June weather forecastHennessey, OK
June
Weather in June
The first month of the summer, June, is a hot month in Hennessey, Oklahoma, with an average temperature fluctuating between 71.2°F (21.8°C) and 91°F (32.8°C).Temperature
The shift into June is marked by a rise in the average high-temperature, moving from May's moderately hot 79°F (26.1°C) to a hot 91°F (32.8°C). June witnesses an average nighttime temperature of 71.2°F (21.8°C).Heat index
June's average heat index is appraised at a very hot 102.2°F (39°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.For clarity, heat index numbers account for light winds and areas under shade. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
In June, the average relative humidity is 61%.Rainfall
In June, the rain falls for 9 days. Throughout June, 1.61" (41mm) of precipitation is accumulated. In Hennessey, during the entire year, the rain falls for 107 days and collects up to 20.75" (527mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
With an average of 14h and 36min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 6:15 am and sunset at 8:43 pm. On the last day of June, sunrise is at 6:18 am and sunset at 8:52 pm CDT.
Sunshine
The months with the most sunshine are June and July, with an average of 11.2h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In June, the maximum UV index of 7 translates into these guidelines:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Hennessey, OK
- Average high temperature in June: 91°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in June: 71.2°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in June
Hennessey, OK
- Average pressure in June: 29.87"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in June
Hennessey, OK
- Average wind speed in June: 10.6mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in June
Hennessey, OK
- Average humidity in June: 61%
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (56%).
Average rainfall in June
Hennessey, OK
- Average rainfall in June: 1.61"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in June
Hennessey, OK
- Average rainfall days in June: 9 days
The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in June
Hennessey, OK
- Average snowfall in June: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in June
Hennessey, 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 May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Hennessey, OK
- Average daylight in June: 14h and 36min
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 48min).
- Average sunshine in June: 11h and 12min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in June
Hennessey, OK
- Average sunshine days in June: 18.8 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is April (15.8 days).
Average UV index in June
Hennessey, 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
Hennessey, OK
- Average cloud cover in June: 18
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 18).
Average visibility in June
Hennessey, 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).
