Roseau in August

6.6out of 10

Possible, with caveats

Warm and comfortable: highs around 28°C. Very wet: about 18 rainy days.

28°CAvg high
26°CAvg low
18Rainy days (99 mm)
12:31 hDaylight
05:54Sunrise · 18:25 Sunset

Why this score

  • Warm and comfortable: highs around 28°C
  • Very wet: about 18 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?

Rain in August varies a lot between years (±3.7 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

26° 24° J 25° 24° F 25° 24° M 26° 25° A 27° 25° M 27° 26° J 27° 26° J 28° 26° A 28° 26° S 28° 26° O 27° 26° N 26° 25° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 26°C24°C32 mm 12– – 7.5
February 25°C24°C19 mm 7– – 8.2
March 25°C24°C19 mm 7– – 8.2
April 26°C25°C29 mm 8– – 8.0
May 27°C25°C44 mm 10– – 7.8
June 27°C26°C47 mm 11– – 7.7
July 27°C26°C76 mm 16– – 6.9
August 28°C26°C99 mm 18– – 6.6
September 28°C26°C112 mm 17– – 6.7
October 28°C26°C118 mm 19– – 6.4
November 27°C26°C101 mm 18– – 6.6
December 26°C25°C48 mm 14– – 7.2

Frequently asked questions

How hot is Roseau in August?

Daytime highs average 28°C and nights about 26°C.

When is the best time to visit Roseau?

The best months are February, March, April, May.