São Francisco do Guaporé weather in May

In May, São Francisco do Guaporé sees average daytime highs of 29°C and overnight lows near 21°C, with 74 mm of rain across 14.2 wet days and about 11.5 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 24 min by month's end. Set against the rest of the year, May is São Francisco do Guaporé's 5th-clearest and 9th-windiest month. For the whole year in context, see São Francisco do Guaporé's year-round climate.

Daytime high
29°
12th warmest
Overnight low
21°
4th coldest
Rainfall
74 mm
14.2 wet days
Daylight
11 h 24 min
6:27 AM – 5:54 PM
Cloud cover
65%
5th clearest
Wind
5 km/h
9th windiest
Solar energy
4.32 kWh/m²
Travel score
4.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in São Francisco do Guaporé reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
42922
52922
62922
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

How May really feels in São Francisco do Guaporé

Once humidity and wind are folded in, May averages 13 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
13
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

São Francisco do Guaporé weather by month

How May compares with the rest of the year at a glance. May is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33268
43268
53367
63466
73466
83466
93664
103664
113664
123664
133763
143763
153961
163961
174159
184159
194159
204357
214456
224456
234654
244852
254951
264951
275149
285248
295545
305644
315842

Chance of precipitation in May

Any precipitation

São Francisco do Guaporé gets around 74 mm of rain over 14.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 45% and peaks near 57% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
157
256
355
454
553
652
752
851
950
1050
1149
1249
1349
1448
1548
1647
1747
1846
1945
2044
2143
2242
2341
2440
2538
2637
2735
2834
2932
3031
3129

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112487411
212497311
312597310
41259749
523510729
623510728
723510728
823510737
923511727
1023511727
1123512726
1223512726
1323513716
1423513725
1523514715
1613515724
1712515734
1812516733
1912517723
2012517732
2112618712
2212619702
2312620701
2412620701
2512621691
2612622681
2712623671
2812624661
2913624660
3003625660
3103726640

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 min at the start of May to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 6:24 AM to 6:31 AM, and sunset from 5:59 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:245:59
211.66:245:58
311.66:245:58
411.56:255:58
511.56:255:57
611.56:255:57
711.56:255:56
811.56:255:56
911.56:265:56
1011.56:265:56
1111.56:265:55
1211.56:265:55
1311.56:265:55
1411.56:275:54
1511.56:275:54
1611.46:275:54
1711.46:275:54
1811.46:285:53
1911.46:285:53
2011.46:285:53
2111.46:285:53
2211.46:295:53
2311.46:295:53
2411.46:295:53
2511.46:295:52
2611.46:305:52
2711.46:305:52
2811.46:305:52
2911.46:315:52
3011.46:315:52
3111.46:315:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.32 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 5.62 kWh/m² in September across the year — May's 4.32 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for São Francisco do Guaporé

In seasonPeak

None of São Francisco do Guaporé's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 May a good time to visit São Francisco do Guaporé?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.8
Sightseeing
3rd-best month of the year
6.3
Beach & pool
4th-best month of the year

May is a reasonable time to visit São Francisco do Guaporé for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for São Francisco do Guaporé in May

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

In May, São Francisco do Guaporé sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. About 14 days see rain.

light clothesrain gear

UV index in São Francisco do Guaporé in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).