Climate Insights for São Raimundo Nonato

São Raimundo Nonato, Piauí, Brazil

Hottest
October
34°C peak
Coldest
July
19°C low
Wettest
January
143mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in São Raimundo Nonato is hot. The average annual temperature is 27°C and approximately 658mm of precipitation falls per year. January is the wettest month, receiving around 143mm of rainfall. São Raimundo Nonato 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: 31° Average: 27° Min: 22° Feb Max: 31° Average: 26° Min: 22° Mar Max: 31° Average: 26° Min: 22° Apr Max: 31° Average: 27° Min: 23° May Max: 32° Average: 27° Min: 22° Jun Max: 31° Average: 26° Min: 21° Jul Max: 31° Average: 25° Min: 19° Aug Max: 33° Average: 27° Min: 20° Sep Max: 34° Average: 28° Min: 22° Oct Max: 34° Average: 29° Min: 23° Nov Max: 33° Average: 28° Min: 23° Dec Max: 32° Average: 27° Min: 22°
Max
Average
Min

São Raimundo Nonato sees moderate temperature variation throughout the year, ranging from 19°C to 34°C. The warmest month is October, when average highs reach 34°C and the mean temperature sits around 29°C. July is the coolest month, with minimum temperatures around 19°C and an average of 25°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 143mm Feb Precipitation: 119mm Mar Precipitation: 117mm Apr Precipitation: 69mm May Precipitation: 15mm Jun Precipitation: 3mm Jul Precipitation: 1mm Aug Precipitation: 1mm Sep Precipitation: 2mm Oct Precipitation: 34mm Nov Precipitation: 72mm Dec Precipitation: 80mm
Precipitation

São Raimundo Nonato is a relatively dry area, receiving approximately 658mm of precipitation annually, which averages out to around 55mm per month. The wettest month is January, averaging 143mm of rainfall. February and March also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 143mm less than January, 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: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 3km/h Jun Wind Speed: 4km/h Jul Wind Speed: 4km/h Aug Wind Speed: 4km/h Sep Wind Speed: 4km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

São Raimundo Nonato is relatively calm, with an average annual wind speed of 3km/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 4km/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 2km/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

89 days until Spring

It is currently winter in São Raimundo Nonato, which began on June 21, 2026. São Raimundo Nonato 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 34°C, while the coldest stretch bottoms out in July near 19°C. Spring is next, beginning on September 23, 2026 — 89 days from now.

Spring

Temperatures range from 22 to 34°C. Rainfall is relatively light, with around 109mm over the season and a monthly average of 36mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 22 to 32°C. Rainfall is heavy, totalling around 343mm across the season with a monthly average of 114mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 32°C. Precipitation is moderate at around 201mm for the season, averaging 67mm per month. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 19 to 33°C. Precipitation is minimal, with only around 5mm 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 Raimundo Nonato 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
22 °C
31 °C
2 km/h
143 mm
0 cm
Feb
22 °C
31 °C
2 km/h
119 mm
0 cm
Mar
22 °C
31 °C
2 km/h
117 mm
0 cm
Apr
23 °C
31 °C
2 km/h
69 mm
0 cm
May
22 °C
32 °C
3 km/h
15 mm
0 cm
Jun Current
21 °C
31 °C
4 km/h
3 mm
0 cm
Jul
19 °C
31 °C
4 km/h
1 mm
0 cm
Aug
20 °C
33 °C
4 km/h
1 mm
0 cm
Sep
22 °C
34 °C
4 km/h
2 mm
0 cm
Oct
23 °C
34 °C
3 km/h
34 mm
0 cm
Nov
23 °C
33 °C
3 km/h
72 mm
0 cm
Dec
22 °C
32 °C
3 km/h
80 mm
0 cm
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