Climate and monthly weather forecastDawson, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Dawson, Illinois, is another cold winter month, with an average temperature varying between 20.8°F (-6.2°C) and 33.1°F (0.6°C). In Dawson, the month of January is known for its lowest average temperatures, reaching a high of 33.1°F (0.6°C) and a low of 20.8°F (-6.2°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Dawson, Illinois, with an average temperature varying between 25°F (-3.9°C) and 37.9°F (3.3°C). The advent of February sees the average high-temperature at a still icy 37.9°F (3.3°C), subtly shifted from January's 33.1°F (0.6°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Dawson, Illinois, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 35.6°F (2°C). With the onset of March, Dawson's average high-temperature sees a rise, moving from February's wintry 37.9°F (3.3°C) to a fresh 51.1°F (10.6°C). Weather in March »Weather in April
April in Dawson, Illinois, is a comfortable spring month, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 63.1°F (17.3°C). As March transitions into April, Dawson sees a rise in the average high-temperature, moving from a cool 51.1°F (10.6°C) to a refreshing 63.1°F (17.3°C). Weather in April »Weather in May
May, the last month of the spring in Dawson, is a pleasant month, with an average temperature ranging between max 72.9°F (22.7°C) and min 56.5°F (13.6°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's refreshing 63.1°F (17.3°C) to a pleasant 72.9°F (22.7°C). Weather in May »Weather in June
June, the first month of the summer in Dawson, is a warm month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 64.4°F (18°C). As Dawson, Illinois, transitions into June, a marginal rise in the average high-temperature is observed, moving from an agreeable 72.9°F (22.7°C) in May to a moderately hot 81.1°F (27.3°C). Weather in June »Weather in July
July, like June, in Dawson, Illinois, is a moderately hot summer month, with an average temperature ranging between max 82.8°F (28.2°C) and min 66°F (18.9°C). July, on average, is the warmest month, registering a high temperature of 82.8°F (28.2°C) and a low of 66°F (18.9°C). In July, the heat index is appraised at a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Dawson, Illinois, with an average temperature varying between 64°F (17.8°C) and 81.7°F (27.6°C). The transition into August is marked with an average high-temperature of a still moderately hot 81.7°F (27.6°C), showing an insignificant shift from July's 82.8°F (28.2°C). Weather in August »Weather in September
September, the first month of the autumn in Dawson, is also a moderately hot month, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 77.2°F (25.1°C). Dawson in September witnesses an average high-temperature of a still warm 77.2°F (25.1°C), indicating a slight variation from August's 81.7°F (27.6°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Dawson, Illinois, with an average temperature fluctuating between 64°F (17.8°C) and 48.2°F (9°C). Dawson's weather in October involves a decrease in the average high-temperature, moving down from September's warm 77.2°F (25.1°C) to a refreshing 64°F (17.8°C). Weather in October »Weather in November
November, the last month of the autumn in Dawson, is also a fresh month, with an average temperature varying between 50°F (10°C) and 36.5°F (2.5°C). Dawson's progression into November includes a drop in the average high-temperature, from a comfortable 64°F (17.8°C) in October to a cool 50°F (10°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Dawson, Illinois, with an average temperature fluctuating between 28.2°F (-2.1°C) and 38.7°F (3.7°C). December comes with a decrease in the average high-temperature, falling from a cool 50°F (10°C) in November to an icy 38.7°F (3.7°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
The coldest temperatures occur during January, when averages reach a peak of 33.1°F (0.6°C) and a low of 20.8°F (-6.2°C).
In Dawson, Illinois, during the entire year, the rain falls for 131.5 days and collects up to 18.54" (471mm) of precipitation.
January through April, November and December are months with snowfall in Dawson.
January is the month with the most snowfall in Dawson. Snow falls for 8 days and accumulates 1.81" (46mm) of snow.
Throughout the year, in Dawson, there are 24.5 snowfall days, and 5.51" (140mm) of snow is accumulated.
January has the least sunshine of the year in Dawson, with an average of 4.1h of sunshine.
The months with the lowest UV index in Dawson, Illinois, are January, February, November and December, with an average maximum UV index of 2.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Dawson, 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 Dawson, Illinois, snow does not fall in May through October.
June is the month with the most rainfall. Rain falls for 14.6 days and accumulates 2.36" (60mm) of precipitation.
June has the longest days of the year, with an average of 15h and 0min of daylight.
With an average of 10.4h of sunshine, June has the most sunshine of the year.
June through August, with an average maximum UV index of 6, are months with the highest UV index in Dawson.
In Dawson, July records the average highest temperatures, peaking at 82.8°F (28.2°C) and reaching a low of 66°F (18.9°C).
With an average relative humidity of 84%, July is the most humid month.
October is the least humid month in Dawson, Illinois, with an average relative humidity of 70%.
The month with the least rainfall is December, when the rain falls for 6.6 days and typically collects 0.83" (21mm) of precipitation.
With an average of 9h and 24min of daylight, December has the shortest days of the year in Dawson.
Average temperature
Dawson, IL
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure
Dawson, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"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:
30.12"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 (29.91"Hg).
Average wind speed
Dawson, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.8mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Dawson, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Dawson, IL
- Average rainfall in January:
1.06" - Average rainfall in February:
0.98" - Average rainfall in March:
1.34" - Average rainfall in April:
2.05" - Average rainfall in May:
2.09" - Average rainfall in June:
2.36"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.89" - Average rainfall in September:
1.85" - Average rainfall in October:
1.46" - Average rainfall in November:
0.94" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days
Dawson, IL
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
17 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.7 days).
Average snowfall
Dawson, IL
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Dawson, IL
- Average snowfall days in January:
8 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
3.3 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:
1.5 days - Average snowfall days in December:
4.8 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dawson, 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 24min - 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:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 24min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 12min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 42min
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 6min).
Average sunshine days
Dawson, IL
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
20 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Dawson, 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
Dawson, IL
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility
Dawson, 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).
