Chicacao weather in May

In May, Chicacao sees average daytime highs of 28°C and overnight lows near 20°C, with 395 mm of rain across 29 wet days and about 12.7 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 6% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Chicacao's 7th-clearest and 9th-windiest month. For the whole year in context, see Chicacao's year-round climate.

Daytime high
28°
5th warmest
Overnight low
20°
12th coldest
Rainfall
395 mm
29 wet days
Daylight
12 h 42 min
5:41 AM – 6:22 PM
Cloud cover
78%
7th clearest
Wind
4 km/h
9th windiest
Solar energy
5.44 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 28°C through the month.

A typical May day in Chicacao reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12920
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182820
192820
202820
212820
222720
232720
242720
252720
262720
272720
282720
292720
302720
312720

Chicacao 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° / 18°20611.27.3
Feb29° / 18°165.111.56.5
Mar29° / 19°4910.311.95.5
Apr29° / 20°12819.412.34.4
May28° / 20°3952912.73.5
Jun27° / 20°43629.312.83.3
Jul27° / 20°37430.612.83.3
Aug27° / 20°44730.712.53.3
Sep27° / 20°52029.812.13.3
Oct27° / 20°50930.411.73.5
Nov27° / 19°1962311.34.7
Dec27° / 18°4411.511.26.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23862
33664
43565
53367
63268
73169
82971
92872
102773
112476
122377
132179
142080
151882
161783
171585
181486
191486
201387
211288
221288
231288
241288
251189
261090
271090
281090
29991
30892
31892

Chance of precipitation in May

Any precipitation

Chicacao gets around 395 mm of rain over 29 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 92% and peaks near 97% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
184
285
386
487
588
689
789
889
990
1090
1190
1290
1391
1491
1592
1692
1793
1894
1994
2095
2196
2296
2397
2497
2597
2697
2797
2897
2997
3097
3197

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1177913
2167914
3158014
4058015
5048016
6038116
7038017
8038017
9028018
10127918
11127819
12127819
13127720
14117820
15117721
16117622
17117622
18117523
19117523
20117424
21117424
22117424
23117424
24117424
25117523
26117523
27117523
28017722
29017722
30017821
31017821

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:47 AM to 5:39 AM, and sunset from 6:18 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:476:18
212.55:476:18
312.55:466:18
412.55:466:19
512.65:456:19
612.65:456:19
712.65:446:19
812.65:446:20
912.65:446:20
1012.65:436:20
1112.65:436:20
1212.65:436:21
1312.65:426:21
1412.75:426:21
1512.75:426:21
1612.75:416:22
1712.75:416:22
1812.75:416:22
1912.75:416:23
2012.75:406:23
2112.75:406:23
2212.75:406:24
2312.75:406:24
2412.75:406:24
2512.75:406:24
2612.85:396:25
2712.85:396:25
2812.85:396:25
2912.85:396:26
3012.85:396:26
3112.85:396:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.44 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 6.08 kWh/m² in April across the year — May's 5.44 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Chicacao

In seasonPeak

In May, Chicacao sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Chicacao sits in the Atlantic hurricane belt; the season peaks August–October.

Chicacao's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Chicacao?

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

3.5
Sightseeing
7th-best month of the year
3.9
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Chicacao.

What to pack for Chicacao in May

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

In May, Chicacao sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Chicacao in May

The nearest coast averages about 30°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 57 km away) is warmest in July at about 30°C and coldest in February near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Chicacao 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 Chicacao peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 13UV 13Dec 12UV 9
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Chicacao 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 Chicacao is worst in December — around 45 µg/m³ PM2.5 (poor), about 1.6× the cleanest month (June, 28 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorDec 2145 µg/m³Jun 2228 µg/m³
PM2.5 (µg/m³)Level
Jan44Poor
Feb45Poor
Mar41Poor
Apr44Poor
May40Poor
Jun28Moderate
Jul29Moderate
Aug29Moderate
Sep29Moderate
Oct30Moderate
Nov37Poor
Dec45Poor
Location & terrain

Where is Chicacao?

Chicacao sits at 14.5°N, 91.3°W, 511 m above sea level, in Guatemala. The nearest listed city is San Pablo Jocopilas, 14 km away.

PanajachelTiquisate

Topography around Chicacao

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

Within 3 km, the terrain around Chicacao has significant variations in elevation — a maximum elevation change of 448 m around an average of 521 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,427 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,937 m.

The land around Chicacao is covered by trees (93%) within 3 km, trees (84%) within 16 km, and trees (58%) within 80 km.

3 km
448 m
16 km
3,427 m
80 km
3,937 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: San Pablo Jocopilas 14 km · Santiago Atitlán 15 km · Santa Bárbara 16 km · Mazatenango 19 km · San Francisco Zapotitlán 22 km · Patulul 22 km · Panajachel 29 km · Tiquisate 29 km

Guatemala travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
23.4
per 100k, 2023
Road deaths
22.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 510
Religion
Evangelical 46%Roman Catholic 42%none 11%

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 Chicacao (14.5429°, -91.3264°, elevation 511 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).