Climate Insights for São Miguel do Tapuio

São Miguel do Tapuio, Piauí, Brazil

Hottest
October
35°C peak
Coldest
July
21°C low
Wettest
March
264mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in São Miguel do Tapuio is hot. The average annual temperature is 27°C and approximately 886mm of precipitation falls per year. March is the wettest month, receiving around 264mm of rainfall. São Miguel do Tapuio sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 32° Average: 27° Min: 23° Feb Max: 31° Average: 26° Min: 23° Mar Max: 30° Average: 26° Min: 23° Apr Max: 30° Average: 26° Min: 22° May Max: 31° Average: 26° Min: 22° Jun Max: 32° Average: 27° Min: 22° Jul Max: 32° Average: 27° Min: 21° Aug Max: 34° Average: 28° Min: 22° Sep Max: 35° Average: 29° Min: 23° Oct Max: 35° Average: 30° Min: 23° Nov Max: 35° Average: 29° Min: 24° Dec Max: 33° Average: 28° Min: 23°
Max
Average
Min

São Miguel do Tapuio sees moderate temperature variation throughout the year, ranging from 21°C to 35°C. October is the hottest month, with daytime highs reaching 35°C and an average of 30°C. July is the coolest month, with minimum temperatures around 21°C and an average of 27°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 166mm Feb Precipitation: 202mm Mar Precipitation: 264mm Apr Precipitation: 146mm May Precipitation: 32mm Jun Precipitation: 4mm Jul Precipitation: 4mm Aug Precipitation: 1mm Sep Precipitation: 1mm Oct Precipitation: 7mm Nov Precipitation: 14mm Dec Precipitation: 46mm
Precipitation

São Miguel do Tapuio is a moderately rainy area, receiving approximately 886mm of precipitation annually, which averages out to around 74mm per month. The wettest month is March, averaging 264mm of rainfall. February and January also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 264mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 4km/h Jul Wind Speed: 5km/h Aug Wind Speed: 4km/h Sep Wind Speed: 5km/h Oct Wind Speed: 5km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

São Miguel do Tapuio is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 3km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

82 days until Spring

It is currently winter in São Miguel do Tapuio, which began on June 21, 2026. São Miguel do Tapuio sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 35°C, while the coldest stretch bottoms out in July near 21°C. Spring is next, beginning on September 23, 2026 — 82 days from now.

Spring

Temperatures range from 23 to 35°C. Precipitation is minimal, with only around 22mm for the entire season. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 23 to 33°C. Rainfall is heavy, totalling around 414mm across the season with a monthly average of 138mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 442mm across the season with a monthly average of 147mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 21 to 34°C. Precipitation is minimal, with only around 8mm for the entire season. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for São Miguel do Tapuio based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
23 °C
32 °C
3 km/h
166 mm
0 cm
Feb
23 °C
31 °C
2 km/h
202 mm
0 cm
Mar
23 °C
30 °C
2 km/h
264 mm
0 cm
Apr
22 °C
30 °C
3 km/h
146 mm
0 cm
May
22 °C
31 °C
3 km/h
32 mm
0 cm
Jun
22 °C
32 °C
4 km/h
4 mm
0 cm
Jul Current
21 °C
32 °C
5 km/h
4 mm
0 cm
Aug
22 °C
34 °C
4 km/h
1 mm
0 cm
Sep
23 °C
35 °C
5 km/h
1 mm
0 cm
Oct
23 °C
35 °C
5 km/h
7 mm
0 cm
Nov
24 °C
35 °C
4 km/h
14 mm
0 cm
Dec
23 °C
33 °C
4 km/h
46 mm
0 cm
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