In terms of precipitation, rainfall in Guyana ranges from 78.0 - 319.0 inches per month. June is typically the wettest month, when rainfall can reach 319.0 mm. September is typically the driest time to visit Guyana when rainfall is around 78.0 mm.
If weather is an important factor for your trip to Guyana, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).