Average annual temperature is 25.9 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 17 days
Number of rainy days: 348 days
Look at detailed online map of Lancaster
* Weather data for Lancaster Guyana is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.4 | 29.9 | 32.8 | 33.2 | 33.3 | 32.5 | 32.3 | 34.6 | 37.3 | 38.1 | 34.5 | 34.1 |
| Average daytime temperature (°C) | 28.2 | 28.4 | 30.2 | 30.4 | 30.0 | 30.4 | 30.7 | 32.2 | 34.7 | 35.0 | 32.8 | 31.8 |
| Average temperature (°C) | 23.7 | 24.2 | 25.0 | 25.4 | 25.3 | 25.3 | 25.6 | 26.7 | 28.3 | 28.4 | 27.0 | 26.4 |
| Average night temperature (°C) | 20.8 | 21.5 | 21.3 | 22.1 | 22.7 | 22.5 | 22.5 | 22.9 | 23.8 | 24.2 | 23.3 | 22.9 |
| Absolute minimum temperature (°C) | 18.5 | 20.2 | 19.4 | 20.9 | 21.6 | 21.6 | 21.8 | 21.7 | 22.7 | 22.8 | 21.5 | 21.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 7.9 | 8.7 | 10.5 | 8.9 | 7.7 | 8.6 | 10.1 | 10.5 | 11.2 | 10.5 | 10.4 | 9.7 |
| Precipitation (mm) | 300 | 212 | 83 | 271 | 311 | 366 | 249 | 152 | 43 | 79 | 102 | 168 |
| Sunny days | 1 | 1 | 2 | 3 | 0 | 0 | 0 | 4 | 4 | 2 | 0 | 0 |
| Rainy days | 30 | 27 | 29 | 27 | 31 | 30 | 31 | 27 | 26 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lancaster is at