August weather forecastDewey Beach, DE
August
Weather in August
August in Dewey Beach, Delaware, entails the continuation of summer's warmth but with a hint of an approaching fall. Frequent visits to the beach or swimming pool become a daily routine for many. The high temperature records a slight dip to 79.2°F (26.2°C) while the low remains more or less unchanged at 73°F (22.8°C). Despite August being one of the rainiest months, the weather remains suitable for various outdoor events. The entrance of September brings a notable decrease in temperature, ushering in the much cooler autumn months.Temperature
The advent of August observes an average high-temperature of a still warm 79.2°F (26.2°C), nearly identical to July's 80.2°F (26.8°C). August nights cool to an average low-temperature of 73°F (22.8°C), a marginal decrease from its daytime equivalent.Humidity
In August, the average relative humidity in Dewey Beach is 78%.Rainfall
In August, the rain falls for 9.1 days. Throughout August, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 89.4 rainfall days, and 6.18" (157mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in August is 13h and 38min.On the first day of August, sunrise is at 6:02 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:31 pm EDT.
Sunshine
In August, the average sunshine is 10.7h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 6 in August interprets into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dewey Beach, DE
- Average high temperature in August: 79.2°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 August: 73°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 August
Dewey Beach, DE
- Average pressure in August: 29.98"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 August
Dewey Beach, DE
- Average wind speed in August: 8.8mph
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 August
Dewey Beach, DE
- Average humidity in August: 78%
The month with the highest relative humidity is May (82%).
The month with the lowest relative humidity is November (73%).
Average rainfall in August
Dewey Beach, DE
- Average rainfall in August: 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 August
Dewey Beach, DE
- Average rainfall days in August: 9.1 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 August
Dewey Beach, DE
- Average snowfall in August: 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 August
Dewey Beach, DE
- Average snowfall days in August: 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 August /
Average sunshine in August
Dewey Beach, DE
- Average daylight in August: 13h and 36min
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 August: 10h and 42min
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 August
Dewey Beach, DE
- Average sunshine days in August: 18.3 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 August
Dewey Beach, DE
- Average UV index in August: 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 August
Dewey Beach, DE
- Average cloud cover in August: 26
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 August
Dewey Beach, DE
- Average visibility in August: 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).
