Trinidad and Tobago Climatic Classifications

Code Description Group Number of states/regions States/regions
Am Tropical monsoon Tropical 11 Arima Chaguanas Couva-Tabaquite-Talparo Mayaro-Rio Claro Penal-Debe Princes Town San Fernando San Juan-Laventille Sangre Grande Tobago Tunapuna-Piarco
Aw Tropical wet and dry or savanna Tropical 4 Diego Martin Point Fortin Port of Spain Siparia

Summary: Most regions (11) in Trinidad and Tobago lie in the Tropical monsoon climate zone (Köppen: Am). The mean average of annual temperatures range from a high of 28.09°C (82.56°F) in San Fernando to a low of 27.37°C (81.27°F) in Sangre Grande.

Climate Trinidad and Tobago: Weather By Month

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 28.31(82.96) 28.55(83.39) 28.87(83.97) 29.43(84.97) 29.84(85.71) 29.46(85.03) 29.57(85.23) 30.37(86.67) 30.71(87.28) 30.37(86.67) 29.71(85.48) 28.8(83.84) 30.71(87.28)
Average high °C (°F) 27.83(82.09) 27.97(82.35) 28.32(82.98) 28.86(83.95) 29.3(84.74) 29.01(84.22) 29.08(84.34) 29.78(85.6) 30.15(86.27) 29.81(85.66) 29.19(84.54) 28.33(82.99) 28.97(84.15)
Daily mean °C (°F) 26.55(79.79) 26.65(79.97) 27.03(80.65) 27.63(81.73) 28.11(82.6) 27.89(82.2) 27.92(82.26) 28.47(83.25) 28.82(83.88) 28.51(83.32) 27.96(82.33) 27.11(80.8) 27.72(81.9)
Average low °C (°F) 24.66(76.39) 24.61(76.3) 24.95(76.91) 25.52(77.94) 26.11(79.0) 26.05(78.89) 25.95(78.71) 26.35(79.43) 26.67(80.01) 26.49(79.68) 26.09(78.96) 25.33(77.59) 25.73(78.31)
Record low °C (°F) 24.29(75.72) 24.21(75.58) 24.55(76.19) 25.12(77.22) 25.72(78.3) 25.69(78.24) 25.59(78.06) 25.99(78.78) 26.27(79.29) 26.14(79.05) 25.75(78.35) 25.03(77.05) 24.21(75.58)
Average precipitation mm (inches) 61.72(2.43) 44.12(1.74) 42.15(1.66) 46.78(1.84) 61.94(2.44) 136.68(5.38) 180.43(7.1) 233.37(9.19) 191.2(7.53) 206.03(8.11) 178.95(7.05) 134.68(5.3) 126.5(4.98)
Average precipitation days (≥ 1.0 mm) 12.04 8.56 8.34 7.66 10.19 17.12 21.3 23.22 21.87 21.43 19.97 17.32 15.75
Average relative humidity (%) 76.28 75.06 75.08 75.06 75.48 77.14 77.55 76.46 76.08 76.84 77.77 77.96 76.4
Mean monthly sunshine hours 10.3 11.18 10.99 12.21 12.46 12.38 12.47 12.44 12.12 11.13 9.47 8.17 11.28

Trinidad and Tobago Climate Graph

Trinidad and Tobago’s Cities by Temperature

Trinidad and Tobago’s states/regions ranking by average yearly temperature:

San Fernando
28.09°C | 82.56°F
Mayaro-Rio Claro
28.09°C | 82.56°F
Siparia
28.09°C | 82.56°F
Penal-Debe
28.09°C | 82.56°F
Couva-Tabaquite-Talparo
28.09°C | 82.56°F
Princes Town
28.09°C | 82.56°F
Point Fortin
28.09°C | 82.56°F
Tobago
27.6°C | 81.68°F
Port of Spain
27.37°C | 81.27°F
Arima
27.37°C | 81.27°F
Tunapuna-Piarco
27.37°C | 81.27°F
Chaguanas
27.37°C | 81.27°F
San Juan-Laventille
27.37°C | 81.27°F
Diego Martin
27.37°C | 81.27°F
Sangre Grande
27.37°C | 81.27°F

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