July weather forecast
Dubuque, IA

Share
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
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 July

Summertime in the city is at its zenith in July, touting the highest average temperature for the year in Dubuque at 79.7°F (26.5°C). While daytime temperatures can be quite high, evenings offer a pleasing respite with cooler temperatures and a gentle breeze. The city is flush with both local and tourists partaking in a plethora of summer activities and festivals. Despite being one of the months with the highest UV index, the generous daylight hours encourage people to make the most of these long summer days. The combination of hot, humid weather and opportunity for various events make July one of the best times to immerse oneself in Dubuque's lively atmosphere.

Temperature

Temperature readings reach their annual highs in July, averaging 79.7°F (26.5°C) and a minimum average of 62.8°F (17.1°C).

Humidity

In Dubuque, Iowa, the average relative humidity in July is 84%.

Rainfall

In July, the rain falls for 15 days. Throughout July, 3.27" (83mm) of precipitation is accumulated. In Dubuque, during the entire year, the rain falls for 135.3 days and collects up to 27.4" (696mm) of precipitation.

Snowfall

In Dubuque, snow does not fall in May through September.

Daylight

In July, the average length of the day is 14h and 56min.
On the first day of July, sunrise is at 5:29 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:23 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 9.7h of sunshine.

UV index

In Dubuque, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 5 in July leads to these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

What month is the hottest in Dubuque?

July, having an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 62.8°F (17.1°C), is the warmest month.

What is the temperature in July?

July temperatures vary between a high-temperature of 79.7°F (26.5°C) and a low-temperature of 62.8°F (17.1°C).

What is the average humidity in July?

In July, the average relative humidity is 84%.

How much does it rain in Dubuque in July?

In Dubuque, during July, the rain falls for 15 days and regularly aggregates up to 3.27" (83mm) of precipitation.

When it does not snow?

In Dubuque, snow does not fall in May through September.

How many hours of daylight does Dubuque have in July?

The average day length in July is 14h and 56min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:29 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:23 pm CDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 9.7h of sunshine.

How long on average sun shines in July in Dubuque?

In July, the average sunshine duration is 9.7h.

What is the UV index intensity in July?

In July, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Dubuque, IA

Average temperature in July - Dubuque, IA
  • Average high temperature in July: 79.7°F

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).

  • Average low temperature in July: 62.8°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 in July
Dubuque, IA

Average pressure in July - Dubuque, IA
  • Average pressure in July: 29.96"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 in July
Dubuque, IA

Average wind speed in July - Dubuque, IA
  • Average wind speed in July: 6.8mph

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 in July
Dubuque, IA

Average humidity in July - Dubuque, IA
  • Average humidity in July: 84%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).

Average rainfall in July
Dubuque, IA

Average rainfall in July - Dubuque, IA
  • Average rainfall in July: 3.27"

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 in July
Dubuque, IA

Average rainfall days in July - Dubuque, IA
  • Average rainfall days in July: 15 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 in July
Dubuque, IA

Average snowfall in July - Dubuque, IA
  • Average snowfall in July: 0"

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 in July
Dubuque, IA

Average snowfall days in July - Dubuque, IA
  • Average snowfall days in July: 0 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 in July /
Average sunshine in July
Dubuque, IA

Average daylight in July / Average sunshine in July - Dubuque, IA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in July: 9h and 4min

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 in July
Dubuque, IA

Average sunshine days in July - Dubuque, IA
  • Average sunshine days in July: 13.8 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 in July
Dubuque, IA

Average UV index in July - Dubuque, IA
  • Average UV index in July: 5

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 in July
Dubuque, IA

Average cloud cover in July - Dubuque, IA
  • Average cloud cover in July: 35

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 in July
Dubuque, IA

Average visibility in July - Dubuque, IA
  • Average visibility in July: 5mi

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).

Dubuque, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location