Amarante do Maranhão weather in May

In May, Amarante do Maranhão sees average daytime highs of 31°C and overnight lows near 22°C, with 77 mm of rain across 11.6 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Amarante do Maranhão's 6th-clearest and 6th-windiest month. For the whole year in context, see Amarante do Maranhão's year-round climate.

Daytime high
31°
8th warmest
Overnight low
22°
4th coldest
Rainfall
77 mm
11.6 wet days
Daylight
11 h 42 min
6:11 AM – 5:56 PM
Cloud cover
63%
6th clearest
Wind
7 km/h
6th windiest
Solar energy
4.77 kWh/m²
Travel score
4.3
out of 10

Amarante do Maranhão 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 31°C through the month.

A typical May day in Amarante do Maranhão reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, May runs on par with April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313122

How May really feels in Amarante do Maranhão

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.

Amarante do Maranhão weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°21426.412.33.0
Feb30° / 22°2082412.23.0
Mar30° / 22°21527.2122.9
Apr30° / 22°15321.611.93.3
May31° / 22°7711.611.84.3
Jun32° / 21°8211.75.0
Jul33° / 21°50.911.74.8
Aug34° / 21°20.411.84.3
Sep34° / 22°112123.8
Oct33° / 23°386.112.13.6
Nov32° / 23°9113.712.33.5
Dec31° / 23°16020.212.33.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
23070
33070
43169
53268
63466
73565
83664
93862
104060
114258
124357
134456
144456
154654
164753
174852
184852
194951
205050
215248
225347
235545
245545
255743
265941
276139
286238
296436
306634
316733

Chance of precipitation in May

Any precipitation

Amarante do Maranhão gets around 77 mm of rain over 11.6 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 37% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
158
257
355
454
552
650
748
846
944
1042
1140
1238
1337
1436
1535
1634
1733
1832
1932
2031
2131
2230
2329
2429
2528
2627
2726
2825
2924
3022
3121

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101936
201945
301945
402944
502944
602944
703934
803943
903943
1004933
1104933
1204942
1305932
1405932
1506922
1606922
1707912
1808902
1909892
20010891
21011881
22012871
23014851
24015841
25017821
26019801
27021781
28023770
29025750
30128710
31131680

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 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 6:10 AM to 6:13 AM, and sunset from 5:58 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:105:58
211.86:105:58
311.86:105:58
411.86:105:58
511.86:105:57
611.86:105:57
711.86:105:57
811.86:105:57
911.86:105:57
1011.86:105:56
1111.86:105:56
1211.86:105:56
1311.86:105:56
1411.86:115:56
1511.86:115:56
1611.76:115:56
1711.76:115:56
1811.76:115:55
1911.76:115:55
2011.76:115:55
2111.76:115:55
2211.76:125:55
2311.76:125:55
2411.76:125:55
2511.76:125:55
2611.76:125:55
2711.76:125:55
2811.76:135:55
2911.76:135:55
3011.76:135:55
3111.76:135:55

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.77 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.33 kWh/m² in September across the year — May's 4.77 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Amarante do Maranhão

In seasonPeak

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

Amarante do Maranhão's monsoon runs December–April, 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 Amarante do Maranhão?

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

4.3
Sightseeing
3rd-best month of the year
6.4
Beach & pool
6th-best month of the year

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

What to pack for Amarante do Maranhão in May

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

In May, Amarante do Maranhão sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Amarante do Maranhão 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 Amarante do Maranhão peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 15Jul 12UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Amarante do Maranhão 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 Amarante do Maranhão is worst in October — around 41 µg/m³ PM2.5 (poor), about 6.5× the cleanest month (June, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateOct 1340 µg/m³Jun 166 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar12Good
Apr11Good
May9Good
Jun6Good
Jul9Good
Aug17Moderate
Sep37Poor
Oct41Poor
Nov29Moderate
Dec20Moderate
Location & terrain

Where is Amarante do Maranhão?

Amarante do Maranhão sits at 5.6°S, 46.7°W, 247 m above sea level, in Brazil. The nearest listed city is Sítio Novo, 35 km away.

Topography around Amarante do Maranhão

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

Within 3 km, the terrain around Amarante do Maranhão has only modest variations in elevation — a maximum elevation change of 87 m around an average of 252 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 185 m; within 80 km, significant variations in elevation — a maximum elevation change of 456 m.

The land around Amarante do Maranhão is covered by grassland (63%) and trees (28%) within 3 km, trees (50%) and grassland (47%) within 16 km, and trees (57%) and grassland (40%) within 80 km.

3 km
87 m
16 km
185 m
80 km
456 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Sítio Novo 35 km · Governador Edison Lobão 72 km · Grajaú 72 km · João Lisboa 74 km · Imperatriz 83 km · Açailândia 109 km · Arame 111 km · Porto Franco 112 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 Amarante do Maranhão (-5.5667°, -46.7422°, elevation 247 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).