Climate of Guyana — Month by Month
Country-wide average for Guyana. Part of South America, America.
Located in South America, America, Guyana has a tropical climate. Country-wide average temperatures range from 26.5°C / 79.7°F in January to 27.5°C / 81.5°F in September, with annual rainfall totalling around 2285 mm / 90 in — driest in September (85 mm / 3.3 in), wettest in June (330 mm / 13 in). These are national averages; regional variation can be substantial, especially in geographically diverse countries. For city-level detail see the cities section below, and for state or province breakdowns follow the subdivisions link if available.
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| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 26.5°C79.7°F | 200 mm7.9″ | Tropical |
| February | 26.5°C79.7°F | 115 mm4.5″ | Tropical |
| March | 27°C80.6°F | 110 mm4.3″ | Tropical |
| April | 27°C80.6°F | 150 mm5.9″ | Tropical |
| May | 26.5°C79.7°F | 300 mm11.8″ | Tropical |
| June | 26.5°C79.7°F | 330 mm13″ | Tropical |
| July | 26.5°C79.7°F | 270 mm10.6″ | Tropical |
| August | 27°C80.6°F | 175 mm6.9″ | Tropical |
| September | 27.5°C81.5°F | 85 mm3.3″ | Tropical |
| October | 27.5°C81.5°F | 105 mm4.1″ | Tropical |
| November | 27.5°C81.5°F | 165 mm6.5″ | Tropical |
| December | 27°C80.6°F | 280 mm11″ | Tropical |
Frequently asked questions
What is the best time to visit Guyana?
Guyana does not have a clear sunny-and-dry window by our cutoffs. The warmest month is September at 27.5°C / 81.5°F, and the driest is September at 85 mm / 3.3 in — likely your best travel window.
What is the climate of Guyana?
Guyana has country-wide monthly average temperatures ranging from 26.5°C / 79.7°F in January to 27.5°C / 81.5°F in September. Annual rainfall averages about 2285 mm / 90 in, with the wettest month being June (330 mm / 13 in) and the driest September (85 mm / 3.3 in). Regional variation within Guyana can be significant — see subdivision or city pages for detail.
What is the hottest month in Guyana?
The hottest month in Guyana is September, with a country-wide average temperature of 27.5°C / 81.5°F.
What is the coldest month in Guyana?
The coldest month in Guyana is January, with a country-wide average temperature of 26.5°C / 79.7°F.
When does it rain most in Guyana?
The wettest month in Guyana is June, averaging about 330 mm / 13 in of rain. The driest is September with about 85 mm / 3.3 in.