June weather forecastDiagonal, IA

June

Weather in June

June, the first month of the summer in Diagonal, is a warm month, with an average temperature ranging between min 63.3°F (17.4°C) and max 79.9°F (26.6°C).

Temperature

As June sets, the average high-temperature shows an increase, moving up from an agreeable 69.6°F (20.9°C) in May to a moderately hot 79.9°F (26.6°C). During the month of June, the nighttime temperature falls to an average of 63.3°F (17.4°C).

Humidity

With an average relative humidity of 82%, June is the most humid month in Diagonal.

Rainfall

The month with the most rainfall is June, when the rain falls for 16.1 days and typically aggregates up to 3.86" (98mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

June has the longest days of the year, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:47 am and sunset at 8:43 pm. On the last day of June, sunrise is at 5:49 am and sunset at 8:52 pm CDT.

Sunshine

In June, the average sunshine is 9.7h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: During June, 6 as the daily maximum UV index converts into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. 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.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Diagonal in June has an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 63.3°F (17.4°C).

With an average relative humidity of 82%, June is the most humid month.

In June, the average relative humidity is 82%.

June is the month with the most rainfall. Rain falls for 16.1 days and accumulates 3.86" (98mm) of precipitation.

In Diagonal, during June, the rain falls for 16.1 days and regularly aggregates up to 3.86" (98mm) of precipitation.

In Diagonal, Iowa, snow does not fall in June through September.

In June, it doesn't snow. May is the latest month when it typically snows.

With an average of 15h and 6min of daylight, June has the longest days of the year.

In June, the average day length is 15h and 4min.

In June, on the first day of the month, sunrise is at 5:47 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:52 pm CDT.

In June, the average sunshine duration is 9.7h.

June through August, with an average maximum UV index of 6, are months with the highest UV index.

In Diagonal, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Diagonal, IA

  • Average high temperature in June: 79.9°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in June: 63.3°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in June
Diagonal, IA

  • Average pressure in June: 29.88"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in June
Diagonal, IA

  • Average wind speed in June: 7.9mph

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in June
Diagonal, IA

  • Average humidity in June: 82%

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Diagonal, IA

  • Average rainfall in June: 3.86"

The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").

Average rainfall days in June
Diagonal, IA

  • Average rainfall days in June: 16.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in June
Diagonal, IA

  • Average snowfall in June: 0"

The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Diagonal, IA

  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in June: 15h and 6min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 9h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in June
Diagonal, IA

  • Average sunshine days in June: 11.1 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in June
Diagonal, IA

  • Average UV index in June: 6

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

Average cloud cover in June
Diagonal, IA

  • Average cloud cover in June: 32

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in June
Diagonal, IA

  • Average visibility in June: 6mi

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