Sayaxché weather in May

In May, Sayaxché sees average daytime highs of 35°C and overnight lows near 24°C, with 151 mm of rain across 15.6 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 34°C by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Sayaxché's 6th-clearest and 4th-windiest month. For the whole year in context, see Sayaxché's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
24°
12th coldest
Rainfall
151 mm
15.6 wet days
Daylight
12 h 48 min
5:34 AM – 6:20 PM
Cloud cover
62%
6th clearest
Wind
7 km/h
4th windiest
Solar energy
6 kWh/m²
Travel score
2.0
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 36°C in the first days to 34°C by the end.

A typical May day in Sayaxché reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 39°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13624
23624
33624
43624
53624
63624
73624
83624
93624
103624
113624
123624
133624
143624
153524
163524
173524
183524
193524
203524
213524
223524
233524
243524
253524
263524
273424
283424
293424
303424
313424

How May really feels in Sayaxché

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
31 feel dangerously hot (≥ 39°C)
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.

Sayaxché weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°5210.511.16.4
Feb30° / 20°257.111.45.6
Mar33° / 21°366.911.94.1
Apr36° / 23°526.712.42.5
May35° / 24°15115.612.82.0
Jun33° / 24°29025.9132.2
Jul32° / 23°20825.312.92.6
Aug32° / 23°26026.812.62.4
Sep32° / 23°30228.212.12.3
Oct30° / 22°23623.311.63.3
Nov28° / 21°1051611.25.0
Dec28° / 19°6012.5116.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26139
36040
46040
55842
65842
75644
85644
95545
105446
115347
125248
135149
145050
154951
164852
174753
184654
194654
204555
214357
224258
234060
243961
253862
263763
273466
283268
293169
302971
312872

Chance of precipitation in May

Any precipitation

Sayaxché gets around 151 mm of rain over 15.6 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 52% and peaks near 77% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
131
232
333
435
536
637
738
840
941
1042
1144
1245
1347
1448
1550
1651
1753
1854
1955
2057
2158
2259
2361
2462
2564
2666
2768
2870
2973
3075
3177

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1336574
2335584
3235585
4234595
5233596
6232606
7230626
8229627
9228637
10228628
11227638
12226639
132256310
142246311
152236312
162216413
172206414
182196415
192186416
202176417
212166319
221156420
231146322
241136224
251126126
261115929
270105931
28095734
29075637
30065539
31055342

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 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 5:40 AM to 5:31 AM, and sunset from 6:16 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:406:16
212.65:406:16
312.65:396:16
412.65:396:16
512.65:386:17
612.75:386:17
712.75:376:17
812.75:376:18
912.75:366:18
1012.75:366:18
1112.75:366:18
1212.75:356:19
1312.75:356:19
1412.75:356:19
1512.85:346:20
1612.85:346:20
1712.85:346:20
1812.85:336:21
1912.85:336:21
2012.85:336:21
2112.85:336:22
2212.85:326:22
2312.85:326:22
2412.85:326:23
2512.95:326:23
2612.95:326:24
2712.95:316:24
2812.95:316:24
2912.95:316:25
3012.95:316:25
3112.95:316:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6 kWh/m².

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 6.22 kWh/m² in April across the year — May's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Intense
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Sayaxché

In seasonPeak

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

Sayaxché's rainy season runs May–October, 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 Sayaxché?

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

2.0
Sightseeing
12th-best month of the year
4.5
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Sayaxché.

What to pack for Sayaxché in May

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

In May, Sayaxché sees daytime highs around 35°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

UV index in Sayaxché 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 Sayaxché peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highApr 10UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May10Very high
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Sayaxché 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 Sayaxché is worst in April — around 43 µg/m³ PM2.5 (poor), about 6.4× the cleanest month (December, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodApr 2042 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar16Moderate
Apr43Poor
May36Poor
Jun25Moderate
Jul25Moderate
Aug18Moderate
Sep15Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Sayaxché?

Sayaxché sits at 16.5°N, 90.2°W, 0 m above sea level, in Guatemala. The nearest listed city is San Benito, 52 km away.

San BenitoFloresChisecPoptúnSan Pedro CarcháCobánMelchor de MencosSan Cristóbal Verapaz

Topography around Sayaxché

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

Within 3 km, the terrain around Sayaxché has only modest variations in elevation — a maximum elevation change of 65 m around an average of 124 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 139 m; within 80 km, large variations in elevation — a maximum elevation change of 783 m.

The land around Sayaxché is covered by grassland (49%) and trees (42%) within 3 km, grassland (57%) and trees (41%) within 16 km, and grassland (54%) and trees (43%) within 80 km.

3 km
65 m
16 km
139 m
80 km
783 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: San Benito 52 km · Flores 54 km · Chisec 80 km · Poptún 85 km · San Pedro Carchá 117 km · Cobán 119 km · Melchor de Mencos 126 km · San Cristóbal Verapaz 132 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 Sayaxché (16.5245°, -90.188°, 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. 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).