Des Moines
Iowa, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Des Moines, IA

A close view of city buildings in Des Moines, Iowa
A close view of city buildings in Des Moines, Iowa
The first month of the summer, June, is a moderately hot month in Des Moines, Iowa, with average temperature fluctuating between 81.7°F (27.6°C) and 62.1°F (16.7°C).

Temperature

In June, the average high-temperature increases, from an agreeable 72.3°F (22.4°C) in May, to a moderately hot 81.7°F (27.6°C). In June, the average low-temperature is 62.1°F (16.7°C).

Heat index

The average heat index is estimated at 84.9°F (29.4°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like activity, clothing, differences in body mass, height, and shape, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in Des Moines is 64.8%.

Rainfall

The month with the most rainfall is June when the rain falls for 11.5 days and typically aggregates up to 4.9" (125.5mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15.2h of daylight.

Sunshine

The average sunshine in Des Moines is 10.4h.

UV index

Months with the highest UV index in Des Moines, Iowa, are June and July, with an average maximum UV index of 9. A UV Index of 8 to 10 symbolizes a very high threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 9 in June interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in June in Des Moines?

In June, in Des Moines, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 62.1°F (16.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, in June is evaluated at 84.9°F (29.4°C).

What is the average humidity in June in Des Moines?

The average relative humidity in June in Des Moines, Iowa, is 64.8%.

How much does it rain in Des Moines in June?

In Des Moines, during June, the rain falls for 11.5 days and regularly aggregates up to 4.9" (125.5mm) of precipitation.

What is the wettest month in Des Moines?

June is the month with the most rainfall. Rain falls for 11.5 days and accumulates 4.9" (125.5mm) of precipitation.

When it does not snow in Des Moines?

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

When are the longest days in Des Moines?

With an average of 15.2h of daylight, June has the longest days of the year in Des Moines.

What is the average length of the day in June in Des Moines?

In June, the average length of the day in Des Moines is 15.2h.

How many hours of sunshine does Des Moines have in June?

The average sunshine in June in Des Moines is 10.4h.

What are the months with the highest UV index in Des Moines?

June and July, with an average maximum UV index of 9, are months with the highest UV index.

What is the UV index intensity in June in Des Moines?

In June, the average daily maximum UV index is 9. A UV Index of 8 to 10 symbolizes a very high health threat from the exposure to the Sun's UV radiation.
Average temperature in June - Des Moines, IA
  • Average high temperature in June: 81.6°F

The warmest month (with the highest average high temperature) is July (85.7°F).
The month with the lowest average high temperature is January (31°F).

  • Average low temperature in June: 62°F

The month with the highest average low temperature is July (66.8°F).
The coldest month (with the lowest average low temperature) is January (14.3°F).

Average humidity in June - Des Moines, IA
  • Average humidity in June: 64.8%

The month with the highest relative humidity is December (74.6%).
The month with the lowest relative humidity is May (63%).

Average rainfall in June - Des Moines, IA
  • Average rainfall in June: 4.9"

The wettest month (with the highest rainfall) is June (4.9").
The driest month (with the lowest rainfall) is January (1").

Average rainfall days in June - Des Moines, IA
  • Average rainfall days in June: 11.5 days

The month with the highest number of rainy days is May (12.5 days).
The month with the lowest number of rainy days is January (7.5 days).

Average snowfall in June - Des Moines, IA
  • Average snowfall in June: 0"

The month with the highest snowfall is December (9").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in June - Des Moines, IA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (6.5 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in June / Average sunshine in June - Des Moines, IA
  • Average daylight in June: 15.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in June: 10.4h

The month with most sunshine is July (Average sunshine: 10.9h).
The month with least sunshine is December (Average sunshine: 4.2h).

Average UV index in June - Des Moines, IA
  • Average UV index in June: 9

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).