Roseau weather in August 2019

  • 31°C maximum daytime temperature in August in Roseau31
    31°C max day temperature
  • 8 hours of sunshine per day (63% of daylight hours) in August in Roseau8
    8 hours of sunshine per day
  • 20 days with some rainfall in August in Roseau20
    20 days with some rainfall
  • 24°C minimum night-time temperature in August in Roseau24
    24°C min night temperature
  • 13 hours of daylight per day in August in Roseau13
    13 hours of daylight per day
  • Very high heat & humidity in August in RoseauVH
    Very High heat & humidity
  • 246 mm monthly rainfall in August in Roseau246
    246 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Roseau11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Roseau29
    29°C sea temperature

Going to Roseau? Find the best month to visit Roseau based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Roseau in August. Check more long-term weather averages for Roseau in August before you book your next holiday to Dominica in 2019/2020.

  • Save EXTRA £150 on Marella Cruises with TUI in 2019/2020
  • Book cruises to Dominica. No minimum spend
  • Travel between 1st May 2019 & 30th Apr 2020 (inclusive)
Show discount codeShow discount code ******150

Expires at 23:59 on Thursday 31st Jan 2019 · View all Marella Cruises offers

More about Roseau

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The August weather guide for Roseau, Dominica shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Roseau weather in August

The average maximum daytime temperature in Roseau in August is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 8 hours of bright sunshine each day, which represents 63% of the 13 hours of daylight.

Expect 246mm (9.7 inches) of rainfall across the whole of August with 20 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Roseau in August is 29°C (84°F).

Roseau sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Roseau in August 2019. Select a month to view Roseau sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 05:48 18:36
Friday, 2nd August 2019 05:48 18:35
Saturday, 3rd August 2019 05:48 18:35
Sunday, 4th August 2019 05:49 18:35
Monday, 5th August 2019 05:49 18:34
Tuesday, 6th August 2019 05:49 18:34
Wednesday, 7th August 2019 05:49 18:33
Thursday, 8th August 2019 05:49 18:33
Friday, 9th August 2019 05:50 18:32
Saturday, 10th August 2019 05:50 18:32
Sunday, 11th August 2019 05:50 18:31
Monday, 12th August 2019 05:50 18:31
Tuesday, 13th August 2019 05:50 18:30
Wednesday, 14th August 2019 05:51 18:30
Thursday, 15th August 2019 05:51 18:29
Friday, 16th August 2019 05:51 18:29
Saturday, 17th August 2019 05:51 18:28
Sunday, 18th August 2019 05:51 18:27
Monday, 19th August 2019 05:51 18:27
Tuesday, 20th August 2019 05:52 18:26
Wednesday, 21st August 2019 05:52 18:25
Thursday, 22nd August 2019 05:52 18:25
Friday, 23rd August 2019 05:52 18:24
Saturday, 24th August 2019 05:52 18:24
Sunday, 25th August 2019 05:52 18:23
Monday, 26th August 2019 05:52 18:22
Tuesday, 27th August 2019 05:53 18:21
Wednesday, 28th August 2019 05:53 18:21
Thursday, 29th August 2019 05:53 18:20
Friday, 30th August 2019 05:53 18:19
Saturday, 31st August 2019 05:53 18:19
  • Save EXTRA £150 on Marella Cruises with TUI in 2019/2020
  • Book cruises to Dominica. No minimum spend
  • Travel between 1st May 2019 & 30th Apr 2020 (inclusive)
Show discount codeShow discount code ******150

Expires at 23:59 on Thursday 31st Jan 2019 · View all Marella Cruises offers

Back to top

More Dominica destinations

All Dominica destinations >>

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

Top ^