Lagos weather by month
Lagos runs from about 13°C in December to 24°C in August, with October the wettest month at 154 mm.
warmest month
August
24°C
coolest month
December
13°C
wettest month
October
154 mm
worst air month
August
9 µg/m³
The whole year, month by month.
| Month | Avg temp | Rain | Sun | PM2.5 |
|---|---|---|---|---|
| January | 14°C | 81 mm | 234 h | 5 |
| February | 15°C | 60 mm | 241 h | 7 |
| March | 14°C | 149 mm | 281 h | 7 |
| April | 17°C | 16 mm | 346 h | 6 |
| May | 19°C | 4 mm | 395 h | 6 |
| June | 21°C | 14 mm | 385 h | 7 |
| July | 23°C | 3 mm | 409 h | 6 |
| August | 24°C | 0 mm | 394 h | 9 |
| September | 21°C | 10 mm | 334 h | 6 |
| October | 19°C | 154 mm | 275 h | 6 |
| November | 17°C | 77 mm | 239 h | 4 |
| December | 13°C | 4 mm | 258 h | 5 |
About 3,791 hours of sun a year. Roughly 56 rainy days a year.
These are long-run climate normals, not a forecast. A given year can sit well outside them. PM2.5 is a global model: near the coast it counts sea salt as fine particulate and reads high against ground stations, sometimes by a factor of two. Use the shape of the year, not the absolute number.
where these numbers come from
- · Temperature, rainfall and sunshine: ECMWF ERA5 reanalysis climate normals via Open-Meteo (CC BY 4.0), fetched once and stored.
- · PM2.5: Copernicus CAMS reanalysis, monthly means. Modelled, not station readings; near coasts CAMS counts sea salt as PM2.5 and reads high.
Last reviewed 2026-05-25. Full method, licences and the list of sources we rejected are on the methodology page.