Climate in Guyana

Guyana has a highly diverse climate, with major differences between regions. Annual temperatures range from lows of -9°C in the coldest regions to highs of 24°C in the warmest areas. Precipitation is relatively consistent across the country, ranging between 83mm and 261mm annually. Some regions receive significant snowfall, with up to 33cm annually, while other areas see little to none. The warmest areas are warm year-round while the coldest regions remain cool, making Guyana a country of sharp climate contrasts.

Temperature patterns across Guyana vary by region, with distinct differences between areas. The North is the warmest part of the country, with peak temperatures reaching 24°C and an annual average of 21°C. Cooler conditions are found in the North, where winter lows drop to -9°C and an annual average of 4°C. This 17°C difference in annual averages between regions means travellers can experience vastly different conditions depending on which part of Guyana they visit. The biggest regional differences emerge in summer, with up to 20°C variation across the country. For example, Bartica in the Cuyuni-Mazaruni Region averages 21°C annually, while Georgetown in the Demerara-Mahaica Region averages 4°C.

Precipitation across Guyana is moderately consistent, with regional totals ranging between 83mm and 261mm annually. The North receives the most rainfall, at approximately 261mm annually. The Northeast is the driest, with around 83mm per year. Rainfall is distributed fairly evenly across the seasons, with no strong wet or dry period in most regions. The North sees the most snowfall, with up to 33cm annually, while other parts of the country receive little to none. Visitors heading to wetter areas can expect more frequent rain than those staying in drier parts of the country.