June weather forecastMcAlester, OK
June
Weather in June
June marks a significant change towards summer, with a notable rise in day temperatures. The city of McAlester begins to bask in the summer sun in June, with dry spells becoming more frequent. Interestingly, the rise in warmth and daylight hours coincides with a dip in rainfall, making the city less wet than in May. This sets the tone for the typical summer weather that is to follow. It makes it a prelude to the heart of the summer that lies ahead.Temperature
June sees a temperature increase, moving from a moderately hot 77.7°F (25.4°C) in May to a tropical 88.3°F (31.3°C). McAlester, in June, witnesses an average low-temperature of 69.4°F (20.8°C).Heat index
The heat index value during June is estimated at a scorching 104°F (40°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. 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. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In June, the average relative humidity is 74%.Rainfall
In McAlester, in June, during 10.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In McAlester, during the entire year, the rain falls for 138.1 days and collects up to 30.71" (780mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The month with the longest days in McAlester, Oklahoma, is June, with an average of 14h and 30min of daylight.On the first day of June in McAlester, sunrise is at 6:10 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 8:40 pm CDT.
Sunshine
In McAlester, the average sunshine in June is 10.5h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 7 during June leads to these advisories:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
McAlester, OK
- Average high temperature in June: 88.3°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in June: 69.4°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in June
McAlester, OK
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
McAlester, OK
- Average wind speed in June: 7.2mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in June
McAlester, OK
- Average humidity in June: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (66%).
Average rainfall in June
McAlester, OK
- Average rainfall in June: 2.13"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in June
McAlester, OK
- Average rainfall days in June: 10.9 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in June
McAlester, OK
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
McAlester, 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, September and October (0 days).
Average daylight in June /
Average sunshine in June
McAlester, 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 54min).
- Average sunshine in June: 10h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in June
McAlester, OK
- Average sunshine days in June: 16.3 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in June
McAlester, 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
McAlester, OK
- Average cloud cover in June: 24
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in June
McAlester, 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).





