June weather forecastDewey Beach, DE
June
Weather in June
The month of June in Dewey Beach, Delaware, is indicative of the full swing of summer. The city is filled with cheerful outdoor events and beach activities. The average high temperature increases to a warm and pleasant 74.5°F (23.6°C) and the low hovers around 67.6°F (19.8°C). Sunny days replace the April showers, creating ideal conditions for water sports and picnicking. July follows with slightly hotter weather, but June remains a preferred month for vacationing due to its less intense heat.Temperature
June comes with an increase, with the average high-temperature moving from an enjoyable 65.5°F (18.6°C) in May to a warm 74.5°F (23.6°C). Dewey Beach maintains a consistent average nighttime low-temperature of 67.6°F (19.8°C) throughout June.Humidity
In Dewey Beach, the average relative humidity in June is 80%.Rainfall
In Dewey Beach, in June, during 8.8 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, there are 89.4 rainfall days, and 6.18" (157mm) of precipitation is accumulated.Snowfall
In Dewey Beach, snow does not fall in April through October.Daylight
June has the longest days of the year, with an average of 14h and 48min of daylight.On the first day of the month, sunrise is at 5:37 am and sunset at 8:19 pm. On the last day of June, sunrise is at 5:39 am and sunset at 8:29 pm EDT.
Sunshine
The average sunshine in June in Dewey Beach is 10.6h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 6 in June suggests the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Dewey Beach, DE
- Average high temperature in June: 74.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (41.4°F).
- Average low temperature in June: 67.6°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in June
Dewey Beach, 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
Dewey Beach, DE
- Average wind speed in June: 9.8mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in June
Dewey Beach, DE
- Average humidity in June: 80%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).
Average rainfall in June
Dewey Beach, DE
- Average rainfall in June: 0.63"
The wettest month (with the highest rainfall) is October (0.71").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in June
Dewey Beach, DE
- Average rainfall days in June: 8.8 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is November (4.9 days).
Average snowfall in June
Dewey Beach, DE
- Average snowfall in June: 0"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in June
Dewey Beach, DE
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (2.4 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
Dewey Beach, DE
- Average daylight in June: 14h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in June
Dewey Beach, DE
- Average sunshine days in June: 18.2 days
The month with the most sunshine days is January (23.5 days).
The months with the least sunshine days are June and July (18.2 days).
Average UV index in June
Dewey Beach, 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, February and December (UV index 2).
Average cloud cover in June
Dewey Beach, DE
- Average cloud cover in June: 28
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in June
Dewey Beach, 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).





