Maranhão weather in October
October is one of the best months to visit Maranhão: highs of 31°C (89°F) and about 15 mm (0.6 in) of rain on average. Nights average 25°C (77°F) and cloud cover 34% (NASA POWER, 2001–2025 averages). It is the driest month of the year and the 2nd warmest. Compared with September, it is about as warm and drier; November brings highs of 31°C (88°F) and 17 mm (0.7 in) of rain.
Figures are long-term averages for São Luís, the largest city in Maranhão. See below for other places.
Is October a good time to visit Maranhão?
best month Weather score 89/100.
Yes. October is one of the best months for weather in Maranhão.
Does it rain a lot in Maranhão in October?
No, it is usually dry: about 15 mm (0.6 in) falls in an average October. It is the driest month of the year.
How warm is Maranhão in October?
Days average 31°C (89°F) and nights 25°C (77°F).
Maranhão weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 30°C (85°F) | 25°C (76°F) | 191 mm | 73% | fair |
| February | 29°C (83°F) | 25°C (76°F) | 247 mm | 81% | least pleasant |
| March | 28°C (83°F) | 25°C (76°F) | 322 mm | 82% | least pleasant |
| April | 28°C (82°F) | 25°C (77°F) | 357 mm | 82% | least pleasant |
| May | 28°C (83°F) | 25°C (77°F) | 238 mm | 67% | least pleasant |
| June | 29°C (84°F) | 25°C (76°F) | 149 mm | 50% | fair |
| July | 29°C (84°F) | 24°C (76°F) | 88 mm | 38% | best |
| August | 31°C (87°F) | 24°C (76°F) | 23 mm | 26% | best |
| September | 32°C (89°F) | 25°C (76°F) | 23 mm | 25% | best |
| October | 31°C (89°F) | 25°C (77°F) | 15 mm | 34% | best |
| November | 31°C (88°F) | 25°C (78°F) | 17 mm | 46% | best |
| December | 31°C (87°F) | 25°C (78°F) | 47 mm | 58% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Maranhão in October
Weather can differ a lot within Maranhão: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| São Luís | 31°C (89°F) | 25°C (77°F) | 15 mm | best |
| Imperatriz | 36°C (97°F) | 25°C (77°F) | 66 mm | least pleasant |
| Caxias | 37°C (98°F) | 25°C (77°F) | 26 mm | fair |
| Codó | 37°C (99°F) | 24°C (76°F) | 24 mm | fair |
| Barra do Corda | 36°C (97°F) | 25°C (77°F) | 44 mm | least pleasant |
| Santa Inês | 36°C (97°F) | 25°C (76°F) | 22 mm | fair |