June weather forecast
Dewey, IL

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Weather in June

June, the first month of the summer in Dewey, is a moderately hot month, with an average temperature ranging between min 63.7°F (17.6°C) and max 79.9°F (26.6°C).

Temperature

A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from an agreeable 72.1°F (22.3°C) in May to a moderately hot 79.9°F (26.6°C). Dewey's temperature drops to an average low of 63.7°F (17.6°C) during the nights of June.

Humidity

In Dewey, the average relative humidity in June is 80%.

Rainfall

In Dewey, in June, it is raining for 13 days, with typically 1.34" (34mm) of accumulated precipitation. In Dewey, during the entire year, the rain falls for 115.9 days and collects up to 10.87" (276mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 0min of daylight.
On the first day of the month, sunrise is at 5:24 am and sunset at 8:17 pm. On the last day of June, sunrise is at 5:26 am and sunset at 8:27 pm CDT.

Sunshine

June has the most sunshine of the year, with an average of 10.1h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Dewey. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Dewey in June?

The high-temperature, in June, in Dewey, records 79.9°F (26.6°C), while the low-temperature is 63.7°F (17.6°C).

What is the average humidity in June?

In June, the average relative humidity is 80%.

How much does it rain in June?

In Dewey, in June, during 13 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 15h and 0min of daylight.

What is the average length of the day in June?

The average day length in June is 15h and 0min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:24 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:27 pm CDT.

What month has the most sunshine?

With an average of 10.1h of sunshine, June has the most sunshine of the year.

How long on average sun shines in June?

In June, the average sunshine duration is 10.1h.

What is the month with the highest UV index?

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

What is the UV index reading in June in Dewey?

In June, the average daily maximum UV index in Dewey is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe 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
Dewey, IL

Average temperature in June - Dewey, IL
  • Average high temperature in June: 79.9°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in June: 63.7°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in June
Dewey, IL

Average pressure in June - Dewey, IL
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Dewey, IL

Average wind speed in June - Dewey, IL
  • Average wind speed in June: 7.8mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in June
Dewey, IL

Average humidity in June - Dewey, IL
  • Average humidity in June: 80%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall in June
Dewey, IL

Average rainfall in June - Dewey, IL
  • Average rainfall in June: 1.34"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in June
Dewey, IL

Average rainfall days in June - Dewey, IL
  • Average rainfall days in June: 13 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in June
Dewey, IL

Average snowfall in June - Dewey, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Dewey, IL

Average snowfall days in June - Dewey, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Dewey, IL

Average daylight in June / Average sunshine in June - Dewey, IL
  • Average daylight in June: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in June: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in June
Dewey, IL

Average sunshine days in June - Dewey, IL
  • Average sunshine days in June: 13.3 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in June
Dewey, IL

Average UV index in June - Dewey, IL
  • Average UV index in June: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in June
Dewey, IL

Average cloud cover in June - Dewey, IL
  • Average cloud cover in June: 32

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

Average visibility in June
Dewey, IL

Average visibility in June - Dewey, IL
  • Average visibility in June: 6mi

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

Dewey, Illinois, USA

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