Riachao, Maranhão Climate
Brazil
Pop. 22,145 Elev. 385 m / 1,263 ft
TZ: America/Fortaleza (UTC-3) ·
Temperatures in Riachao remain hot year-round, from 69°F (21°C) in July to 97°F (36°C) in September. Humidity pushes the summer feels-like temperature to around 106°F (41°C). Precipitation occurs on roughly 80 days per year (50.7 in / 1288 mm total). The city averages 118 sunny days per year and around 65 thunderstorm days.
| Temperature | 36°C (97°F) high | 21°C (69°F) low |
| Feels like | 41°C (106°F) high | 21°C (69°F) low |
| Rain | 80 days | 1288 mm (50.7 in) /yr |
| Sky | 118 sunny | 65 stormy |
| Wind | 1.6 m/s (3.6 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr
Sky & Air by Month
Cloud cover (%)
86
Jan 82
Feb 78
Mar 65
Apr 49
May 35
Jun 27
Jul 31
Aug 27
Sep 51
Oct 74
Nov 84
Dec Humidity (%)
84
Jan 82
Feb 83
Mar 79
Apr 61
May 54
Jun 44
Jul 41
Aug 39
Sep 48
Oct 70
Nov 82
Dec Weather Days by Month
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Nearby
Commercial airport 180 km Araguaína Airport (AUX)
National park 381 km Parque Nacional dos Campos Ferruginosos
Mountain peak
(1,639 m) 663 km Morro Buriti do Ouro
Hospital 64 km
Hiking trail 224 km
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 29°C 85°F | 22°C 71°F | 386 mm 15.2 in | — | 1 |
| February | 30°C 85°F | 22°C 71°F | 160 mm 6.3 in | — | 1 |
| March | 30°C 86°F | 22°C 71°F | 210 mm 8.3 in | — | 3 |
| April | 31°C 88°F | 22°C 72°F | 61 mm 2.4 in | — | 6 |
| May | 33°C 91°F | 22°C 72°F | 8 mm 0.3 in | — | 12 |
| June | 33°C 91°F | 21°C 70°F | 3 mm 0.1 in | — | 19 |
| July | 34°C 93°F | 21°C 69°F | 1 mm 0.1 in | — | 20 |
| August | 35°C 94°F | 22°C 72°F | 3 mm 0.1 in | — | 21 |
| September | 36°C 97°F | 24°C 74°F | 2 mm 0.1 in | — | 22 |
| October | 35°C 95°F | 23°C 74°F | 19 mm 0.8 in | — | 12 |
| November | 32°C 89°F | 22°C 72°F | 170 mm 6.7 in | — | 1 |
| December | 29°C 85°F | 22°C 71°F | 266 mm 10.5 in | — | 0 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 1 | 21 |
| February | 1 | 11 |
| March | 3 | 9 |
| April | 6 | 2 |
| May | 12 | 0 |
| June | 19 | 0 |
| July | 20 | 0 |
| August | 21 | 0 |
| September | 22 | 0 |
| October | 12 | 1 |
| November | 1 | 5 |
| December | 0 | 16 |