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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
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Dorsey, Illinois, with an average temperature varying between 23°F (-5°C) and 36°F (2.2°C). Dorsey's coldest weather arrives in January, when temperatures average a high of 36°F (2.2°C) and a low of 23°F (-5°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Dorsey, Illinois, with an average temperature ranging between max 40.8°F (4.9°C) and min 26.4°F (-3.1°C). Welcoming February, Dorsey notes an average high-temperature of a still wintry 40.8°F (4.9°C), nearly consistent with January's 36°F (2.2°C). Weather in February »
Weather in March
March, the first month of the spring in Dorsey, is a cool month, with an average temperature fluctuating between 52.3°F (11.3°C) and 36.9°F (2.7°C). March brings a temperature change, with average high-temperatures moving from February's cold 40.8°F (4.9°C) to a cool 52.3°F (11.3°C). Weather in March »
Weather in April
April is an enjoyable spring month in Dorsey, Illinois, with an average temperature fluctuating between 64°F (17.8°C) and 46.6°F (8.1°C). A rise in the average high-temperature is observed during April, moving from a fresh 52.3°F (11.3°C) in March to a refreshing 64°F (17.8°C). Weather in April »
Weather in May
May, the last month of the spring in Dorsey, is a warm month, with an average temperature varying between 56.8°F (13.8°C) and 73.9°F (23.3°C). May's arrival sees a rise in the average high-temperature, jumping from April's enjoyable 64°F (17.8°C) to a warm 73.9°F (23.3°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Dorsey, Illinois, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 65.5°F (18.6°C). June sees a marginal temperature increase, moving from 73.9°F (23.3°C) in May to a still warm 82.8°F (28.2°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Dorsey, Illinois, with an average temperature ranging between min 67.5°F (19.7°C) and max 84.4°F (29.1°C). July, with its high-temperature average of 84.4°F (29.1°C) and a low-temperature average of 67.5°F (19.7°C), is the warmest month. During July, the heat index is calculated to be a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Dorsey, is another warm month, with an average temperature fluctuating between 65.5°F (18.6°C) and 83.1°F (28.4°C). Dorsey records an average high-temperature of a still warm 83.1°F (28.4°C) as August arrives, nearly mirroring the previous month's climate. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dorsey, Illinois, with an average temperature varying between 59.4°F (15.2°C) and 78.1°F (25.6°C). During September, Dorsey observes a subtle ascent to a still warm 78.1°F (25.6°C) from August's 83.1°F (28.4°C) in the average high-temperature. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Dorsey, Illinois, with an average temperature fluctuating between 48.4°F (9.1°C) and 65.3°F (18.5°C). During the transition into October, Dorsey observes a decrease in the average high-temperature, falling from a warm 78.1°F (25.6°C) in September to a refreshing 65.3°F (18.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Dorsey, is another cool month, with an average temperature ranging between max 51.8°F (11°C) and min 37°F (2.8°C). November's arrival corresponds with a decrease in average high-temperatures, from October's comfortable 65.3°F (18.5°C) to a fresh 51.8°F (11°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Dorsey, Illinois, with an average temperature ranging between max 40.8°F (4.9°C) and min 29.3°F (-1.5°C). December comes with a drop in the average high-temperature, falling from November's cool 51.8°F (11°C) to a wintry 40.8°F (4.9°C). Weather in December »
Updated: Aug 10, 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?
January brings the lowest temperatures, with an average high of 36°F (2.2°C) and an average low of 23°F (-5°C).
How much does it rain?
In Dorsey, during the entire year, the rain falls for 115.4 days and collects up to 13.23" (336mm) of precipitation.
When does it snow?
Months with snowfall are January through March, November and December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 5.1 days and accumulates 0.87" (22mm) of snow.
How many days does it snow?
Throughout the year, there are 17 snowfall days, and 2.99" (76mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 4.4h of sunshine.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 5.4 days and typically collects 0.55" (14mm) of precipitation.
When is Daylight Saving Time (DST)?
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.
When it does not snow?
In Dorsey, snow does not fall in April through October.
When are the longest days?
With an average of 14h and 54min of daylight, June has the longest days of the year.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.3h of sunshine.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What are the warmest months?
Dorsey witnesses the warmest weather in July, with temperatures averaging a high of 84.4°F (29.1°C) and a low of 67.5°F (19.7°C).
What is the most humid month?
With an average relative humidity of 81%, July is the most humid month.
What is the wettest month?
August is the month with the most rainfall. Rain falls for 12.3 days and accumulates 1.77" (45mm) of precipitation.
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Dorsey, IL
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36°F).
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure
Dorsey, 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:
29.94"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:
29.98"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 (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Dorsey, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.5mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.4mph - Average wind speed in October:
8.3mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity
Dorsey, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Dorsey, IL
- Average rainfall in January:
0.71" - Average rainfall in February:
0.55" - Average rainfall in March:
0.91" - Average rainfall in April:
1.38" - Average rainfall in May:
1.65" - Average rainfall in June:
1.57"
- Average rainfall in July:
1.5" - Average rainfall in August:
1.77" - Average rainfall in September:
0.83" - Average rainfall in October:
1.06" - Average rainfall in November:
0.67" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days
Dorsey, IL
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
13.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
9.1 days - Average rainfall days in October:
8.3 days - Average rainfall days in November:
7 days - Average rainfall days in December:
5.1 days
The months with the highest number of rainy days are May and July (13.8 days).
The month with the least rainy days is December (5.1 days).
Average snowfall
Dorsey, IL
The month with the highest snowfall is January (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Dorsey, IL
- Average snowfall days in January:
5.1 days - Average snowfall days in February:
4.6 days - Average snowfall days in March:
2.4 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:
3.3 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dorsey, 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 2min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Dorsey, IL
- Average sunshine days in January:
22.4 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
15 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
16.5 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index
Dorsey, 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
Dorsey, IL
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility
Dorsey, 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).