Dubuque
Iowa, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Dubuque, IA

Cars on 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
Cars on 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
January, like December, is another subzero cold winter month in Dubuque, Iowa, with average temperature ranging between max 25°F (-3.9°C) and min 9°F (-12.8°C). The coldest month is January, with an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 9°F (-12.8°C). Weather in January »
February, the last month of the winter, in Dubuque, is also a subzero cold month, with temperature in the range of an average low of 14°F (-10°C) and an average high of 30°F (-1.1°C). In February, the average high-temperature is practically the same as in January - a still subzero cold 30°F (-1.1°C). Weather in February »

March, the first month of the spring, in Dubuque, is a wintry month, with average temperature ranging between max 42.1°F (5.6°C) and min 25°F (-3.9°C). In Dubuque, the average high-temperature increases, from a subzero cold 30°F (-1.1°C) in February, to a cold 42.1°F (5.6°C). Weather in March »

April in Dubuque, Iowa, is a moderate spring month, with average temperature ranging between max 57.9°F (14.4°C) and min 37°F (2.8°C). In April, the average high-temperature significantly increases, from a cold 42.1°F (5.6°C) in March, to a mild 57.9°F (14.4°C). Weather in April »

May, the last month of the spring, in Dubuque, is a pleasant month, with average temperature varying between 69.1°F (20.6°C) and 48°F (8.9°C). In May, the average high-temperature increases, from a moderate 57.9°F (14.4°C) in April, to a pleasant 69.1°F (20.6°C). Weather in May »

The first month of the summer, June, is a warm month in Dubuque, Iowa, with average temperature fluctuating between 79°F (26.1°C) and 57.9°F (14.4°C). In June, the average high-temperature rises, from an agreeable 69.1°F (20.6°C) in May, to a warm 79°F (26.1°C). Weather in June »

July, like June, in Dubuque, Iowa, is another warm summer month, with average temperature fluctuating between 82°F (27.8°C) and 62.1°F (16.7°C). With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 62.1°F (16.7°C), July is the warmest month. Weather in July »

The last month of the summer, August, is also a moderately hot month in Dubuque, Iowa, with temperature in the range of an average low of 60.1°F (15.6°C) and an average high of 80.1°F (26.7°C). In Dubuque, the average high-temperature is essentially the same as in July - a still warm 80.1°F (26.7°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in Dubuque, Iowa, with temperature in the range of an average low of 51.1°F (10.6°C) and an average high of 72°F (22.2°C). In September, the average high-temperature slightly decreases, from a warm 80.1°F (26.7°C) in August, to an agreeable 72°F (22.2°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Dubuque, Iowa, with average temperature fluctuating between 39.9°F (4.4°C) and 61°F (16.1°C). In Dubuque, the average high-temperature in October decreases, from an agreeable 72°F (22.2°C) in September, to a comfortable 61°F (16.1°C). Weather in October »

The last month of the autumn, November, is another chilly month in Dubuque, Iowa, with temperature in the range of an average high of 44.1°F (6.7°C) and an average low of 27°F (-2.8°C). In Dubuque, Iowa, the average high-temperature in November declines considerably, from a comfortable 61°F (16.1°C) in October, to a frosty 44.1°F (6.7°C). Weather in November »

December, the first month of the winter, in Dubuque, is also a subzero cold month, with average temperature varying between 15.1°F (-9.4°C) and 30°F (-1.1°C). In Dubuque, the average high-temperature decreases, from a frosty 44.1°F (6.7°C) in November, to a subzero cold 30°F (-1.1°C). Weather in December »

What is the coldest month in Dubuque?

With an average high-temperature of 25°F (-3.9°C) and an average low-temperature of 9°F (-12.8°C), January is the coldest month.

How many days does it rain in Dubuque?

Throughout the year, in Dubuque, there are 116 rainfall days, and 37.8" (960.1mm) of precipitation is accumulated.

What is the driest month in Dubuque?

January and February are months with the least rain when the rain falls for 9 days and typically aggregates up to 1.3" (33mm) of rain.

What are the months with the lowest UV index in Dubuque?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Dubuque.

When are the longest days in Dubuque?

The month with the longest days is June, with an average of 15.3h of daylight.

What month has the most sunshine in Dubuque?

The month with the most sunshine in Dubuque is June, with an average of 11h of sunshine.

What is the warmest month in Dubuque?

The warmest month in Dubuque is July, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 62.1°F (16.7°C).

When is the highest UV index in Dubuque?

The month with the highest UV index is July, with an average maximum UV index of 9.

What is the wettest month in Dubuque?

The month with the most rainfall in Dubuque is August when the rain falls for 9 days and typically aggregates up to 4.6" (116.8mm) of precipitation.

What is the month with the shortest days in Dubuque?

December has the shortest days of the year, with an average of 9.1h of daylight.

What is the month with the least sunshine in Dubuque?

December has the least sunshine of the year in Dubuque, with an average of 4h of sunshine.
Average rainfall - Dubuque, IA
Average rainfall days - Dubuque, IA
Average daylight / Average sunshine - Dubuque, IA