Port of Spain, Trinidad and Tobago Climate & Monthly Averages
The climate of Port of Spain
Port of Spain has one of the steadier climates in our dataset. Average highs move only 2°C across the whole year - from 85°F (30°C) in January to 89°F (32°C) in May - so the practical difference between seasons here is rainfall and daylight, not warmth.
Climate quick facts
- Hottest month: May - highs near 89°F (32°C)
- Coldest month: January - highs near 85°F (30°C)
- Decade extremes (2015-2024): 96°F (36°C) high · 68°F (20°C) low
- Wettest month: August (27 rainy days) · Sunniest: March (11.3 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 2°C between the average warmest and coolest month · day to night: 6°C
- Months averaging 30°C or hotter: 9
- Average humidity: 77%
Temperatures through the year
January is the coolest month, with highs of 85°F (30°C) and lows near 73°F (23°C). Warmth peaks in May: highs of 89°F (32°C), lows of 76°F (25°C). Sunshine averages 10.9 hours a day over the year - sunnier than 93% of the 3496 cities in our dataset, peaking in March at 11.3 hours.
Rain, sun and snow
Average highs hold at or above 30°C for 9 months of the year, February through October being the unbroken run. Precipitation concentrates in August - 5.4 inches (137 mm) on 27 days - and thins out by February. Between the average May and the average January lie 2°C, a narrower spread than all but 4% of the 3496 cities in our dataset. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 96°F (36°C) and the lowest daily minimum 68°F (20°C).
How Port of Spain compares
- Port of Spain averages 80°F (27°C) across the year - warmer than 92% of the 3496 cities we track.
- Rain or snow reaches the ground on 211 days a year - more wet days than 92% of the 3496 cities we track.
- Afternoons run 6°C above the following night - a flatter daily curve than all but 11% of the 3496 cities we track.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 85° | 73° | 12 | 1.2 in | 10.9 h/day | 75% |
| February | 86° | 74° | 9 | 1.0 in | 10.9 h/day | 72% |
| March | 87° | 74° | 10 | 1.3 in | 11.3 h/day | 71% |
| April | 89° | 75° | 10 | 1.5 in | 11.3 h/day | 71% |
| May | 89° | 76° | 13 | 1.9 in | 11.1 h/day | 73% |
| June | 87° | 76° | 19 | 4.0 in | 10.7 h/day | 78% |
| July | 86° | 76° | 24 | 4.4 in | 11.0 h/day | 81% |
| August | 86° | 76° | 27 | 5.4 in | 11.0 h/day | 81% |
| September | 88° | 77° | 24 | 4.7 in | 11.0 h/day | 80% |
| October | 87° | 76° | 23 | 4.6 in | 10.5 h/day | 81% |
| November | 86° | 76° | 22 | 4.2 in | 10.4 h/day | 82% |
| December | 85° | 74° | 17 | 2.5 in | 10.7 h/day | 79% |
Port of Spain month by month
Port of Spain weather in January
January brings highs around 85°F (30°C), lows near 73°F (23°C), about 12 wet days - typically the coldest month of the year in Port of Spain.
Port of Spain weather in February
February brings highs around 86°F (30°C), lows near 74°F (23°C), about 9 wet days - typically the driest month of the year in Port of Spain.
Port of Spain weather in March
March brings highs around 87°F (30°C), lows near 74°F (23°C), about 10 wet days - typically the sunniest month of the year in Port of Spain.
Port of Spain weather in April
April brings highs around 89°F (32°C), lows near 75°F (24°C), about 10 wet days.
Port of Spain weather in May
May brings highs around 89°F (32°C), lows near 76°F (25°C), about 13 wet days - typically the hottest month of the year in Port of Spain.
Port of Spain weather in June
June brings highs around 87°F (30°C), lows near 76°F (24°C), about 19 wet days.
Port of Spain weather in July
July brings highs around 86°F (30°C), lows near 76°F (24°C), about 24 wet days.
Port of Spain weather in August
August brings highs around 86°F (30°C), lows near 76°F (24°C), about 27 wet days - typically the wettest month of the year in Port of Spain.
Port of Spain weather in September
September brings highs around 88°F (31°C), lows near 77°F (25°C), about 24 wet days.
Port of Spain weather in October
October brings highs around 87°F (30°C), lows near 76°F (25°C), about 23 wet days.
Port of Spain weather in November
November brings highs around 86°F (30°C), lows near 76°F (24°C), about 22 wet days.
Port of Spain weather in December
December brings highs around 85°F (29°C), lows near 74°F (24°C), about 17 wet days.
Seasons in Port of Spain
March through May
March through May in Port of Spain runs hot, with daytime highs averaging 88°F (31°C) and nights around 75°F (24°C); rain falls on around 33 of the 90 days. Daylight is generous - around 11.2 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
June through August
Through June through August, Port of Spain is hot: 86°F (30°C) by day, 76°F (24°C) after dark, and rain falls on around 70 of the 90 days. Daylight is generous - around 10.9 hours of sun a day.
September through November
Through September through November, Port of Spain sits firmly in the heat: 87°F (30°C) by day, 76°F (25°C) after dark, and rain falls on around 70 of the 90 days. Daylight is generous - around 10.6 hours of sun a day.
December through February
December through February in Port of Spain is hot, with daytime highs averaging 85°F (30°C) and nights around 74°F (23°C); rain falls on around 38 of the 90 days. Daylight is generous - around 10.8 hours of sun a day.
Climate questions, answered
Are nights cold in Port of Spain?
How much does the weather change through the year in Port of Spain?
How humid does Port of Spain get?
What is the average temperature in Port of Spain?
Best time to visit Port of Spain
January to April is the sweet spot for Port of Spain - humidity and rainfall are at their lowest, which is what actually varies here. Expect 87°F (30°C) in the afternoon and around 10 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in January.
Pack for Port of Spain with light clothing for the warm months, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. May nights average 76°F (25°C), so evenings rarely match the afternoons.
Port of Spain temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.