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
A small railway line in Dubuque, Iowa, set on a hilly and scenic greenery spot overlooking the brown buildings in the rest of the city
Weather in January
January, the same as December, in Dubuque, Iowa, is another subzero cold winter month, with temperature in the range of an average high of 25°F (-3.9°C) and an average low of 12.4°F (-10.9°C). January is the coldest month, with an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 12.4°F (-10.9°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Dubuque, Iowa, with an average temperature ranging between max 28.6°F (-1.9°C) and min 15.3°F (-9.3°C). In Dubuque, the average high-temperature in February is relatively the same as in January - a still freezing cold 28.6°F (-1.9°C). Weather in February »
Weather in March
March, the first month of the spring in Dubuque, is a chilly month, with an average temperature fluctuating between 28.4°F (-2°C) and 43.3°F (6.3°C). In Dubuque, Iowa, the average high-temperature in March soars, from a subzero cold 28.6°F (-1.9°C) in February, to a chilly 43.3°F (6.3°C). Weather in March »
Weather in April
April in Dubuque, Iowa, is a mild spring month, with an average temperature ranging between min 38.8°F (3.8°C) and max 55.9°F (13.3°C). In Dubuque, Iowa, the average high-temperature in April rises from a frosty 43.3°F (6.3°C) in March to a mild 55.9°F (13.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Dubuque, Iowa, with an average temperature fluctuating between 50.2°F (10.1°C) and 66.9°F (19.4°C). In May, the average high-temperature rises from a moderate 55.9°F (13.3°C) in April to an enjoyable 66.9°F (19.4°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Dubuque, Iowa, with an average temperature fluctuating between 59.4°F (15.2°C) and 76.3°F (24.6°C). In June, the average high-temperature rises from an enjoyable 66.9°F (19.4°C) in May to a warm 76.3°F (24.6°C). Weather in June »
Weather in July
July, like June, in Dubuque, Iowa, is a moderately hot summer month, with an average temperature fluctuating between 62.8°F (17.1°C) and 79.7°F (26.5°C). July is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 62.8°F (17.1°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Dubuque, Iowa, with an average temperature ranging between max 78.6°F (25.9°C) and min 60.4°F (15.8°C). In Dubuque, the average high-temperature in August is essentially the same as in July - a still warm 78.6°F (25.9°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Dubuque, Iowa, with an average temperature fluctuating between 72.5°F (22.5°C) and 53.2°F (11.8°C). In Dubuque, the average high-temperature in September marginally drops from a moderately hot 78.6°F (25.9°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »
Weather in October
October, the same as September, in Dubuque, Iowa, is a moderate autumn month, with an average temperature varying between 58.1°F (14.5°C) and 41.9°F (5.5°C). In October, the average high-temperature plummets from an agreeable 72.5°F (22.5°C) in September to a mild 58.1°F (14.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Dubuque, Iowa, with an average temperature varying between 30.6°F (-0.8°C) and 43.9°F (6.6°C). In November, the average high-temperature drops from a mild 58.1°F (14.5°C) in October to a frosty 43.9°F (6.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a freezing cold month in Dubuque, Iowa, with an average temperature fluctuating between 31.5°F (-0.3°C) and 21°F (-6.1°C). In December, the average high-temperature decreases from a chilly 43.9°F (6.6°C) in November to a freezing cold 31.5°F (-0.3°C). Weather in December »
[Resources]FAQ
What is the coldest month in Dubuque?
With an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 12.4°F (-10.9°C), January is the coldest month.
What are the most humid months in Dubuque?
January and February, with an average relative humidity of 87%, are most humid months.
What is the driest month in Dubuque?
The months with the least rainfall in Dubuque, Iowa, are January and February Rain falls for 4.8 days and accumulates 1.14" (29mm) of rain.
How much does it rain in Dubuque?
Throughout the year, in Dubuque, Iowa, there are 135.3 rainfall days, and 27.4" (696mm) of precipitation is accumulated.
When does it snow in Dubuque?
Months with snowfall are January through April, October through December.
What is the snowiest month in Dubuque?
January is the month with the most snowfall. Snow falls for 12.8 days and accumulates 4.88" (124mm) of snow.
How much does it snow in Dubuque?
In Dubuque, Iowa, during the entire year, snow falls for 43.9 days and aggregates up to 17.09" (434mm) of snow.
What is the month with the least sunshine in Dubuque?
January has the least sunshine of the year in Dubuque, Iowa, with an average of 3.5h of sunshine.
What is the month with the lowest UV index in Dubuque?
The months with the lowest UV index in Dubuque, Iowa, are January, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Dubuque?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Dubuque, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Dubuque?
The wettest months are May and June, with an average 3.7" (94mm) of rainfall.
When it does not snow in Dubuque?
May through September are months without snowfall in Dubuque, Iowa.
When are the longest days in Dubuque?
The month with the longest days in Dubuque is June, with an average of 15h and 15min of daylight.
When is the highest UV index in Dubuque?
With an average maximum UV index of 6, June is the month with the highest UV index in Dubuque.
What is the warmest month in Dubuque?
The warmest month is July, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 62.8°F (17.1°C).
What are the months with the most sunshine in Dubuque?
The months with the most sunshine in Dubuque are July and August, with an average of 9.7h of sunshine.
What is the least humid month in Dubuque?
The least humid month is October, with an average relative humidity of 76%.
What is the month with the shortest days in Dubuque?
The month with the shortest days in Dubuque is December, with an average of 9h and 8min of daylight.
Average temperature
Dubuque, IA
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure
Dubuque, IA
- Average pressure in January:
30.13"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:
29.9"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"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Dubuque, IA
- Average wind speed in January:
10.2mph - Average wind speed in February:
10.1mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.9mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.1mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Dubuque, IA
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall
Dubuque, IA
- Average rainfall in January:
1.14" - Average rainfall in February:
1.14" - Average rainfall in March:
1.61" - Average rainfall in April:
2.91" - Average rainfall in May:
3.7" - Average rainfall in June:
3.7"
- Average rainfall in July:
3.27" - Average rainfall in August:
1.73" - Average rainfall in September:
2.6" - Average rainfall in October:
2.56" - Average rainfall in November:
1.65" - Average rainfall in December:
1.38"
The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days
Dubuque, IA
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.4 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
15.1 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
15 days - Average rainfall days in August:
12.1 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
6.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).
Average snowfall
Dubuque, IA
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Dubuque, IA
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
10 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
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:
0.6 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
9 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Dubuque, IA
- Average daylight in January:
9h and 29min - Average daylight in February:
10h and 35min - Average daylight in March:
11h and 58min - Average daylight in April:
13h and 25min - Average daylight in May:
14h and 38min - Average daylight in June:
15h and 15min
- Average daylight in July:
14h and 56min - Average daylight in August:
13h and 51min - Average daylight in September:
12h and 28min - Average daylight in October:
11h and 2min - Average daylight in November:
9h and 47min - Average daylight in December:
9h and 8min
The month with the longest days is June (Average daylight: 15h and 15min).
The month with the shortest days is December (Average daylight: 9h and 8min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 42min - Average sunshine in March:
6h and 6min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 18min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 54min - Average sunshine in October:
5h and 6min - Average sunshine in November:
4h and 54min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
Dubuque, IA
- Average sunshine days in January:
15.7 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
17 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
17.5 days
The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Dubuque, IA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Dubuque, IA
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Dubuque, IA
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
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