June weather forecast
McKinney, TX

June embraces the summer heat with high temperatures escalating to a sweltering 89.6°F (32°C). During this time of year, McKinney gets fullest of the sunshine hours, making outdoor activities all the more appealing. Alongside, residents also observe noticeably dropped wind speeds setting a languid summer ambiance. Almost keeping with the previous month's pattern, the percentage of cloud cover drops slightly hinting at clear sky days. Despite fewer days of rainfall, the rainfall quantity stays moderate, balancing the rising temperatures.

Temperature

McKinney sees an increase in average high-temperatures during June, moving from a moderately hot 80.4°F (26.9°C) in May to a hot 89.6°F (32°C). The average nighttime temperature in McKinney, Texas, lowers to an agreeable 72.9°F (22.7°C) throughout June.

Heat index

The heat index in June is appraised at a blisteringly hot 104°F (40°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The average relative humidity in June is 70%.

Rainfall

In June, in McKinney, Texas, the rain falls for 12.9 days. Throughout June, 2.87" (73mm) of precipitation is accumulated. Throughout the year, there are 144.7 rainfall days, and 33.54" (852mm) of precipitation is accumulated.

Snowfall

In McKinney, snow does not fall in March through October.

Daylight

With an average of 14h and 18min of daylight, June has the longest days of the year in McKinney.
On the first day of the month, sunrise is at 6:18 am and sunset at 8:31 pm. On the last day of June, sunrise is at 6:21 am and sunset at 8:39 pm CDT.

Sunshine

The average sunshine in June in McKinney is 10.2h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 7 in June interprets into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.