São Francisco do Guaporé in Fall

In fall (March, April and May), São Francisco do Guaporé sees average daytime highs around 30°C and overnight lows near 22°C, with 471 mm of rain over about 64 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.

Across fall, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 10% of the time across fall, and the air most often feels oppressive.

Fall is São Francisco do Guaporé's 2nd-best season to visit on our travel score. For the whole year in context, see São Francisco do Guaporé's year-round climate.

Avg daytime high
30°C
coldest season of the year
Avg overnight low
22°C
Rainfall
471 mm
64 wet days
Avg wind
5 km/h
Travel score
3.8
2nd-best season
Months
Mar · Apr · May

Temperature in São Francisco do Guaporé in Fall

Average highAverage lowShaded bands: 10–90% of days

Across fall, daytime highs hold fairly steady around 30°C.

A typical fall day in São Francisco do Guaporé reaches about 30°C and drops to 22°C overnight. The warmest of the three months is March, the coolest May.

15°20°25°30°35°MarAprMay

How fall really feels in São Francisco do Guaporé

Once humidity and wind are folded in, fall brings about 74 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
74
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

São Francisco do Guaporé weather by month

How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°24527.612.62.8
Feb30° / 23°25825.412.42.9
Mar30° / 23°24927.712.12.9
Apr30° / 22°14821.611.73.6
May29° / 21°7414.211.54.8
Jun30° / 20°244.811.35.7
Jul31° / 19°16311.45.5
Aug33° / 20°305.611.64.3
Sep33° / 22°7213.611.93.3
Oct32° / 23°13920.212.32.9
Nov31° / 23°19323.612.62.9
Dec30° / 23°2412712.72.8

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time across fall.

0%25%50%75%100%MarAprMay

Chance of precipitation in Fall

Any precipitation

São Francisco do Guaporé gets around 471 mm of rain over 64 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%MarAprMay

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%MarAprMay

Wind in Fall

Winds average 5 km/h across fall.

0246810MarAprMay

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 12 h 18 min in early March to 11 h 24 min by late May. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMMarAprMay

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 4.5 kWh/m².

024MarAprMay
Planning a trip in fall

Hazard calendar for São Francisco do Guaporé

In seasonPeak

In fall, São Francisco do Guaporé overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

São Francisco do Guaporé's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is fall a good time to visit São Francisco do Guaporé?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.8
Sightseeing
2nd-best month of the year
5.0
Beach & pool
2nd-best month of the year

fall is a weaker month for outdoor sightseeing in São Francisco do Guaporé.

What to pack for São Francisco do Guaporé in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, São Francisco do Guaporé sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 64 days see rain.

light clothesrain gearsun protection

UV index in São Francisco do Guaporé in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São Francisco do Guaporé peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 22UV 15Sep 14UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep3Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in São Francisco do Guaporé in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in São Francisco do Guaporé is worst in September — around 76 µg/m³ PM2.5 (unhealthy), about 9.4× the cleanest month (June, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodUnhealthyModerateSep 1671 µg/m³Jun 98 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar12Moderate
Apr9Good
May8Good
Jun8Good
Jul10Good
Aug41Poor
Sep76Unhealthy
Oct39Poor
Nov18Moderate
Dec13Moderate
Location & terrain

Where is São Francisco do Guaporé?

São Francisco do Guaporé sits at 12.1°S, 63.6°W, 170 m above sea level, in Brazil. The nearest listed city is São Miguel do Guaporé, 101 km away.

Topography around São Francisco do Guaporé

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Francisco do Guaporé.

Within 3 km, the terrain around São Francisco do Guaporé has only modest variations in elevation — a maximum elevation change of 42 m around an average of 166 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 86 m; within 80 km, significant variations in elevation — a maximum elevation change of 513 m.

The land around São Francisco do Guaporé is covered by grassland (76%) within 3 km, grassland (68%) and trees (29%) within 16 km, and trees (66%) and grassland (28%) within 80 km.

3 km
42 m
16 km
86 m
80 km
513 m
treesgrasslandcroplandartificial surfaceswetland
Fall weather nearby: São Miguel do Guaporé 101 km · Alta Floresta d'Oeste 176 km · Rolim de Moura do Guaporé 181 km · Rolim de Moura 194 km · Presidente Médici 206 km · Buritis 207 km · Ouro Preto do Oeste 207 km · Jaru 216 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for São Francisco do Guaporé (-12.0522°, -63.5675°, elevation 170 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.