Guyana Climatic Classifications

Summary: Most regions (9) in Guyana lie in the Tropical rainforest climate zone (Köppen: Af). The mean average of annual temperatures range from a high of 29.22°C (84.6°F) in Potaro-Siparuni to a low of 24.35°C (75.83°F) in Cuyuni-Mazaruni.

Climate Guyana: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)33.42(92.16)33.5(92.3)34.28(93.7)33.09(91.56)30.85(87.53)30.5(86.9)30.93(87.67)32.41(90.34)33.68(92.62)34.19(93.54)33.43(92.17)32.81(91.06)34.28(93.7)
Average high °C (°F)30.18(86.32)30.11(86.2)31.12(88.02)31.03(87.85)30.05(86.09)29.86(85.75)30.24(86.43)31.56(88.81)32.67(90.81)32.81(91.06)31.71(89.08)30.36(86.65)30.98(87.76)
Daily mean °C (°F)26.96(80.53)26.93(80.47)27.82(82.08)27.96(82.33)27.4(81.32)27.16(80.89)27.3(81.14)28.19(82.74)29.01(84.22)29.16(84.49)28.35(83.03)27.28(81.1)27.79(82.02)
Average low °C (°F)21.42(70.56)21.66(70.99)22.1(71.78)22.54(72.57)22.77(72.99)22.3(72.14)21.95(71.51)22.15(71.87)22.51(72.52)22.65(72.77)22.6(72.68)22.04(71.67)22.22(72.0)
Record low °C (°F)17.73(63.91)17.97(64.35)18.41(65.14)18.83(65.89)19.33(66.79)18.88(65.98)18.3(64.94)18.17(64.71)18.1(64.58)17.99(64.38)18.53(65.35)18.19(64.74)17.73(63.91)
Average precipitation mm (inches)61.45(2.42)56.69(2.23)47.27(1.86)82.98(3.27)175.6(6.91)185.43(7.3)162.55(6.4)133.24(5.25)88.43(3.48)82.96(3.27)122.6(4.83)116.54(4.59)109.64(4.32)
Average precipitation days (≥ 1.0 mm)14.4714.4912.6615.9123.4323.1623.5119.9616.5215.0117.4517.7717.86
Average relative humidity (%)77.9577.8374.9676.8983.0484.7384.0880.8477.2275.7978.8480.4579.39
Mean monthly sunshine hours8.99.6910.6710.8710.6611.3611.7811.8710.8610.5410.29.1410.54

Guyana Climate Graph

Guyana

Guyana’s Cities by Temperature

Guyana’s states/regions ranking by average yearly temperature:

Potaro-Siparuni
29.22°C | 84.6°F
Upper Takutu-Upper Essequibo
29.22°C | 84.6°F
Upper Demerara-Berbice
28.08°C | 82.54°F
Mahaica-Berbice
28.06°C | 82.51°F
Demerara-Mahaica
28.06°C | 82.51°F
Pomeroon-Supenaam
28.06°C | 82.51°F
Essequibo Islands-West Demerara
28.06°C | 82.51°F
Barima-Waini
27.71°C | 81.88°F
East Berbice-Corentyne
27.12°C | 80.82°F
Cuyuni-Mazaruni
24.35°C | 75.83°F

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