- Port-Au-Prince, Haiti is at 18°22’N, 72°19’W, 41 m (135 ft). See map.
- Port-Au-Prince has a tropical wet and dry/ savanna climate (Köppen-Geiger classification: Aw) with a pronounced dry season in the low-sun months , no cold season, wet season is in the high-sun months.
- According to the Holdridge life zones system of bioclimatic classification Port-Au-Prince is situated in or near the subtropical dry forest biome.
- The average annual temperature is 28.1 degrees Celsius (82.6 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
- Average monthly temperatures vary by 3.5 °C (6.3°F). This indicates that the continentality type is hyperoceanic, subtype truly hyperoceanic.
- Total annual Precipitation averages 1353 mm (53.3 inches) which is equivalent to 1353 Litres/m² (33.19 Gallons/ft²).
- On average there are 3115 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
- Were you to burrow down through the centre of the Earth from Port-Au-Prince you would pop up nearest to the climate station at Learmonth, Australia where you would find a Subtropical desert climate.
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Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Average Max Temperature °C ( °F) 31 (88) 31 (88) 32 (90) 33 (91) 33 (91) 35 (95) 35 (95) 35 (95) 34 (93) 33 (91) 32 (90) 31 (88) 33 (91) Average Temperature °C ( °F) 27 (81) 27 (80) 27 (81) 28 (82) 28 (82) 30 (85) 30 (86) 30 (85) 29 (84) 29 (83) 28 (82) 27 (80) 28 (83) Average Min Temperature °C ( °F) 23 (73) 22 (72) 22 (72) 23 (73) 23 (73) 24 (75) 25 (77) 24 (75) 24 (75) 24 (75) 23 (73) 22 (72) 23 (74) Average Precipitation mm (in) 33 (1) 58 (2) 86 (3) 160 (6) 231 (9) 102 (4) 74 (3) 145 (6) 175 (7) 170 (7) 86 (3) 33 (1) 1353 (53) Number of Wet Days (probability of rain on a day %) 3 (10) 5 (18) 7 (23) 11 (37) 13 (42) 8 (27) 7 (23) 11 (35) 12 (40) 12 (39) 7 (23) 3 (10) 99 (27) Average Sunlight Hours/ Day 8h 58′ 8h 59′ 9h 00′ 9h 04′ 8h 05′ 7h 56′ 9h 01′ 9h 05′ 8h 12′ 8h 05′ 7h 58′ 7h 54′ 8h 31′ Average Daylight Hours/ Day 11h 08′ 11h 30′ 12h 00′ 12h 32′ 12h 58′ 13h 12′ 13h 06′ 12h 43′ 12h 12′ 11h 40′ 11h 14′ 11h 01′ 12h 00′ Percentage of Sunny (Cloudy) Daylight Hours 81 (19) 79 (21) 76 (24) 73 (27) 63 (37) 61 (39) 70 (30) 72 (28) 68 (32) 70 (30) 72 (28) 72 (28) 71 (29) Sun altitude at solar noon on the 21st day (°). 51.7 61 71.9 83.6 88 84.9 87.5 83.5 72.1 60.5 51.5 48.2 70.4