How many sunny days does Roseau have per year?

Roseau averages approximately 335 sunny days per year, based on historical climate data.

What is the air quality in Roseau?

Roseau has an annual PM2.5 concentration of 7.6 µg/m³, classified as "Good" by WHO standards. Within WHO interim target 4. Low health risk for most people.

Saint George Parish

Roseau · Dominica

The capital and largest city of Dominica.

Small city

17K

11m

00:07 UTC-4

XCD

Explore on map →Climate twin →

Roseau, Dominica is a 17K-resident city with 335 sunny days and 0 frost days annually and an annual PM2.5 of 7.6 µg/m³. The capital and largest city of Dominica.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Roseau

Monthly climate metrics across temperature, precipitation, wind, and UV.

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Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	26	26	26	26	27	28	28	28	28	28	27	27	27
Daily mean°C	26	25	25	26	27	27	27	28	28	28	27	26	26
Daily low°C	25	24	24	25	26	26	26	27	27	26	26	25	26
Thermal comfort
High feelsDaily high feels-like°C	27	27	27	28	29	30	30	31	33	32	30	29	29
Mean feelsDaily mean feels-like°C	25	25	25	26	27	28	28	29	30	29	28	26	27
Low feelsDaily low feels-like°C	20	19	19	20	22	24	24	25	25	24	23	21	22
Humidity
HumidityRelative humidity%	77	77	76	77	79	80	81	81	81	80	80	78	79
Dewpoint°C	21.0	20.5	20.8	21.3	22.5	23.3	23.6	24.0	23.8	23.5	22.9	22.0	22.4
Precipitation
Rainfallmm	37	37	41	27	26	65	113	117	101	123	140	42	869
Rain days≥1mm	14	16	17	12	12	15	22	20	22	18	23	15	206
Wind
Wind avgm/s	7.8	8.6	7.3	6.9	7.7	8.0	8.0	6.9	5.1	6.7	7.2	7.5	7.3
Wind gustsm/s	10.4	10.7	9.7	9.0	9.3	10.2	10.4	9.9	8.4	9.7	9.7	10.0	9.8
Sun & UV
Sunshinehrs/day	9.4	10.4	10.4	10.9	11.0	11.0	10.8	10.8	10.3	10.0	9.4	9.3	10.3
Clear skyindex	76%	80%	69%	61%	55%	55%	61%	57%	50%	59%	62%	71%	63%
UV indexmax avg	7.9	9.2	10.9	11.8	11.2	10.3	10.0	10.6	10.3	9.1	7.5	7.2	9.7

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar·Roseau

Outdoor activities in Roseau are challenging most of the year. 8 months of the year are the toughest stretch. Lunch outside is tough year-round, while even walking manages 4/12 months.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

0/12

Dinner Outside

33Jan: 33% viability

24Feb: 24% viability

32Mar: 32% viability

41Apr: 41% viability

33May: 33% viability

19Jun: 19% viability

15Jul: 15% viability

33Aug: 33% viability

62Sep: 62% viability

43Oct: 43% viability

31Nov: 31% viability

36Dec: 36% viability

0/12

Dinner Outside

33Jan: 33% viability

24Feb: 24% viability

32Mar: 32% viability

41Apr: 41% viability

33May: 33% viability

19Jun: 19% viability

15Jul: 15% viability

33Aug: 33% viability

62Sep: 62% viability

43Oct: 43% viability

31Nov: 31% viability

36Dec: 36% viability

34%

Wind

0/12

Lunch Outside

33Jan: 33% viability

30Feb: 30% viability

35Mar: 35% viability

48Apr: 48% viability

43May: 43% viability

26Jun: 26% viability

21Jul: 21% viability

44Aug: 44% viability

61Sep: 61% viability

49Oct: 49% viability

40Nov: 40% viability

41Dec: 41% viability

0/12

Lunch Outside

33Jan: 33% viability

30Feb: 30% viability

35Mar: 35% viability

48Apr: 48% viability

43May: 43% viability

26Jun: 26% viability

21Jul: 21% viability

44Aug: 44% viability

61Sep: 61% viability

49Oct: 49% viability

40Nov: 40% viability

41Dec: 41% viability

39%

Wind

4/12

Walking

58Jan: 58% viability

44Feb: 44% viability

61Mar: 61% viability

78Apr: 78% viability

72May: 72% viability

56Jun: 56% viability

50Jul: 50% viability

64Aug: 64% viability

67Sep: 67% viability

63Oct: 63% viability

69Nov: 69% viability

56Dec: 56% viability

4/12

Walking

58Jan: 58% viability

44Feb: 44% viability

61Mar: 61% viability

78Apr: 78% viability

72May: 72% viability

56Jun: 56% viability

50Jul: 50% viability

64Aug: 64% viability

67Sep: 67% viability

63Oct: 63% viability

69Nov: 69% viability

56Dec: 56% viability

62%

Humid

3/12

Running

57Jan: 57% viability

43Feb: 43% viability

60Mar: 60% viability

76Apr: 76% viability

69May: 69% viability

55Jun: 55% viability

49Jul: 49% viability

56Aug: 56% viability

50Sep: 50% viability

49Oct: 49% viability

65Nov: 65% viability

52Dec: 52% viability

3/12

Running

57Jan: 57% viability

43Feb: 43% viability

60Mar: 60% viability

76Apr: 76% viability

69May: 69% viability

55Jun: 55% viability

49Jul: 49% viability

56Aug: 56% viability

50Sep: 50% viability

49Oct: 49% viability

65Nov: 65% viability

52Dec: 52% viability

57%

Humid

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Roseau · Dominica

Climate

Climate Lab·Roseau

Lifestyle Calendar·Roseau

Air Quality Profile

Air Quality Profile

Who thrives in Roseau

Frequently asked about Roseau