June weather forecastSmyrna, DE
June
Weather in June
June marks the official onset of summer in Smyrna with even longer daylight hours and more sunshine. Prolonged sunshine extends up to 14.9 hours per day, marking it as the month with the longest daylight period in the year. Average high temperature rises further up to 79.3°F (26.3°C). There are barely noticeable changes in rainfall and relative humidity from May, making it consistent summer weather. Smyrna's scenic landscapes and blue skies of June offer a relaxing and ideal time for outdoor explorations and adventures.Temperature
June's arrival signals a modest temperature shift, moving from a pleasant 71.2°F (21.8°C) in May to a warm 79.3°F (26.3°C). Smyrna in June anticipates an average nighttime temperature of 64°F (17.8°C).Humidity
The average relative humidity in June in Smyrna is 78%.Rainfall
In Smyrna, in June, during 17.4 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, in Smyrna, there are 169.2 rainfall days, and 34.96" (888mm) of precipitation is accumulated.Snowfall
In Smyrna, snow does not fall in May through October.Daylight
The month with the longest days is June, with an average of 14h and 54min of daylight.On the first day of the month, sunrise is at 5:37 am and sunset at 8:23 pm. On the last day of June, sunrise is at 5:39 am and sunset at 8:33 pm EDT.
Sunshine
In Smyrna, the average sunshine in June is 10.3h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 in June converts into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Smyrna, DE
- Average high temperature in June: 79.3°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in June: 64°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in June
Smyrna, DE
- Average pressure in June: 29.94"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in June
Smyrna, DE
- Average wind speed in June: 7.1mph
The windiest months (with the highest average wind speed) are February and March (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in June
Smyrna, DE
- Average humidity in June: 78%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in June
Smyrna, DE
- Average rainfall in June: 3.19"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in June
Smyrna, DE
- Average rainfall days in June: 17.4 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in June
Smyrna, DE
- Average snowfall in June: 0"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Smyrna, DE
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (4.5 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
Smyrna, DE
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in June
Smyrna, DE
- Average sunshine days in June: 10.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in June
Smyrna, DE
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in June
Smyrna, DE
- Average cloud cover in June: 32
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in June
Smyrna, DE
- 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).
