June weather forecast
Calvin, OK

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Weather in June

June, the first month of the summer in Calvin, is a tropical month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 69.4°F (20.8°C).

Temperature

A rise in the average high-temperature is observed during June, moving from a warm 76.5°F (24.7°C) in May to a tropical 86.5°F (30.3°C). In Calvin, an average low-temperature of 69.4°F (20.8°C) is recorded during June nights.

Heat index

The heat index value during June is computed to be a fiery hot 98.6°F (37°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In Calvin, the average relative humidity in June is 75%.

Rainfall

In June, the rain falls for 10.8 days. Throughout June, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Calvin, there are 131 rainfall days, and 28.39" (721mm) of precipitation is accumulated.

Snowfall

In Calvin, Oklahoma, snow does not fall in May through October.

Daylight

June has the longest days of the year, with an average of 14h and 30min of daylight.
On the first day of June in Calvin, sunrise is at 6:12 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:42 pm CDT.

Sunshine

In June, the average sunshine is 10.5h.

UV index

The months with the highest UV index in Calvin are June through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In June, the maximum UV index of 7 suggests this advice:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. 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. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

Is it hot in Calvin during June?

Calvin in June has an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 69.4°F (20.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in June is computed to be 98.6°F (37°C).

What is the average humidity in June in Calvin?

In June, the average relative humidity in Calvin, Oklahoma, is 75%.

How many days does it rain in June in Calvin?

In June, in Calvin, Oklahoma, the rain falls for 10.8 days. Throughout June, 2.01" (51mm) of precipitation is accumulated.

When it does not snow in Calvin?

May through October are months without snowfall in Calvin, Oklahoma.

When are the longest days in Calvin?

The month with the longest days is June, with an average of 14h and 30min of daylight.

How many hours of daylight does Calvin have in June?

The average day length in June is 14h and 28min.

What time are sunrise and sunset in June in Calvin?

On the first day of June, sunrise is at 6:12 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:42 pm CDT.

How long on average sun shines in June in Calvin?

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

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

June through August, with an average maximum UV index of 7, are months with the highest UV index in Calvin.

What is the UV index reading in June in Calvin?

In June, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
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
Calvin, OK

Average temperature in June - Calvin, OK
  • Average high temperature in June: 86.5°F

The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in June: 69.4°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).

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Average pressure in June
Calvin, OK

Average pressure in June - Calvin, 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
Calvin, OK

Average wind speed in June - Calvin, OK
  • Average wind speed in June: 8.3mph

The windiest month (with the highest average wind speed) is March (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in June
Calvin, OK

Average humidity in June - Calvin, OK
  • Average humidity in June: 75%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in June
Calvin, OK

Average rainfall in June - Calvin, OK
  • Average rainfall in June: 2.01"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is February (1.42").

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Average rainfall days in June
Calvin, OK

Average rainfall days in June - Calvin, OK
  • Average rainfall days in June: 10.8 days

The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (6.7 days).

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Average snowfall in June
Calvin, OK

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

The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Calvin, OK

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in June / Average sunshine in June - Calvin, OK
  • Average daylight in June: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in June: 10h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in June
Calvin, OK

Average sunshine days in June - Calvin, OK
  • Average sunshine days in June: 16.2 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (14.5 days).

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Average UV index in June
Calvin, OK

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

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in June
Calvin, OK

Average cloud cover in June - Calvin, OK
  • Average cloud cover in June: 23

The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in June
Calvin, OK

Average visibility in June - Calvin, 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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Calvin, Oklahoma, USA

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