June weather forecast
Dewey, OK

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Weather in June

The first month of the summer, June, is still a warm month in Dewey, Oklahoma, with an average temperature varying between 85.6°F (29.8°C) and 68.5°F (20.3°C).

Temperature

The average high-temperature increases in June, moving from a moderately hot 75.2°F (24°C) in May to a still warm 85.6°F (29.8°C). The temperature dips to an average of 68.5°F (20.3°C) during June nights.

Heat index

During June, the heat index is estimated at a very hot 96.8°F (36°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
For clarity, heat index numbers account for light winds and areas under shade. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

In June, the average relative humidity is 77%.

Rainfall

In Dewey, in June, it is raining for 11.9 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 131.6 rainfall days, and 29.06" (738mm) of precipitation is accumulated.

Snowfall

In Dewey, Oklahoma, snow does not fall in April through October.

Daylight

June has the longest days of the year, with an average of 14h and 36min of daylight.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:37 pm. On the last day of June, in Dewey, sunrise is at 6:08 am and sunset at 8:46 pm CDT.

Sunshine

In Dewey, the average sunshine in June is 10.5h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 7 in June, converts into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

How hot does it get in Dewey in June?

Dewey in June has an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 68.5°F (20.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in June is estimated at 96.8°F (36°C).

What is the average humidity in June in Dewey?

In Dewey, the average relative humidity in June is 77%.

How many days does it rain in June in Dewey?

In Dewey, in June, it is raining for 11.9 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Dewey?

April through October are months without snowfall in Dewey.

When are the longest days in Dewey?

June has the longest days of the year in Dewey, with an average of 14h and 36min of daylight.

How many hours of daylight does Dewey have in June?

In June, the average day length is 14h and 38min.

When is the sunrise / sunset in June in Dewey?

In June, on the first day of the month, sunrise is at 6:05 am and sunset at 8:37 pm. On the last day of the month, in Dewey, sunrise is at 6:08 am and sunset at 8:46 pm CDT.

How many hours of sunshine does Dewey have in June?

The average sunshine duration in June in Dewey, Oklahoma, is 10.5h.

What is the month with the highest UV index in Dewey?

June and July, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in June in Dewey?

The average daily maximum UV index in June in Dewey is 7. A UV Index estimate of 6 to 7 represents a high health risk 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, OK

Average temperature in June - Dewey, OK
  • Average high temperature in June: 85.6°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in June: 68.5°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

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Average pressure in June
Dewey, OK

Average pressure in June - Dewey, OK
  • Average pressure in June: 29.89"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in June
Dewey, OK

Average wind speed in June - Dewey, OK
  • Average wind speed in June: 8.5mph

The windiest month (with the highest average wind speed) is March (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in June
Dewey, OK

Average humidity in June - Dewey, OK
  • Average humidity in June: 77%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, October and November (68%).

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Average rainfall in June
Dewey, OK

Average rainfall in June - Dewey, OK
  • Average rainfall in June: 1.97"

The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is November (1.02").

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Average rainfall days in June
Dewey, OK

Average rainfall days in June - Dewey, OK
  • Average rainfall days in June: 11.9 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in June
Dewey, OK

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

The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
Dewey, OK

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

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in June / Average sunshine in June - Dewey, OK
  • Average daylight in June: 14h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in June: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).

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Average sunshine days in June
Dewey, OK

Average sunshine days in June - Dewey, OK
  • Average sunshine days in June: 15.4 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (13.3 days).

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Average UV index in June
Dewey, OK

Average UV index in June - Dewey, OK
  • Average UV index in June: 7

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in June
Dewey, OK

Average cloud cover in June - Dewey, OK
  • Average cloud cover in June: 24

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in June
Dewey, OK

Average visibility in June - Dewey, OK
  • 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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Dewey, Oklahoma, USA

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