Panajachel weather in May

In May, Panajachel sees average daytime highs of 22°C and overnight lows near 14°C, with 365 mm of rain across 25.7 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 5% of the time in May, and the air most often feels comfortable.

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 Panajachel's 9th-clearest and 12th-windiest month. For the whole year in context, see Panajachel's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
14°
11th coldest
Rainfall
365 mm
25.7 wet days
Daylight
12 h 42 min
5:40 AM – 6:21 PM
Cloud cover
82%
9th clearest
Wind
4 km/h
12th windiest
Solar energy
5.5 kWh/m²
Travel score
4.1
out of 10

Panajachel is town in Guatemala.

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 22°C through the month.

A typical May day in Panajachel reaches about 22°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 23°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72214
82214
92214
102214
112214
122214
132214
142214
152214
162214
172215
182215
192215
202115
212115
222115
232115
242115
252115
262115
272115
282115
292115
302115
312115

Panajachel weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 12°133.311.27.8
Feb22° / 12°214.911.57.7
Mar22° / 13°6411.811.96.7
Apr22° / 14°15618.112.35.3
May22° / 14°36525.712.74.1
Jun21° / 15°37625.912.93.9
Jul21° / 14°20519.512.84.8
Aug21° / 14°2642212.54.5
Sep21° / 14°38927.412.13.6
Oct21° / 14°27423.311.74.3
Nov21° / 13°6110.211.36.4
Dec20° / 12°214.511.17.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 86%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32476
42476
52278
62278
72179
82080
91981
101981
111783
121783
131585
141585
151387
161288
171288
181288
191189
201090
211090
22991
23991
24991
25991
26892
27892
28892
29793
30793
31694

Chance of precipitation in May

Any precipitation

Panajachel gets around 365 mm of rain over 25.7 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 83% and peaks near 92% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
172
272
373
473
574
675
775
876
977
1077
1178
1279
1380
1481
1583
1684
1785
1886
1987
2087
2188
2289
2389
2489
2590
2690
2791
2891
2991
3092
3192

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1256114
2246115
3236215
4226216
5216316
6206416
7196417
8186517
9186418
10176518
11166519
12166420
13156421
14146422
15136522
16136423
17126523
18116524
19116524
20106624
21106624
22106624
2396724
2496724
2586824
2686824
2776924
2876924
2967024
3066925
3157025

Wind in May

Winds average 4 km/h in May, the calmest month.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
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 5:46 AM to 5:38 AM, and sunset from 6:17 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:466:17
212.55:466:18
312.55:456:18
412.65:456:18
512.65:446:18
612.65:446:19
712.65:446:19
812.65:436:19
912.65:436:19
1012.65:426:20
1112.65:426:20
1212.65:426:20
1312.75:416:20
1412.75:416:21
1512.75:416:21
1612.75:406:21
1712.75:406:22
1812.75:406:22
1912.75:406:22
2012.75:396:23
2112.75:396:23
2212.75:396:23
2312.75:396:23
2412.85:396:24
2512.85:396:24
2612.85:386:24
2712.85:386:25
2812.85:386:25
2912.85:386:25
3012.85:386:26
3112.85:386:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.25 kWh/m² in April across the year — May's 5.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Panajachel

In seasonPeak

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

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

Panajachel'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 Panajachel?

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

4.1
Sightseeing
10th-best month of the year
2.7
Beach & pool
9th-best month of the year

May is a reasonable time to visit Panajachel for sightseeing.

What to pack for Panajachel in May

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

In May, Panajachel sees daytime highs around 22°C and nights near 14°C. Pack rain gear. Worth having: sun protection. About 26 days see rain.

rain gearsun protection

UV index in Panajachel in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Panajachel peaks around April 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 14UV 15Dec 14UV 10
UV index (midday)Level
Jan10Extreme
Feb14Extreme
Mar14Extreme
Apr15Extreme
May13Extreme
Jun13Extreme
Jul14Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec10Very high

Air quality in Panajachel 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 Panajachel is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 934 µg/m³Aug 1622 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb22Moderate
Mar25Moderate
Apr34Moderate
May34Moderate
Jun23Moderate
Jul23Moderate
Aug22Moderate
Sep23Moderate
Oct23Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Panajachel?

Panajachel sits at 14.7°N, 91.2°W, 0 m above sea level, in Guatemala. The nearest listed city is Sololá, 4.0 km away.

PatzicíaChicacao

Topography around Panajachel

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

Within 3 km, the terrain around Panajachel has large variations in elevation — a maximum elevation change of 694 m around an average of 1,737 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,121 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,932 m.

The land around Panajachel is covered by trees (44%) and water (36%) within 3 km, trees (64%) within 16 km, and trees (69%) within 80 km.

3 km
694 m
16 km
2,121 m
80 km
3,932 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Sololá 4.0 km · Santiago Atitlán 14 km · Patzún 17 km · Tecpán Guatemala 18 km · Nahualá 21 km · Chichicastenango 23 km · Patzicía 28 km · Chicacao 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 Panajachel (14.7418°, -91.1568°, 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).