June weather forecast
Marion, IA

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Weather in June

June in Marion, Iowa brings the onset of summer, boasting the highest concentration of daylight hours for the year. Dry days are prevalent, and high temperatures become the norm. An increase in wind speed provides some relief from the hot and humid conditions. Being the first burst of the summer heat, June can test one's preparedness for the coming hot months. The lengthy evening sunlight hours afford people plenty of time for summer outings and activities.

Temperature

Marion in June sees a temperature change, with average high-temperatures moving from a pleasant 68.9°F (20.5°C) in May to a warm 77.9°F (25.5°C). An average minimum temperature of 61.5°F (16.4°C) marks the month of June in Marion.

Humidity

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

Rainfall

In Marion, Iowa, in June, during 18.8 rainfall days, 4.37" (111mm) of precipitation is typically accumulated. In Marion, during the entire year, the rain falls for 147.9 days and collects up to 31.57" (802mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

June has the longest days of the year in Marion, with an average of 15h and 12min of daylight.
On the first day of the month, sunrise is at 5:32 am and sunset at 8:35 pm. On the last day of June, sunrise is at 5:34 am and sunset at 8:46 pm CDT.

Sunshine

In Marion, Iowa, the average sunshine in June is 9.5h.

UV index

In June, the average daily maximum UV index in Marion is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In June, the average maximum UV index of 5 translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Marion in June?

During June, Marion experiences an average high-temperature of 77.9°F (25.5°C) and a low-temperature of 61.5°F (16.4°C).

What is the average humidity in June in Marion?

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

How many days does it rain in June in Marion?

In Marion, in June, during 18.8 rainfall days, 4.37" (111mm) of precipitation is typically accumulated.

When it does not snow in Marion?

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

When are the longest days in Marion?

The month with the longest days in Marion is June, with an average of 15h and 12min of daylight.

What is the average length of the day in June in Marion?

In Marion, the average day length in June is 15h and 11min.

When is the sunrise / sunset in June in Marion?

In June, on the first day of the month, sunrise is at 5:32 am and sunset at 8:35 pm. On the last day of the month, in Marion, sunrise is at 5:34 am and sunset at 8:46 pm CDT.

How long on average sun shines in June in Marion?

In Marion, the average sunshine duration in June is 9.5h.

How high is the UV index in June in Marion?

In June, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium 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
Marion, IA

Average temperature in June - Marion, IA
  • Average high temperature in June: 77.9°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in June: 61.5°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in June
Marion, IA

Average pressure in June - Marion, 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).

Average wind speed in June
Marion, IA

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

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in June
Marion, IA

Average humidity in June - Marion, IA
  • Average humidity in June: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

Average rainfall in June
Marion, IA

Average rainfall in June - Marion, IA
  • Average rainfall in June: 4.37"

The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is January (1.34").

Average rainfall days in June
Marion, IA

Average rainfall days in June - Marion, IA
  • Average rainfall days in June: 18.8 days

The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (5.2 days).

Average snowfall in June
Marion, IA

Average snowfall in June - Marion, IA
  • Average snowfall in June: 0"

The month with the highest snowfall is January (5.79").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Marion, IA

Average snowfall days in June - Marion, IA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Marion, 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 12min).

  • Average sunshine in June: 9h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in June
Marion, IA

Average sunshine days in June - Marion, IA
  • Average sunshine days in June: 8.1 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in June
Marion, IA

Average UV index in June - Marion, IA
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in June
Marion, IA

Average cloud cover in June - Marion, IA
  • Average cloud cover in June: 36

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).

Average visibility in June
Marion, IA

Average visibility in June - Marion, 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).

Marion, Iowa, USA

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