Cocos weather in May

In May, Cocos sees average daytime highs of 30°C and overnight lows near 20°C, with 8 mm of rain across 1.7 wet days and about 11.4 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 43% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 30 min at the start of May to 11 h 12 min by month's end. Set against the rest of the year, May is Cocos's 5th-clearest and 6th-windiest month. For the whole year in context, see Cocos's year-round climate.

Daytime high
30°
10th warmest
Overnight low
20°
4th coldest
Rainfall
8 mm
1.7 wet days
Daylight
11 h 18 min
6:14 AM – 5:35 PM
Cloud cover
48%
5th clearest
Wind
9 km/h
6th windiest
Solar energy
4.82 kWh/m²
Travel score
5.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical May day in Cocos reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
63020
73020
83020
93020
103020
113020
123020
133020
143020
153020
163020
173020
183020
193020
203020
213020
223020
233020
243019
253019
263019
273019
283019
293019
303019
313019

How May really feels in Cocos

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Cocos weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°13013.112.74.3
Feb31° / 21°9811.412.54.3
Mar31° / 21°12712.712.14.4
Apr31° / 21°536.811.75.1
May30° / 20°81.711.45.9
Jun29° / 18°20.311.26.8
Jul29° / 18°00.111.27.0
Aug31° / 18°10.211.56.1
Sep33° / 20°71.211.94.6
Oct33° / 22°616.612.33.7
Nov31° / 22°16515.212.73.8
Dec30° / 21°15215.512.84.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36436
46436
56337
66337
76238
86139
96139
106139
115941
125941
135941
145941
155941
165941
175941
186040
196040
206238
216238
226337
236436
246535
256634
266733
276931
286931
297030
307129
317228

Chance of precipitation in May

Any precipitation

Cocos gets around 8 mm of rain over 1.7 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 6% and peaks near 12% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
112
211
310
49
59
68
78
87
97
106
116
126
136
146
156
166
175
185
195
205
215
225
235
245
254
264
274
284
294
303
313

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121251341
221351331
321451321
431650311
531750301
631850291
731950280
832149260
932249260
1042349250
1142449240
1242448230
1342548220
1452648210
1552748200
1652847190
1752947190
1853047180
1953047170
2053147160
2163247150
2263348140
2363448130
2463548120
2563647110
2663747100
276384790
287394680
297404670
307414560
318424550

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 30 min at the start of May to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over May. Sunrise moves from 6:10 AM to 6:19 AM, and sunset from 5:40 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:105:40
211.56:115:40
311.56:115:39
411.56:115:39
511.56:115:39
611.46:115:38
711.46:125:38
811.46:125:37
911.46:125:37
1011.46:125:37
1111.46:135:36
1211.46:135:36
1311.46:135:36
1411.46:135:35
1511.46:145:35
1611.36:145:35
1711.36:145:34
1811.36:155:34
1911.36:155:34
2011.36:155:34
2111.36:165:34
2211.36:165:33
2311.36:165:33
2411.36:165:33
2511.36:175:33
2611.36:175:33
2711.36:175:33
2811.26:185:33
2911.26:185:33
3011.26:185:32
3111.26:195:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.82 kWh/m².

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 6.51 kWh/m² in October across the year — May's 4.82 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Cocos

In seasonPeak

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

Cocos's rainy season runs November–March, 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 Cocos?

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

5.9
Sightseeing
4th-best month of the year
8.2
Beach & pool
4th-best month of the year

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

What to pack for Cocos in May

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

In May, Cocos sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Cocos 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 Cocos peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jul 10UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Cocos?

Cocos sits at 14.2°S, 44.5°W, 553 m above sea level, in Brazil. The nearest listed city is Malhada, 84 km away.

Topography around Cocos

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

Within 3 km, the terrain around Cocos has only modest variations in elevation — a maximum elevation change of 110 m around an average of 581 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 255 m; within 80 km, significant variations in elevation — a maximum elevation change of 392 m.

The land around Cocos is covered by shrubs (39%) and grassland (28%) within 3 km, shrubs (60%) and grassland (20%) within 16 km, and shrubs (66%) within 80 km.

3 km
110 m
16 km
255 m
80 km
392 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Malhada 84 km · Carinhanha 84 km · Manga 91 km · Correntina 94 km · São Félix do Coribe 95 km · Santa Maria da Vitória 96 km · Itacarambi 113 km · Serra do Ramalho 125 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 Cocos (-14.1839°, -44.5344°, elevation 553 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).