Apicum-Açu weather in May

In May, Apicum-Açu sees average daytime highs of 29°C and overnight lows near 25°C, with 256 mm of rain across 27.4 wet days and about 11.9 hours of daylight. It is the 4th-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 20% of the time in May, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Apicum-Açu's 8th-clearest and 10th-windiest month. For the whole year in context, see Apicum-Açu's year-round climate.

Daytime high
29°
4th warmest
Overnight low
25°
7th coldest
Rainfall
256 mm
27.4 wet days
Daylight
11 h 54 min
5:59 AM – 5:54 PM
Cloud cover
70%
8th clearest
Wind
13 km/h
10th windiest
Solar energy
4.54 kWh/m²
Travel score
3.5
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 Apicum-Açu reaches about 29°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, May runs on par with April and on par with June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82825
92825
102825
112825
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 Apicum-Açu

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.

Apicum-Açu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°19625.512.13.7
Feb28° / 25°29726.4123.4
Mar28° / 25°39830.3123.3
Apr28° / 25°39928.9123.2
May29° / 25°25627.411.93.5
Jun29° / 25°11622.211.94.3
Jul28° / 25°721911.95.0
Aug28° / 26°3312.4125.9
Sep28° / 26°186.4126.6
Oct29° / 26°155.2126.5
Nov29° / 26°205.712.16.2
Dec29° / 26°6515.512.14.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12080
22179
32179
42278
52476
62476
72575
82674
92773
102872
113070
123070
133268
143367
153466
163565
173763
183763
194060
204060
214258
224357
234357
244654
254654
264852
274951
285050
295248
305347
315545

Chance of precipitation in May

Any precipitation

Apicum-Açu gets around 256 mm of rain over 27.4 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 88% and peaks near 95% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
494
594
694
793
893
992
1092
1191
1291
1390
1490
1589
1688
1788
1887
1987
2086
2185
2285
2384
2484
2583
2683
2782
2881
2981
3080
3180

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11783
21783
31684
41684
51585
61585
71486
81486
91387
101288
111288
121189
131189
141189
151189
161090
171189
181189
191189
201189
211189
221189
231288
241288
251288
261387
271486
281486
291585
301585
311684

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

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

Days grow by about 0 minutes over May. Sunrise moves from 5:59 AM to 6:00 AM, and sunset from 5:56 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:595:56
211.95:595:56
311.95:595:56
411.95:595:55
511.95:595:55
611.95:595:55
711.95:595:55
811.95:595:55
911.95:595:55
1011.95:595:55
1111.95:595:55
1211.95:595:55
1311.95:595:55
1411.95:595:55
1511.95:595:55
1611.95:595:54
1711.95:595:54
1811.95:595:54
1911.95:595:54
2011.95:595:54
2111.95:595:55
2211.95:595:55
2311.95:595:55
2411.95:595:55
2511.95:595:55
2611.95:595:55
2711.96:005:55
2811.96:005:55
2911.96:005:55
3011.96:005:55
3111.96:005:55

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.54 kWh/m².

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 6.21 kWh/m² in October across the year — May's 4.54 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Apicum-Açu

In seasonPeak

In May, Apicum-Açu sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Apicum-Açu's monsoon runs January–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 Apicum-Açu?

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

3.5
Sightseeing
9th-best month of the year
4.2
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Apicum-Açu.

What to pack for Apicum-Açu in May

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

In May, Apicum-Açu sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Apicum-Açu 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 18 km away) is warmest in May at about 29°C and coldest in September near 28°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
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Warm
Oct28Warm
Nov28Tropical
Dec28Tropical

UV index in Apicum-Açu in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks 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 Apicum-Açu peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 19 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 19UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Apicum-Açu 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 Apicum-Açu is worst in February — around 20 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (July, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 2020 µg/m³Jul 126 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar19Moderate
Apr13Moderate
May8Good
Jun7Good
Jul6Good
Aug8Good
Sep9Good
Oct10Good
Nov10Good
Dec12Good
Location & terrain

Where is Apicum-Açu?

Apicum-Açu sits at 1.5°S, 45.1°W, 1 m above sea level, in Brazil. The nearest listed city is Bacuri, 23 km away.

Topography around Apicum-Açu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Apicum-Açu.

Within 3 km, the terrain around Apicum-Açu has only modest variations in elevation — a maximum elevation change of 26 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, only modest variations in elevation — a maximum elevation change of 122 m.

The land around Apicum-Açu is covered by mangroves (35%), trees (31%) and grassland (26%) within 3 km, water (36%), mangroves (30%) and trees (26%) within 16 km, and water (44%) and trees (35%) within 80 km.

3 km
26 m
16 km
52 m
80 km
122 m
treesgrasslandartificial surfaceswaterwetlandmangroves
May weather nearby: Bacuri 23 km · Turiaçu 36 km · Cururupu 41 km · Cândido Mendes 73 km · Turilândia 81 km · Santa Helena 82 km · Bequimão 108 km · Pinheiro 110 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 Apicum-Açu (-1.5282°, -45.0786°, elevation 1 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. 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).