Roseau weather by month

Check out Roseau weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Roseau (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
84°F maximum daytime temperature in January in Roseau84
84°F maximum daytime temperature in February in Roseau84
86°F maximum daytime temperature in March in Roseau86
86°F maximum daytime temperature in April in Roseau86
88°F maximum daytime temperature in May in Roseau88
88°F maximum daytime temperature in June in Roseau88
88°F maximum daytime temperature in July in Roseau88
88°F maximum daytime temperature in August in Roseau88
88°F maximum daytime temperature in September in Roseau88
88°F maximum daytime temperature in October in Roseau88
86°F maximum daytime temperature in November in Roseau86
84°F maximum daytime temperature in December in Roseau84
Min temperature (night-time)
70°F minimum night-time temperature in January in Roseau70
70°F minimum night-time temperature in February in Roseau70
70°F minimum night-time temperature in March in Roseau70
72°F minimum night-time temperature in April in Roseau72
73°F minimum night-time temperature in May in Roseau73
73°F minimum night-time temperature in June in Roseau73
73°F minimum night-time temperature in July in Roseau73
75°F minimum night-time temperature in August in Roseau75
73°F minimum night-time temperature in September in Roseau73
73°F minimum night-time temperature in October in Roseau73
72°F minimum night-time temperature in November in Roseau72
70°F minimum night-time temperature in December in Roseau70
Heat & Humidity
Moderate heat & humidity in January in RoseauM
Moderate heat & humidity in February in RoseauM
High heat & humidity in March in RoseauH
High heat & humidity in April in RoseauH
High heat & humidity in May in RoseauH
Very high heat & humidity in June in RoseauVH
Very high heat & humidity in July in RoseauVH
Very high heat & humidity in August in RoseauVH
Very high heat & humidity in September in RoseauVH
High heat & humidity in October in RoseauH
High heat & humidity in November in RoseauH
High heat & humidity in December in RoseauH
Sea temperature
81°F sea temperature in January in Roseau81
79°F sea temperature in February in Roseau79
79°F sea temperature in March in Roseau79
81°F sea temperature in April in Roseau81
82°F sea temperature in May in Roseau82
82°F sea temperature in June in Roseau82
82°F sea temperature in July in Roseau82
84°F sea temperature in August in Roseau84
84°F sea temperature in September in Roseau84
84°F sea temperature in October in Roseau84
82°F sea temperature in November in Roseau82
82°F sea temperature in December in Roseau82

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Roseau

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Roseau11
12 hours of daylight per day in February in Roseau12
12 hours of daylight per day in March in Roseau12
12 hours of daylight per day in April in Roseau12
13 hours of daylight per day in May in Roseau13
13 hours of daylight per day in June in Roseau13
13 hours of daylight per day in July in Roseau13
13 hours of daylight per day in August in Roseau13
12 hours of daylight per day in September in Roseau12
12 hours of daylight per day in October in Roseau12
11 hours of daylight per day in November in Roseau11
11 hours of daylight per day in December in Roseau11
UV Index (Maximum)
UV (maximum) index 9 (Very High) in January in Roseau9
UV (maximum) index 11 (Extreme) in February in Roseau11
UV (maximum) index 11+ (Extreme) in March in Roseau11
UV (maximum) index 11+ (Extreme) in April in Roseau11
UV (maximum) index 11+ (Extreme) in May in Roseau11
UV (maximum) index 11+ (Extreme) in June in Roseau11
UV (maximum) index 11+ (Extreme) in July in Roseau11
UV (maximum) index 11+ (Extreme) in August in Roseau11
UV (maximum) index 11+ (Extreme) in September in Roseau11
UV (maximum) index 11 (Extreme) in October in Roseau11
UV (maximum) index 9 (Very High) in November in Roseau9
UV (maximum) index 8 (Very High) in December in Roseau8

Rainfall in Roseau

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
18 days with some rainfall in January in Roseau18
14 days with some rainfall in February in Roseau14
15 days with some rainfall in March in Roseau15
14 days with some rainfall in April in Roseau14
17 days with some rainfall in May in Roseau17
19 days with some rainfall in June in Roseau19
21 days with some rainfall in July in Roseau21
20 days with some rainfall in August in Roseau20
23 days with some rainfall in September in Roseau23
19 days with some rainfall in October in Roseau19
19 days with some rainfall in November in Roseau19
19 days with some rainfall in December in Roseau19
Average monthly rainfall (inches)
5.4 inches monthly rainfall in January in Roseau5.4
3.4 inches monthly rainfall in February in Roseau3.4
3.7 inches monthly rainfall in March in Roseau3.7
3.4 inches monthly rainfall in April in Roseau3.4
5.4 inches monthly rainfall in May in Roseau5.4
7.3 inches monthly rainfall in June in Roseau7.3
4.3 inches monthly rainfall in July in Roseau4.3
9.7 inches monthly rainfall in August in Roseau9.7
9.8 inches monthly rainfall in September in Roseau9.8
9.4 inches monthly rainfall in October in Roseau9.4
9.9 inches monthly rainfall in November in Roseau9.9
6.9 inches monthly rainfall in December in Roseau6.9

More about Roseau

Roseau by month

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

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The climate guide for Dominica (Roseau) shows long term monthly 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.

What's the climate like in Roseau?

Roseau has a hot tropical climate with no dry season.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Roseau, Dominica hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
<1%
2.8%
4%
1.6%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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Compare Roseau with the USA

Below the Roseau chart shows average maximum daytime temperature for Roseau, Dominica and the USA (Washington).

Maximum daytime temperature (°F)

Roseau, Dominica
USA (Washington)
84
41
84
45
86
55
86
66
88
75
88
84
88
88
88
86
88
79
88
68
86
57
84
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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