June weather forecast
Iowa City, IA

Golden and brown trees in a scenic, neat lawn near the mighty grandeur of the Old Capitol building, Iowa City
Golden and brown trees in a scenic, neat lawn near the mighty grandeur of the Old Capitol building, Iowa City

Weather in June

June, the first month of the summer in Iowa City, is a moderately hot month, with an average temperature varying between 62.1°F (16.7°C) and 79.2°F (26.2°C).

Temperature

In Iowa City, the average high-temperature in June rises from a pleasant 69.8°F (21°C) in May to a warm 79.2°F (26.2°C). The average low-temperature, in June, is 62.1°F (16.7°C).

Humidity

In Iowa City, the average relative humidity in June is 82%.

Rainfall

In Iowa City, it is raining for 17.7 days, with typically 3.9" (99mm) of accumulated precipitation. In Iowa City, during the entire year, the rain falls for 140.4 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

In Iowa City, Iowa, snow does not fall in May through September.

Daylight

With an average of 15h and 9min of daylight, June has the longest days of the year.
On the first day of June in Iowa City, sunrise is at 5:34 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:44 pm CDT.

Sunshine

In June, the average sunshine is 9.7h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in June in Iowa City?

The average high-temperature, in June, in Iowa City, is 79.2°F (26.2°C), while the average low-temperature is 62.1°F (16.7°C).

What is the average humidity in June in Iowa City?

In June, the average relative humidity in Iowa City is 82%.

How many days does it rain in June in Iowa City?

In June, in Iowa City, the rain falls for 17.7 days. Throughout June, 3.9" (99mm) of precipitation is accumulated.

When it does not snow in Iowa City?

May through September are months without snowfall in Iowa City.

When are the longest days in Iowa City?

June has the longest days of the year, with an average of 15h and 9min of daylight.

How many hours of daylight does Iowa City have in June?

In Iowa City, the average day length in June is 15h and 9min.

What time are sunrise and sunset in June in Iowa City?

In June, on the first day of the month, sunrise is at 5:34 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:44 pm CDT.

How many hours of sunshine does Iowa City have in June?

In June, the average sunshine duration is 9.7h.

What are the months with the highest UV index in Iowa City?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Iowa City, Iowa.

What is the UV index reading in June in Iowa City?

The average daily maximum UV index in June in Iowa City, Iowa, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Iowa City, IA

Average temperature in June - Iowa City, IA
  • Average high temperature in June: 79.2°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in June: 62.1°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in June
Iowa City, IA

Average pressure in June - Iowa City, IA
  • Average pressure in June: 29.9"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in June
Iowa City, IA

Average wind speed in June - Iowa City, IA
  • Average wind speed in June: 7.9mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

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Average humidity in June
Iowa City, IA

Average humidity in June - Iowa City, IA
  • Average humidity in June: 82%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in June
Iowa City, IA

Average rainfall in June - Iowa City, IA
  • Average rainfall in June: 3.9"

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and February (1.34").

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Average rainfall days in June
Iowa City, IA

Average rainfall days in June - Iowa City, IA
  • Average rainfall days in June: 17.7 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5 days).

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Average snowfall in June
Iowa City, IA

Average snowfall in June - Iowa City, IA
  • Average snowfall in June: 0"

The month with the highest snowfall is January (5.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Iowa City, IA

Average snowfall days in June - Iowa City, IA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (10.9 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
Iowa City, IA

Average daylight in June / Average sunshine in June - Iowa City, IA
  • Average daylight in June: 15h and 9min

The month with the longest days is June (Average daylight: 15h and 9min).
The month with the shortest days is December (Average daylight: 9h and 13min).

  • Average sunshine in June: 9h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in June
Iowa City, IA

Average sunshine days in June - Iowa City, IA
  • Average sunshine days in June: 10.1 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10 days).

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Average UV index in June
Iowa City, IA

Average UV index in June - Iowa City, IA
  • Average UV index in June: 6

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in June
Iowa City, IA

Average cloud cover in June - Iowa City, IA
  • Average cloud cover in June: 33

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in June
Iowa City, IA

Average visibility in June - Iowa City, IA
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

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