| January | 29.5 | 1 | 0.8 | Low And Clear | Dry season, lower river, clearer water and steady boat days, 1 mm over 0.8 rain days, highs of 29.5 C. |
| February | 31.8 | 1.8 | 0.5 | Low And Clear | Dry season, lower river, clearer water and steady boat days, 1.8 mm over 0.5 rain days, highs of 31.8 C. |
| March | 33.9 | 2.6 | 0.6 | Low And Clear | Dry season, lower river, clearer water and steady boat days, 2.6 mm over 0.6 rain days, highs of 33.9 C. |
| April | 35.9 | 9.7 | 1.9 | Low And Clear | Dry season, lower river, clearer water and steady boat days, 9.7 mm over 1.9 rain days, highs of 35.9 C. Hottest month of the year. |
| May | 35.4 | 88.5 | 9.1 | Transition | Edge of the rainy season, showers start or fade, boats still run, 88.5 mm over 9.1 rain days, highs of 35.4 C. |
| June | 32.8 | 211.1 | 17.7 | High And Green | Rainy season, higher river and the Arbol de Navidad waterfall at full flow, preventive boat suspensions possible, 211.1 mm over 17.7 rain days, highs of 32.8 C. |
| July | 32.4 | 164.5 | 16.6 | High And Green | Rainy season, higher river and the Arbol de Navidad waterfall at full flow, preventive boat suspensions possible, 164.5 mm over 16.6 rain days, highs of 32.4 C. |
| August | 32.4 | 216.6 | 16.7 | High And Green | Rainy season, higher river and the Arbol de Navidad waterfall at full flow, preventive boat suspensions possible, 216.6 mm over 16.7 rain days, highs of 32.4 C. |
| September | 31.6 | 208.7 | 18.4 | High And Green | Rainy season, higher river and the Arbol de Navidad waterfall at full flow, preventive boat suspensions possible, 208.7 mm over 18.4 rain days, highs of 31.6 C. Late tropical storm risk. |
| October | 30.7 | 77 | 10 | Transition | Edge of the rainy season, showers start or fade, boats still run, 77 mm over 10 rain days, highs of 30.7 C. Late tropical storm risk. |
| November | 29.6 | 16.7 | 3 | Low And Clear | Dry season, lower river, clearer water and steady boat days, 16.7 mm over 3 rain days, highs of 29.6 C. |
| December | 29.5 | 2.6 | 1.2 | Low And Clear | Dry season, lower river, clearer water and steady boat days, 2.6 mm over 1.2 rain days, highs of 29.5 C. |