June weather forecast
Cromwell, IA

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Weather in June

June, the first month of the summer in Cromwell, is a moderately hot month, with an average temperature varying between 79.5°F (26.4°C) and 63.1°F (17.3°C).

Temperature

In Cromwell, stepping into June brings a temperature increase, moving up from May's agreeable 69.3°F (20.7°C) to a warm 79.5°F (26.4°C). Cromwell observes an average nighttime low-temperature of 63.1°F (17.3°C) during the month of June.

Humidity

January and June, with an average relative humidity of 82%, are the most humid months in Cromwell.

Rainfall

The month with the most rainfall is June, when the rain falls for 17 days and typically aggregates up to 4.17" (106mm) of precipitation.

Snowfall

In Cromwell, snow does not fall in June through September.

Daylight

With an average of 15h and 6min of daylight, June has the longest days of the year in Cromwell.
On the first day of June in Cromwell, sunrise is at 5:47 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:54 pm CDT.

Sunshine

In June, the average sunshine in Cromwell is 9.5h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In June, a regular UV index of 6 translates into these guidelines:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What are the temperatures in Cromwell in June?

An average high-temperature, in June, in Cromwell, is 79.5°F (26.4°C) and the average low-temperature is 63.1°F (17.3°C).

What are the most humid months in Cromwell?

January and June, with an average relative humidity of 82%, are most humid months.

What is the average humidity in June in Cromwell?

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

What is the wettest month in Cromwell?

The month with the most rainfall is June, when the rain falls for 17 days and typically aggregates up to 4.17" (106mm) of precipitation.

How many days does it rain in June in Cromwell?

In Cromwell, in June, it is raining for 17 days, with typically 4.17" (106mm) of accumulated precipitation.

When it does not snow in Cromwell?

In Cromwell, snow does not fall in June through September.

Does it snow in Cromwell in June?

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

When are the longest days in Cromwell?

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

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

In June, the average day length is 15h and 5min.

When are sunrise and sunset in June in Cromwell?

In June, on the first day of the month, sunrise is at 5:47 am and sunset at 8:44 pm. On the last day of the month, in Cromwell, Iowa, sunrise is at 5:49 am and sunset at 8:54 pm CDT.

How long on average sun shines in June in Cromwell?

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

What are the months with the highest UV index in Cromwell?

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

What is the UV index intensity in June in Cromwell?

In June, the average daily maximum UV index in Cromwell, Iowa, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Cromwell, IA

Average temperature in June - Cromwell, IA
  • Average high temperature in June: 79.5°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in June: 63.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in June
Cromwell, IA

Average pressure in June - Cromwell, 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).

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Average wind speed in June
Cromwell, IA

Average wind speed in June - Cromwell, IA
  • Average wind speed in June: 8.2mph

The windiest months (with the highest average wind speed) are January and February (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in June
Cromwell, IA

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

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

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Average rainfall in June
Cromwell, IA

Average rainfall in June - Cromwell, IA
  • Average rainfall in June: 4.17"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in June
Cromwell, IA

Average rainfall days in June - Cromwell, IA
  • Average rainfall days in June: 17 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in June
Cromwell, IA

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

The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Cromwell, IA

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

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in June
Cromwell, IA

Average sunshine days in June - Cromwell, IA
  • Average sunshine days in June: 10.9 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in June
Cromwell, IA

Average UV index in June - Cromwell, 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).

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Average cloud cover in June
Cromwell, IA

Average cloud cover in June - Cromwell, IA
  • Average cloud cover in June: 34

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and September (Cloud cover 30).

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Average visibility in June
Cromwell, IA

Average visibility in June - Cromwell, 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).

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Cromwell, Iowa, USA

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