June weather forecastNorman, OK
June
Weather in June
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
June's arrival is marked by an increase in the average high-temperature, moving from a warm 77.7°F (25.4°C) in May to a tropical 88.3°F (31.3°C). An average temperature of 69.8°F (21°C) is recorded in Norman during the nights in June.Heat index
The average heat index in June is estimated at a torrid 100.4°F (38°C). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In Norman, the average relative humidity in June is 70%.Rainfall
In Norman, in June, during 10.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, in Norman, there are 121.1 rainfall days, and 24.8" (630mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The month with the longest days is June, with an average of 14h and 30min of daylight.On the first day of June, sunrise is at 6:16 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:48 pm CDT.
Sunshine
The average sunshine in June is 10.9h.UV index
June through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: In June, a regular UV index of 7 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Norman, OK
- Average high temperature in June: 88.3°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in June: 69.8°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure in June
Norman, 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
Norman, OK
- Average wind speed in June: 9.8mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in June
Norman, OK
- Average humidity in June: 70%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (60%).
Average rainfall in June
Norman, OK
- Average rainfall in June: 2.17"
The wettest month (with the highest rainfall) is May (3.86").
The driest months (with the least rainfall) are February and November (1.06").
Average rainfall days in June
Norman, OK
- Average rainfall days in June: 10.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in June
Norman, OK
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Norman, OK
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (2.2 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
Norman, 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 54min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in June
Norman, OK
- Average sunshine days in June: 17 days
The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in June
Norman, 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
Norman, OK
- Average cloud cover in June: 20
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in June
Norman, 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).
