Delaware in August

7.8out of 10

Yes, a good time to go

Warm and comfortable: highs around 28°C. Frequent rain: about 10 rainy days.

28°CAvg high
18°CAvg low
10Rainy days (74 mm)
13:36 hDaylight
06:48Sunrise · 20:24 Sunset

Why this score

  • Warm and comfortable: highs around 28°C
  • Frequent rain: about 10 rainy days

What to wear and pack

  • T-shirts and light layers
  • Shorts or a light skirt
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in August is fairly consistent from year to year (2.7 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

2° -6° J 4° -4° F 10° 0° M 17° 6° A 22° 12° M 27° 17° J 28° 19° J 28° 18° A 24° 14° S 18° 8° O 11° 2° N 5° -3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 2°C-6°C83 mm 11– – 3.9
February 4°C-4°C69 mm 10– – 4.6
March 10°C0°C95 mm 12– – 5.4
April 17°C6°C116 mm 13– – 6.5
May 22°C12°C111 mm 14– – 7.1
June 27°C17°C105 mm 12– – 7.4
July 28°C19°C91 mm 12– – 7.5
August 28°C18°C74 mm 10– – 7.8
September 24°C14°C73 mm 9– – 8.0
October 18°C8°C74 mm 9– – 7.2
November 11°C2°C80 mm 10– – 5.9
December 5°C-3°C86 mm 10– – 4.6

Frequently asked questions

How hot is Delaware in August?

Daytime highs average 28°C and nights about 18°C.

When is the best time to visit Delaware?

The best months are September, August, July, June.