How many sunny days does Port-au-Prince have per year?

Port-au-Prince averages approximately 333 sunny days per year, based on historical climate data.

What is the air quality in Port-au-Prince?

Port-au-Prince has an annual PM2.5 concentration of 12.9 µg/m³, classified as "Fair" by WHO standards. Slightly above WHO targets. Sensitive individuals may notice effects.

Ouest

Port-au-Prince · Haiti

The capital and largest city of Haiti.

Photo by Heather Suggitt on Unsplash

Large city

1.7M

275 km²

27m

00:14 UTC-4

HTG

Explore on map →Climate twin →

Port-au-Prince, Haiti is a 1.7M-resident city with 333 sunny days and 0 frost days annually and an annual PM2.5 of 12.9 µg/m³. The capital and largest city of Haiti.

Find your city match in 5 minutes

Take the quiz

Climate

Feels-like °C

Dinner outside

Climate Lab·Port-au-Prince

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

Full page →

Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	27	27	27	27	28	29	29	30	28	28	27	27	28
Daily mean°C	24	24	24	24	25	26	27	27	26	25	24	24	25
Daily low°C	18	19	19	21	22	23	23	23	22	22	21	19	21
Thermal comfort
High feelsDaily high feels-like°C	33	32	32	33	34	34	35	35	35	34	33	33	34
Mean feelsDaily mean feels-like°C	28	29	29	30	31	31	32	33	32	30	30	28	30
Low feelsDaily low feels-like°C	19	20	20	21	24	25	25	24	24	23	22	20	22
Humidity
HumidityRelative humidity%	73	70	71	77	77	77	74	76	80	82	81	77	76
Dewpoint°C	18.2	18.1	18.5	19.7	20.9	21.2	21.3	21.4	21.7	21.3	20.4	19.0	20.1
Precipitation
Rainfallmm	16	32	67	143	185	140	130	162	170	138	116	35	1333
Rain days≥1mm	6	8	14	22	26	22	20	22	25	24	21	4	214
Wind
Wind avgm/s	1.0	1.2	1.0	0.9	0.9	1.0	1.0	0.9	0.9	1.0	0.9	1.0	1.0
Wind gustsm/s	1.7	2.3	2.0	1.9	1.8	2.0	2.1	1.9	1.6	1.8	2.0	1.8	1.9
Sun & UV
Sunshinehrs/day	8.9	8.9	9.6	10.0	10.3	10.3	10.4	10.3	9.6	9.3	9.2	9.0	9.6
Clear skyindex	65%	73%	60%	45%	45%	41%	48%	44%	50%	43%	44%	59%	51%
UV indexmax avg	6.9	8.7	9.9	10.3	10.1	9.5	9.8	10.4	9.7	8.4	6.7	6.3	8.9

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

Confidence: High

Lifestyle Calendar·Port-au-Prince

Outdoor living in Port-au-Prince is seasonal. Dinner outside is comfortable 12/12 months — impressive, while even walking manages 5/12 months.

Full page →

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

12/12

Dinner Outside

95Jan: 95% viability

95Feb: 95% viability

94Mar: 94% viability

88Apr: 88% viability

84May: 84% viability

80Jun: 80% viability

80Jul: 80% viability

76Aug: 76% viability

77Sep: 77% viability

78Oct: 78% viability

82Nov: 82% viability

92Dec: 92% viability

12/12

Dinner Outside

95Jan: 95% viability

95Feb: 95% viability

94Mar: 94% viability

88Apr: 88% viability

84May: 84% viability

80Jun: 80% viability

80Jul: 80% viability

76Aug: 76% viability

77Sep: 77% viability

78Oct: 78% viability

82Nov: 82% viability

92Dec: 92% viability

85%

3/12

Lunch Outside

78Jan: 78% viability

73Feb: 73% viability

71Mar: 71% viability

57Apr: 57% viability

46May: 46% viability

38Jun: 38% viability

45Jul: 45% viability

37Aug: 37% viability

31Sep: 31% viability

34Oct: 34% viability

43Nov: 43% viability

63Dec: 63% viability

3/12

Lunch Outside

78Jan: 78% viability

73Feb: 73% viability

71Mar: 71% viability

57Apr: 57% viability

46May: 46% viability

38Jun: 38% viability

45Jul: 45% viability

37Aug: 37% viability

31Sep: 31% viability

34Oct: 34% viability

43Nov: 43% viability

63Dec: 63% viability

51%

Humid

5/12

Walking

90Jan: 90% viability

92Feb: 92% viability

85Mar: 85% viability

69Apr: 69% viability

52May: 52% viability

37Jun: 37% viability

25Jul: 25% viability

14Aug: 14% viability

19Sep: 19% viability

39Oct: 39% viability

63Nov: 63% viability

85Dec: 85% viability

5/12

Walking

90Jan: 90% viability

92Feb: 92% viability

85Mar: 85% viability

69Apr: 69% viability

52May: 52% viability

37Jun: 37% viability

25Jul: 25% viability

14Aug: 14% viability

19Sep: 19% viability

39Oct: 39% viability

63Nov: 63% viability

85Dec: 85% viability

56%

Humid

0/12

Running

31Jan: 31% viability

32Feb: 32% viability

20Mar: 20% viability

10Apr: 10% viability

6May: 6% viability

2Jun: 2% viability

3Jul: 3% viability

2Aug: 2% viability

1Sep: 1% viability

6Oct: 6% viability

22Nov: 22% viability

27Dec: 27% viability