has the longest days of the year in Dallas City, Illinois.
What are the months with the highest UV index in Dallas City?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Dallas City, Illinois.
What part of the year is the hottest in Dallas City?
July, with an average high of 82.9°F (28.3°C) and a low of 66.2°F (19°C), signifies the warmest month of the year.
What is the most humid month in Dallas City?
July is the most humid month in Dallas City, with an average relative humidity of 82%.
What month has the most sunshine in Dallas City?
With an average of 10.4h of sunshine, July has the most sunshine of the year in Dallas City.
What is the least humid month in Dallas City?
With an average relative humidity of 71%, October is the least humid month in Dallas City, Illinois.
What is the month with the shortest days in Dallas City?
December has the shortest days of the year in Dallas City, with an average of 9h and 18min of daylight.
Average temperature
Dallas City, IL
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.4°F).
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure
Dallas City, 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:
29.94"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.02"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Dallas City, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.1mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.9mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity
Dallas City, IL
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Dallas City, IL
- Average rainfall in January:
0.47" - Average rainfall in February:
0.51" - Average rainfall in March:
0.71" - Average rainfall in April:
1.18" - Average rainfall in May:
1.46" - Average rainfall in June:
1.1"
- Average rainfall in July:
1.02" - Average rainfall in August:
0.83" - Average rainfall in September:
0.83" - Average rainfall in October:
0.75" - Average rainfall in November:
0.59" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is May (1.46").
The driest months (with the least rainfall) are January and December (0.47").
Average rainfall days
Dallas City, IL
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
9.6 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
11.2 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
5.9 days - Average rainfall days in December:
4.7 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Dallas City, IL
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Dallas City, IL
- Average snowfall days in January:
7.7 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
3.4 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:
0.4 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 (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dallas City, 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 0min
- 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:
9h and 5min - Average daylight in December:
9h and 2min
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:
4h and 2min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 4min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days
Dallas City, IL
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
18.6 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
14 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
17.6 days - Average sunshine days in September:
19.4 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
21.3 days - Average sunshine days in December:
22.9 days
The month with the most sunshine days is December (22.9 days).
The month with the least sunshine days is May (14 days).
Average UV index
Dallas City, 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
Dallas City, IL
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 28).
Average visibility
Dallas City, 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).
Dallas City, Illinois, USA
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