June weather forecast
Dubuque, IA

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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 June

June brings the warm embrace of summer to Dubuque, Iowa. With virtually no snowfall, June is all about clear blue skies, warm temperatures and a notably longer sunshine of 9.3 hours daily. Enjoyable weather conditions facilitate a wide range of activities, from water sports on the Mississippi River to picnics in the city parks. However, protection against the strong UV index of 6 becomes crucial during outdoor activities. The active weather coupled with the city’s activity-filled agenda makes June an excellent time to experience Dubuque's vibrant culture.

Temperature

Dubuque experiences a temperature shift with the start of June, with average high-temperatures moving from a refreshing 66.9°F (19.4°C) in May to a warm 76.3°F (24.6°C). The nighttime temperature, during June, averages of 59.4°F (15.2°C).

Humidity

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

Rainfall

The months with the most rainfall are May and June, with an average 3.7" (94mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

With an average of 15h and 12min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:27 am and sunset at 8:33 pm. On the last day of June, sunrise is at 5:29 am and sunset at 8:43 pm CDT.

Sunshine

In Dubuque, the average sunshine in June is 9.3h.

UV index

June is the month with the highest UV index, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In June, the maximum UV index of 6 suggests these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the average June temperature in Dubuque?

In Dubuque, 76.3°F (24.6°C) is the average high-temperature and 59.4°F (15.2°C) is the average low-temperature during June.

What is the average humidity in June in Dubuque?

The average relative humidity in June is 84%.

What is the wettest month in Dubuque?

The months with the most rainfall are May and June, with an average 3.7" (94mm) of precipitation.

How many days does it rain in June in Dubuque?

In Dubuque, Iowa, during June, the rain falls for 17.3 days and regularly aggregates up to 3.7" (94mm) of precipitation.

When it does not snow in Dubuque?

May through September are months without snowfall in Dubuque.

When are the longest days in Dubuque?

June has the longest days of the year in Dubuque, with an average of 15h and 12min of daylight.

How many hours of daylight does Dubuque have in June?

The average day length in June in Dubuque is 15h and 15min.

What time are sunrise and sunset in June in Dubuque?

In June, on the first day of the month, sunrise is at 5:27 am and sunset at 8:33 pm. On the last day of the month, in Dubuque, Iowa, sunrise is at 5:29 am and sunset at 8:43 pm CDT.

How long on average sun shines in June in Dubuque?

In June, the average sunshine duration in Dubuque is 9.3h.

What is the month with 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, Iowa.

What is the UV index reading in June in Dubuque?

The average daily maximum UV index in June in Dubuque is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
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 June
Dubuque, IA

Average temperature in June - Dubuque, IA
  • Average high temperature in June: 76.3°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 June: 59.4°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).

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Average pressure in June
Dubuque, IA

Average pressure in June - Dubuque, IA
  • Average pressure in June: 29.9"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).

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Average wind speed in June
Dubuque, IA

Average wind speed in June - Dubuque, IA
  • Average wind speed in June: 7.6mph

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).

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Average humidity in June
Dubuque, IA

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

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

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Average rainfall in June
Dubuque, IA

Average rainfall in June - Dubuque, IA
  • Average rainfall in June: 3.7"

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").

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Average rainfall days in June
Dubuque, IA

Average rainfall days in June - Dubuque, IA
  • Average rainfall days in June: 17.3 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).

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Average snowfall in June
Dubuque, IA

Average snowfall in June - Dubuque, IA
  • Average snowfall in June: 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").

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Average snowfall days in June
Dubuque, IA

Average snowfall days in June - Dubuque, IA
  • Average snowfall days in June: 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).

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Average daylight in June /
Average sunshine in June
Dubuque, IA

Average daylight in June / Average sunshine in June - Dubuque, IA
  • Average daylight in June: 15h and 1min

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 June: 9h and 2min

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).

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Average sunshine days in June
Dubuque, IA

Average sunshine days in June - Dubuque, IA
  • Average sunshine days in June: 10.3 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).

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Average UV index in June
Dubuque, IA

Average UV index in June - Dubuque, IA
  • Average UV index in June: 6

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).

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Average cloud cover in June
Dubuque, IA

Average cloud cover in June - Dubuque, IA
  • Average cloud cover in June: 37

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in June
Dubuque, IA

Average visibility in June - Dubuque, IA
  • Average visibility in June: 6mi

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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Dubuque, Iowa, USA

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