Puerto Ayora weather in May

In May, Puerto Ayora sees average daytime highs of 28°C and overnight lows near 23°C, with 34 mm of rain across 9.6 wet days and about 12 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 9% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of May to 12 hours by month's end. Set against the rest of the year, May is Puerto Ayora's 6th-clearest and 8th-windiest month. For the whole year in context, see Puerto Ayora's year-round climate.

Daytime high
28°
5th warmest
Overnight low
23°
9th coldest
Rainfall
34 mm
9.6 wet days
Daylight
12 hours
5:59 AM – 5:56 PM
Cloud cover
69%
6th clearest
Wind
14 km/h
8th windiest
Solar energy
5.99 kWh/m²
Travel score
6.0
out of 10

Puerto Ayora is city of Galágagos islands, Ecuador.

Density
3,847/km²
people per km²
Founded
1926

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 28°C through the month.

A typical May day in Puerto Ayora reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102823
112823
122823
132823
142823
152823
162823
172823
182823
192823
202823
212823
222823
232823
242823
252823
262823
272823
282823
292823
302723
312723

How May really feels in Puerto Ayora

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.

Puerto Ayora weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°5311.6125.7
Feb29° / 24°11114.7124.7
Mar30° / 25°9513.8124.8
Apr29° / 24°10913.5125.0
May28° / 23°349.6126.0
Jun27° / 22°154.3127.1
Jul26° / 21°51.8127.6
Aug25° / 20°30.8127.9
Sep25° / 20°10.3127.9
Oct25° / 20°20.9128.0
Nov26° / 21°51.4127.8
Dec27° / 22°305.1127.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33466
43367
53169
63169
72872
82872
92773
102674
112575
122575
132476
142476
152476
162575
172476
182476
192476
202575
212674
222674
232773
242773
252872
262872
272872
282872
292872
302872
312872

Chance of precipitation in May

Any precipitation

Puerto Ayora gets around 34 mm of rain over 9.6 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 31% and peaks near 45% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
444
544
643
743
842
941
1040
1138
1237
1336
1434
1533
1631
1729
1827
1926
2024
2123
2222
2320
2420
2519
2618
2718
2817
2916
3016
3116

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1041563
2042553
3042562
4043552
5043552
6044542
7044542
8045532
9046522
10047512
11049492
12051472
13053452
14054442
15155422
16157402
17160381
18261361
19263341
20365311
21367291
22468271
23470251
24572230
25573220
26674200
27675190
28775180
29875170
30876160
31975160

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
111calm
212calm
312calm
412calm
512calm
612light breeze
712light breeze
812light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 hours at the start of May to 12 hours 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 5:58 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:595:58
212.05:595:58
312.05:595:57
412.05:595:57
512.05:595:57
612.05:595:57
712.05:595:57
812.05:595:57
912.05:595:57
1012.05:595:57
1112.05:595:57
1212.05:585:57
1312.05:585:57
1412.05:585:57
1512.05:585:57
1612.05:595:56
1712.05:595:56
1812.05:595:57
1912.05:595:57
2012.05:595:57
2112.05:595:57
2212.05:595:57
2312.05:595:57
2412.05:595:57
2512.05:595:57
2612.05:595:57
2712.05:595:57
2812.05:595:57
2912.06:005:57
3012.06:005:57
3112.06:005:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.99 kWh/m².

For context, solar energy here swings from a low near 5.4 kWh/m² to a high of 6.88 kWh/m² in March across the year — May's 5.99 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Is May a good time to visit Puerto Ayora?

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

6.0
Sightseeing
8th-best month of the year
6.7
Beach & pool
8th-best month of the year

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

What to pack for Puerto Ayora in May

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

In May, Puerto Ayora sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Puerto Ayora in May

The nearest coast averages about 25°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 15 km away) is warmest in March at about 27°C and coldest in August near 22°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb27Warm
Mar27Warm
Apr26Warm
May25Warm
Jun24Refreshing
Jul23Refreshing
Aug22Refreshing
Sep22Refreshing
Oct22Refreshing
Nov23Refreshing
Dec23Refreshing

UV index in Puerto Ayora 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 Puerto Ayora peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jul 11UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Puerto Ayora?

Puerto Ayora sits at 0.7°S, 90.3°W, 0 m above sea level, in Ecuador. The nearest listed city is Salinas, 1,053 km away.

SalinasLa LibertadPuerto LópezSanta ElenaMantaMontecristiJipijapaTalara

Topography around Puerto Ayora

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

Within 3 km, the terrain around Puerto Ayora has only modest variations in elevation — a maximum elevation change of 129 m around an average of 35 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 856 m; within 80 km, large variations in elevation — a maximum elevation change of 897 m.

The land around Puerto Ayora is covered by trees (55%) and water (20%) within 3 km, water (49%) and trees (35%) within 16 km, and water (86%) within 80 km.

3 km
129 m
16 km
856 m
80 km
897 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
May weather nearby: Salinas 1,053 km · La Libertad 1,058 km · Puerto López 1,061 km · Santa Elena 1,064 km · Manta 1,066 km · Montecristi 1,074 km · Jipijapa 1,084 km · Talara 1,091 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 2%

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 Puerto Ayora (-0.7402°, -90.3138°, elevation 0 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).