Monthly climate guide
São Luís weather in July
July in São Luís is typically hot, with average daytime highs around 30°C (86°F) and night-time lows near 25°C (76°F). The month usually brings about 74 mm of rain (some rain) and is a mix of sun and cloud. Daytime highs are about the same as June and 2°C cooler than August.
What stands out in July
- Days and nights are close, only about 5°C apart.
- July sits in São Luís's drier season — usually a comfortable time to visit.
- It's humid — around 83% — so the heat feels heavier.
- Even after dark it stays around 25°C, so sleeping can feel warm.
Avg high
30°C
86°F
Avg low
25°C
76°F
Rainfall
74 mm
some rain
Humidity
83%
relative
Sky
37%
cloud · a mix of sun and cloud
São Luís weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 30°C / 86°F | 25°C / 78°F | 170 mm | 81% | 74% |
| February | 29°C / 85°F | 25°C / 77°F | 225 mm | 86% | 83% |
| March | 29°C / 84°F | 25°C / 77°F | 298 mm | 89% | 83% |
| April | 29°C / 84°F | 25°C / 77°F | 290 mm | 90% | 81% |
| May | 29°C / 84°F | 25°C / 78°F | 213 mm | 90% | 66% |
| June | 29°C / 85°F | 25°C / 77°F | 114 mm | 87% | 47% |
| July | 30°C / 86°F | 25°C / 76°F | 74 mm | 83% | 37% |
| August | 32°C / 89°F | 25°C / 77°F | 22 mm | 75% | 26% |
| September | 32°C / 90°F | 26°C / 78°F | 11 mm | 72% | 23% |
| October | 32°C / 90°F | 26°C / 79°F | 11 mm | 71% | 35% |
| November | 32°C / 89°F | 26°C / 79°F | 25 mm | 73% | 47% |
| December | 31°C / 88°F | 26°C / 79°F | 47 mm | 75% | 58% |
What to pack for July
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Sunglasses
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is July a good time to visit São Luís?
Compare the months in the chart above to find your ideal window.
Best time to visit São Luís →Other Brazil cities in July
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São Luís weather in July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/brazil/sao-luis/july
<a href="https://weathercompare.eu/weather/brazil/sao-luis/july">São Luís weather in July</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/brazil/sao-luis" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="São Luís weather in July"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/brazil/sao-luis/july">São Luís weather in July</a> – WeatherCompare</p>
São Luís in July: quick answers
Is July a good time to visit São Luís?
July is a reasonable time for São Luís: highs around 30°C and about 74 mm of rain, though not one of the three best months.
How warm is São Luís in July?
Average highs are about 30°C (86°F) and average lows about 25°C (76°F), based on 10 years of daily data.
Does it rain a lot in São Luís in July?
São Luís typically gets around 74 mm of rain in July — some rain.
Figures are long-term averages for the area around São Luís (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.