Climate averages 1991–2020
Port of Spain weather
in August.
A hot, wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Port of Spain: daytime highs average 28.6°C and nights cool to about 25.6°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 135 mm of rain on roughly 25 days, which makes August a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 28 min on an average August day.
The nearest other city in this atlas is Saint George's (156 km away). In August its highs average 28.0°C, 0.6°C cooler than Port of Spain, with 156 mm of rain.
From August to September, average highs rise by 0.6°C to 29.2°C, and monthly rainfall falls from 135 mm to 101 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Port of Spain climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.4°C24.4°C | 24.4°C | 46 | 10.9 | 11.612 h |
| February | 27.7°C24.4°C | 24.4°C | 21 | 6.6 | 11.812 h |
| March | 28.3°C24.7°C | 24.7°C | 19 | 4.7 | 12.112 h |
| April | 29.0°C25.3°C | 25.3°C | 23 | 4.9 | 12.412 h |
| May | 29.2°C25.7°C | 25.7°C | 46 | 9.8 | 12.613 h |
| June | 28.5°C25.4°C | 25.4°C | 103 | 19.2 | 12.713 h |
| July | 28.2°C25.3°C | 25.3°C | 125 | 24.2 | 12.713 h |
| August, selected | 28.6°C25.6°C | 25.6°C | 135 | 25.1 | 12.512 h |
| September | 29.2°C26.0°C | 26.0°C | 101 | 20.7 | 12.212 h |
| October | 28.9°C25.9°C | 25.9°C | 111 | 21.8 | 11.912 h |
| November | 28.2°C25.4°C | 25.4°C | 124 | 22.6 | 11.612 h |
| December | 27.6°C24.9°C | 24.9°C | 85 | 17.1 | 11.512 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Saint George's in AugustGrenada · 156 kmHigh 28.0°C · Low 26.0°C · 156 mm rain
- Tucupita in AugustVenezuela · 188 kmHigh 30.4°C · Low 23.6°C · 140 mm rain
- Carúpano in AugustVenezuela · 190 kmHigh 30.9°C · Low 24.4°C · 64 mm rain
- Maturín in AugustVenezuela · 209 kmHigh 30.2°C · Low 22.9°C · 121 mm rain
- Porlamar in AugustVenezuela · 259 kmHigh 28.2°C · Low 25.9°C · 42 mm rain
- Kingstown in AugustSaint Vincent and the Grenadines · 279 kmHigh 28.5°C · Low 26.4°C · 141 mm rain
- Ciudad Guayana in AugustVenezuela · 285 kmHigh 30.1°C · Low 22.9°C · 161 mm rain
- Cumaná in AugustVenezuela · 292 kmHigh 28.8°C · Low 24.2°C · 90 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Port of Spain) is explained once on the Port of Spain year overview and on the Sources, method and limits page.