June weather forecastJohnson, OK
June
Weather in June
June, the first month of the summer in Johnson, is a tropical month, with temperature in the range of an average high of 87.6°F (30.9°C) and an average low of 69.4°F (20.8°C).Temperature
As Johnson transitions into June, the average high-temperature shows a change, moving from a moderately hot 76.6°F (24.8°C) in May to a hot 87.6°F (30.9°C). Throughout the month of June, Johnson observes an average nighttime temperature of 69.4°F (20.8°C).Heat index
June's heat index is estimated at a torrid 100.4°F (38°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In Johnson, the average relative humidity in June is 73%.Rainfall
In Johnson, during June, the rain falls for 10.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Johnson, during the entire year, the rain falls for 123.4 days and collects up to 25.87" (657mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
With an average of 14h and 30min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 6:13 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:46 pm CDT.
Sunshine
In June, the average sunshine is 10.7h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 7 in June translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Johnson, OK
- Average high temperature in June: 87.6°F
The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in June: 69.4°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in June
Johnson, OK
- 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
Johnson, OK
- Average wind speed in June: 9.1mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).
Average humidity in June
Johnson, OK
- Average humidity in June: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (63%).
Average rainfall in June
Johnson, OK
- Average rainfall in June: 1.97"
The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in June
Johnson, OK
- Average rainfall days in June: 10.8 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in June
Johnson, OK
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Johnson, OK
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Johnson, OK
- Average daylight in June: 14h and 30min
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 48min).
- Average sunshine in June: 10h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in June
Johnson, OK
- Average sunshine days in June: 16.8 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in June
Johnson, 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).
Average cloud cover in June
Johnson, OK
- Average cloud cover in June: 22
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in June
Johnson, 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).





