Chiapas weather in May

In May, Chiapas sees average daytime highs of 30°C and overnight lows near 19°C, with 158 mm of rain across 18.7 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 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels muggy.

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 Chiapas's 7th-clearest and 8th-windiest month. For the whole year in context, see Chiapas's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
19°
12th coldest
Rainfall
158 mm
18.7 wet days
Daylight
12 h 48 min
5:45 AM – 6:32 PM
Cloud cover
61%
7th clearest
Wind
5 km/h
8th windiest
Solar energy
6.17 kWh/m²
Travel score
4.1
out of 10

Chiapas is municipal seat of Chiapa de Corzo, State of Chiapas, Mexico.

Founded
1528

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 29°C by the end.

A typical May day in Chiapas reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13119
23119
33119
43119
53119
63119
73119
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919
312919

Chiapas 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
Jan26° / 15°71.911.18.5
Feb28° / 15°51.411.47.9
Mar29° / 17°112.811.96.5
Apr31° / 18°337.312.45.1
May30° / 19°15818.712.84.1
Jun28° / 19°36926.9133.6
Jul28° / 18°2942612.93.9
Aug28° / 19°32626.712.63.9
Sep27° / 19°34127.812.13.7
Oct26° / 18°17218.111.65.2
Nov26° / 16°456.511.27.4
Dec26° / 15°132118.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
26832
36733
46634
56436
66337
76238
86040
95941
105743
115644
125545
135446
145248
155149
165050
174951
184852
194753
204555
214456
224357
234258
244159
253763
263664
273565
283466
293268
302971
312872

Chance of precipitation in May

Any precipitation

Chiapas gets around 158 mm of rain over 18.7 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 60% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
139
240
342
444
546
648
750
852
953
1055
1157
1258
1359
1461
1561
1662
1763
1863
1964
2064
2165
2266
2367
2468
2568
2670
2771
2872
2973
3074
3176

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 56% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13135529
23135331
32125234
42125036
52114839
61114741
71104544
81104346
9194248
10194050
11193951
12183853
13183754
14173656
15173557
16173557
17163459
18063361
19063361
20053263
21053164
22053164
23043066
24042868
25042769
26042670
27032473
28032374
29022276
30022078
31021979

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
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 5:51 AM to 5:42 AM, and sunset from 6:27 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:516:27
212.65:516:27
312.65:506:28
412.65:506:28
512.65:496:28
612.75:496:28
712.75:486:29
812.75:486:29
912.75:486:29
1012.75:476:30
1112.75:476:30
1212.75:466:30
1312.75:466:31
1412.85:466:31
1512.85:456:31
1612.85:456:32
1712.85:456:32
1812.85:446:32
1912.85:446:33
2012.85:446:33
2112.85:446:33
2212.85:436:34
2312.85:436:34
2412.95:436:34
2512.95:436:35
2612.95:436:35
2712.95:426:35
2812.95:426:36
2912.95:426:36
3012.95:426:37
3112.95:426:37

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.17 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.61 kWh/m² in April across the year — May's 6.17 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.2Intense
166.2Intense
176.2Intense
186.1Intense
196.1Intense
206.1Intense
216.0Intense
226.0Bright
235.9Bright
245.9Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Chiapas

In seasonPeak

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

Chiapas's monsoon runs June–October, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Chiapas?

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

4.1
Sightseeing
8th-best month of the year
5.6
Beach & pool
7th-best month of the year

May is a reasonable time to visit Chiapas for sightseeing.

What to pack for Chiapas in May

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

In May, Chiapas sees daytime highs around 30°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Chiapas 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 Chiapas peaks around April 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 highExtremeVery highApr 11UV 14Dec 18UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr14Extreme
May12Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Chiapas 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 Chiapas is worst in April — around 38 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (December, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2337 µg/m³Dec 1612 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb21Moderate
Mar27Moderate
Apr38Poor
May37Poor
Jun21Moderate
Jul24Moderate
Aug20Moderate
Sep19Moderate
Oct15Moderate
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Chiapas?

Chiapas sits at 16.7°N, 93.0°W, 429 m above sea level, in Mexico. The nearest listed city is Tuxtla, 12 km away.

Topography around Chiapas

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

Within 3 km, the terrain around Chiapas has only modest variations in elevation — a maximum elevation change of 219 m around an average of 430 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,373 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,824 m.

The land around Chiapas is covered by grassland (38%) and trees (22%) within 3 km, grassland (35%), trees (30%) and shrubs (21%) within 16 km, and trees (57%) and grassland (33%) within 80 km.

3 km
219 m
16 km
1,373 m
80 km
2,824 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Tuxtla 12 km · Suchiapa 13 km · Berriozábal 30 km · Ocozocoautla de Espinosa 39 km · San Cristóbal de las Casas 40 km · Villaflores 59 km · Teopisca 60 km · Venustiano Carranza 63 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Chiapas (16.7075°, -93.0122°, elevation 429 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).