Port of Spain weather in August

August in Port of Spain: sweltering, rainy, with clean air — a gamble, with 24 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Port of Spain🇹🇹 Trinidad and Tobago · Southern Caribbean · City64
  1. 75Jan
  2. 77Feb
  3. 77Mar
  4. 74Apr
  5. 71May
  6. 65Jun
  7. 63Jul
  8. 64Aug
  9. 66Sep
  10. 63Oct
  11. 65Nov
  12. 70Dec

#10 of 12 months in Port of Spain · #1026 of 1413 destinations to visit in August · comfort 64/100 (tier C)

Days
31°C
Nights
25°C
Wet days
24
Sun
10.9 h
Humidity
82%
Daylight
13 h
Port of Spain, Trinidad and Tobago
Photo: DizzyNN · CC BY-SA 4.0

Traveller notes on Port of Spain in August

Other months in Port of Spain

Detailed July-specific trip reports for Port of Spain are relatively thin on the forum, with more discussion focused on rainy-season logistics generally than granular July detail. Posters discussing the broader Trinidad and Tobago rainy season, which runs roughly June through December, describe frequent, often heavy but typically short-lived downpours rather than sustained all-day rain, consistent with the wet-season pattern across this part of the southern Caribbean. Given the limited destination-specific detail for this exact month, this note leans on that broader seasonal cue: July sits within the wetter half of the year for Port of Spain, with hot, humid conditions and a real, near-daily chance of rain that visitors should plan flexible outdoor time around.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Forum coverage of Port of Spain's January weather specifically is thin, with one poster's thread title itself suggesting rain is a real enough possibility to plan a visit around potentially rainy days. Given the limited detailed trip reports available, the broader Caribbean January pattern - the drier, cooler half of the year across most of the region - is the most useful general guide, though Trinidad's position further south and closer to the South American coast means its climate runs a bit more humid and rain-prone year-round than islands further north in the Caribbean chain. Posters generally recommend having backup indoor plans in case a January day in Port of Spain does turn rainy.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Port of Spain's card on the map.

Port of Spain climate normals — August

Daytime high31°C / 88°F🔥 sweltering
Nighttime low25°C / 78°F
Feels like (high)36°C / 97°F
Sea temperature30°C / 86°F♨️ bath-warm
Rainfall133 mm / 5.2 in🌧 rainy
Rainy days24 days
Humidity82%💦 very humid
Dew point24°C / 75°F
Sunshine10.9 h/day
Daylight12.5 h
Wind23 km/h / 14 mph
Air quality (US AQI)38🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Port of Spain in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyEmancipation Day, school holidays in 3 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Port of Spain's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherPort of Spain's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

JFMAMJJASOND

What's on in Port of Spain in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Leatherback nesting

    1 Mar – 31 Aug · usuallyTurtle nesting

    Trinidad has one of the densest leatherback rookeries anywhere, on the north-coast beaches at Grande Riviere and Matura. Both are a long drive from the capital and both need a permit and a guide after dark. Source ↗

  • Holiday

    Emancipation Day

    30 Jul – 1 AugNational holidayClosuresCrowded

    Trinidad was the first country to make it a public holiday. The Kambule procession leaves before dawn on the first and the village on the Savannah runs for days either side of it. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Port of Spain — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Port of Spain?

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Port of Spain in August — FAQ

Is August a good time to visit Port of Spain?
August in Port of Spain: sweltering, rainy, with clean air — a gamble, with 24 rainy days. It ranks #10 of 12 months for Port of Spain on SeasonMap's comfort score (64/100).
What is the weather like in Port of Spain in August?
In August, Port of Spain averages a daily high of 31°C and a low of 25.3°C, with about 132.5 mm of rain over roughly 23.7 rainy days.
What is the air quality in Port of Spain in August?
Port of Spain has a mean US Air Quality Index of about 38 in August.

Within 300 km: Tobago's Leatherback nesting around 1 Mar – 31 Aug.