São Gonçalo do Amarante weather in May

In May, São Gonçalo do Amarante sees average daytime highs of 29°C and overnight lows near 25°C, with 119 mm of rain across 19.4 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 4th-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 39% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is São Gonçalo do Amarante's 8th-clearest and 9th-windiest month. For the whole year in context, see São Gonçalo do Amarante's year-round climate.

Daytime high
29°
9th warmest
Overnight low
25°
8th coldest
Rainfall
119 mm
19.4 wet days
Daylight
11 h 48 min
5:37 AM – 5:27 PM
Cloud cover
54%
8th clearest
Wind
15 km/h
9th windiest
Solar energy
5.05 kWh/m²
Travel score
4.3
out of 10

São Gonçalo do Amarante is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Gonçalo do Amarante reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, May runs on par with April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How May really feels in São Gonçalo do Amarante

Once humidity and wind are folded in, May averages 31 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
31
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 Gonçalo do Amarante weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°10318.412.24.3
Feb29° / 25°15121.312.13.8
Mar29° / 25°21525.9123.5
Apr29° / 25°25925.811.93.5
May29° / 25°11919.411.84.3
Jun29° / 25°6212.911.85.3
Jul30° / 24°316.511.86.0
Aug30° / 25°61.611.96.4
Sep30° / 25°30.6126.6
Oct30° / 25°4112.16.5
Nov30° / 26°71.912.26.2
Dec30° / 26°277.612.25.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24258
34555
44555
54753
64951
75050
85248
95347
105446
115545
125644
135743
145743
155842
165941
176040
186040
196139
206238
216337
226436
236436
246634
256733
266733
276931
286931
297129
307129
317228

Chance of precipitation in May

Any precipitation

São Gonçalo do Amarante gets around 119 mm of rain over 19.4 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 63% and peaks near 77% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
177
276
375
474
572
671
770
869
968
1067
1166
1265
1364
1464
1563
1662
1762
1861
1961
2060
2159
2259
2358
2457
2556
2656
2755
2854
2954
3053
3153

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 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
106832
206832
306832
406931
506931
607030
707030
807129
907129
1007228
1107327
1207327
1307426
1407426
1507525
1607624
1707723
1807723
1907822
2007822
2107921
2208020
2308020
2408119
2508218
2608317
2718316
2818415
2918514
3018712
3118811

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 5:37 AM to 5:39 AM, and sunset from 5:29 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:375:29
211.95:375:29
311.95:375:29
411.95:375:29
511.95:375:29
611.95:375:28
711.95:375:28
811.95:375:28
911.95:375:28
1011.95:375:28
1111.85:375:28
1211.85:375:28
1311.85:375:27
1411.85:375:27
1511.85:375:27
1611.85:375:27
1711.85:375:27
1811.85:375:27
1911.85:375:27
2011.85:375:27
2111.85:385:27
2211.85:385:27
2311.85:385:27
2411.85:385:27
2511.85:385:27
2611.85:385:27
2711.85:385:27
2811.85:385:27
2911.85:395:27
3011.85:395:27
3111.85:395:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.05 kWh/m².

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.78 kWh/m² in September across the year — May's 5.05 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Hazard calendar for São Gonçalo do Amarante

In seasonPeak

In May, São Gonçalo do Amarante sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

São Gonçalo do Amarante's monsoon runs February–May, when most of the year's rain falls.

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

Is May a good time to visit São Gonçalo do Amarante?

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

4.3
Sightseeing
8th-best month of the year
5.6
Beach & pool
9th-best month of the year

May is a reasonable time to visit São Gonçalo do Amarante for sightseeing.

What to pack for São Gonçalo do Amarante in May

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

In May, São Gonçalo do Amarante sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near São Gonçalo do Amarante in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 28 km away) is warmest in April at about 29°C and coldest in August near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov27Warm
Dec28Warm

UV index in São Gonçalo do Amarante in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (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 Gonçalo do Amarante peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is São Gonçalo do Amarante?

São Gonçalo do Amarante sits at 3.6°S, 39.0°W, 23 m above sea level, in Brazil. The nearest listed city is Paracuru, 23 km away.

Topography around São Gonçalo do Amarante

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

Within 3 km, the terrain around São Gonçalo do Amarante has only modest variations in elevation — a maximum elevation change of 35 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 130 m; within 80 km, large variations in elevation — a maximum elevation change of 1,081 m.

The land around São Gonçalo do Amarante is covered by trees (37%) and grassland (31%) within 3 km, trees (41%), grassland (25%) and shrubs (23%) within 16 km, and water (30%), shrubs (27%) and trees (22%) within 80 km.

3 km
35 m
16 km
130 m
80 km
1,081 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Paracuru 23 km · Paraipaba 27 km · Caucaia 38 km · Pentecoste 39 km · Umirim 43 km · Maranguape 44 km · Maracanaú 48 km · Fortaleza 49 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 Gonçalo do Amarante (-3.6072°, -38.9683°, elevation 23 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).