June weather forecast
Norman, OK

Summer officially sets in Norman during June, reflecting the classic characteristics of the season. June’s weather sees a significant increase in temperatures, with maxima soaring to an average of 88.3°F (31.3°C). The rainfall drops to 2.17" (55mm), reflecting a decrease from May's high rainfall figures. As compared to May, June is decidedly hotter and drier. With longer daylight hours of up to 14.5 hours, outdoor activities become more popular.

Temperature

Entering June, Norman sees a temperature rise, with the average high-temperature advancing from May's warm 77.7°F (25.4°C) to a hot 88.3°F (31.3°C). In Norman, an average temperature of 69.8°F (21°C) is noted during June nights.

Heat index

June's mean heat index is computed to be a very hot 100.4°F (38°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

In June, the average relative humidity in Norman, Oklahoma, is 70%.

Rainfall

In Norman, in June, it is raining for 10.8 days, with typically 2.17" (55mm) of accumulated precipitation. In Norman, during the entire year, the rain falls for 121.1 days and collects up to 24.8" (630mm) of precipitation.

Snowfall

In Norman, snow does not fall in April through October.

Daylight

With an average of 14h and 30min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 6:16 am and sunset at 8:39 pm. On the last day of June, sunrise is at 6:18 am and sunset at 8:48 pm CDT.

Sunshine

The average sunshine in June in Norman is 10.9h.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Norman, Oklahoma. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 7 in June translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.