CLIMATE
Climate of Lethem, Guyana
Seasonal climate characteristics and practical weather context.
Climate of Lethem, Guyana
NASA POWER’s 1991–2020 climatology for Lethem, Guyana (3.373, -59.800) gives an annual mean temperature of 28.0 °C and estimated annual precipitation of about 1,503 mm.
Temperature
March has the highest monthly mean temperature at 30.0 °C. July is coolest at 26.1 °C, a yearly monthly-mean range of 3.9 °C.
Precipitation
June has the highest estimated monthly total (about 299 mm); January has the lowest (about 28 mm). Monthly totals are estimated from NASA POWER’s mean daily precipitation rates.
Monthly averages
| Month | Mean temperature | Estimated precipitation |
|---|---|---|
| January | 28.9 °C | 28 mm |
| February | 29.4 °C | 32 mm |
| March | 30.0 °C | 34 mm |
| April | 29.1 °C | 112 mm |
| May | 27.1 °C | 281 mm |
| June | 26.2 °C | 299 mm |
| July | 26.1 °C | 275 mm |
| August | 26.6 °C | 195 mm |
| September | 27.4 °C | 83 mm |
| October | 28.2 °C | 63 mm |
| November | 28.5 °C | 60 mm |
| December | 28.4 °C | 42 mm |