Climate averages 1991–2020
Port of Spain weather
in December.
A warm, moderately wet month: the 11th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Port of Spain: daytime highs average 27.6°C and nights cool to about 24.9°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 85 mm of rain on roughly 17 days, which makes December a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 31 min on an average December day.
The nearest other city in this atlas is Saint George's (156 km away). In December its highs average 27.1°C, 0.5°C cooler than Port of Spain, with 75 mm of rain.
From December to January, average highs fall by 0.2°C to 27.4°C, and monthly rainfall falls from 85 mm to 46 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Saint George's in DecemberGrenada · 156 kmHigh 27.1°C · Low 25.4°C · 75 mm rain
- Tucupita in DecemberVenezuela · 188 kmHigh 28.8°C · Low 22.7°C · 108 mm rain
- Carúpano in DecemberVenezuela · 190 kmHigh 28.8°C · Low 23.5°C · 76 mm rain
- Maturín in DecemberVenezuela · 209 kmHigh 28.7°C · Low 22.3°C · 68 mm rain
- Porlamar in DecemberVenezuela · 259 kmHigh 26.8°C · Low 25.0°C · 60 mm rain
- Kingstown in DecemberSaint Vincent and the Grenadines · 279 kmHigh 27.3°C · Low 25.6°C · 55 mm rain
- Ciudad Guayana in DecemberVenezuela · 285 kmHigh 29.3°C · Low 22.6°C · 48 mm rain
- Cumaná in DecemberVenezuela · 292 kmHigh 28.4°C · Low 23.6°C · 18 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.