Ocosingo weather in May

In May, Ocosingo sees average daytime highs of 29°C and overnight lows near 18°C, with 158 mm of rain across 17.7 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 21% 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 Ocosingo's 6th-clearest and 7th-windiest month. For the whole year in context, see Ocosingo's year-round climate.

Daytime high
29°
1st warmest
Overnight low
18°
10th coldest
Rainfall
158 mm
17.7 wet days
Daylight
12 h 48 min
5:41 AM – 6:28 PM
Cloud cover
64%
6th clearest
Wind
5 km/h
7th windiest
Solar energy
6.16 kWh/m²
Travel score
4.7
out of 10

Ocosingo is municipal seat of Ocosingo, State of Chiapas, Mexico.

Founded
1564

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 29°C through the month.

A typical May day in Ocosingo reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12917
22917
32917
42917
52917
62917
72917
82917
92917
102917
112917
122917
132918
142918
152918
162918
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818
312818

Ocosingo weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 13°9712.711.16.5
Feb24° / 13°59911.47.2
Mar27° / 14°589.411.97.0
Apr29° / 16°8711.412.45.7
May29° / 18°15817.712.84.7
Jun27° / 18°28323.8134.2
Jul27° / 17°14919.912.94.9
Aug27° / 18°20324.212.64.3
Sep27° / 18°26626.912.13.8
Oct25° / 17°22422.111.64.7
Nov24° / 15°1461611.25.9
Dec23° / 14°9412.7116.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25644
35545
45446
55446
65347
75248
85149
94951
104951
114654
124654
134555
144456
154258
164258
174060
184060
193961
203862
213763
223664
233466
243466
253367
263169
273070
282872
292872
302773
312575

Chance of precipitation in May

Any precipitation

Ocosingo gets around 158 mm of rain over 17.7 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 58% 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 (%)
142
242
342
443
544
645
746
847
949
1050
1152
1253
1355
1456
1558
1659
1761
1862
1963
2064
2165
2266
2367
2467
2569
2670
2771
2872
2974
3075
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 52% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111252341
211252341
311251351
411151361
511150371
611050381
711050391
81949401
91949411
101948420
111847430
121846450
131845460
140744480
150743500
160642520
170541531
180540541
190439561
200438571
210337591
220336601
230235621
240234631
250233641
260131671
270130681
280128701
290127711
300025741
310024751

Wind in May

Winds average 5 km/h in May.

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
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:48 AM to 5:38 AM, and sunset from 6:24 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:486:24
212.65:476:24
312.65:466:24
412.65:466:24
512.75:456:25
612.75:456:25
712.75:456:25
812.75:446:26
912.75:446:26
1012.75:436:26
1112.75:436:27
1212.75:426:27
1312.85:426:27
1412.85:426:28
1512.85:416:28
1612.85:416:28
1712.85:416:29
1812.85:406:29
1912.85:406:29
2012.85:406:30
2112.85:406:30
2212.95:396:30
2312.95:396:31
2412.95:396:31
2512.95:396:31
2612.95:396:32
2712.95:386:32
2812.95:386:32
2912.95:386:33
3012.95:386:33
3112.95:386:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.16 kWh/m².

For context, solar energy here swings from a low near 4.07 kWh/m² to a high of 6.51 kWh/m² in April across the year — May's 6.16 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Bright
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

Is May a good time to visit Ocosingo?

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

4.7
Sightseeing
8th-best month of the year
5.6
Beach & pool
4th-best month of the year

May is a reasonable time to visit Ocosingo for sightseeing.

What to pack for Ocosingo in May

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

In May, Ocosingo sees daytime highs around 29°C and nights near 18°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Ocosingo 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 Ocosingo peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 12UV 14Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar13Extreme
Apr15Extreme
May10Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Ocosingo 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 Ocosingo is worst in April — around 80 µg/m³ PM2.5 (unhealthy), about 6.5× the cleanest month (December, 12 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 2379 µg/m³Dec 2212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb14Moderate
Mar20Moderate
Apr80Unhealthy
May77Unhealthy
Jun27Moderate
Jul26Moderate
Aug22Moderate
Sep21Moderate
Oct17Moderate
Nov15Moderate
Dec12Moderate
Location & terrain

Where is Ocosingo?

Ocosingo sits at 16.9°N, 92.1°W, 882 m above sea level, in Mexico. The nearest listed city is Yajalón, 39 km away.

Topography around Ocosingo

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

Within 3 km, the terrain around Ocosingo has significant variations in elevation — a maximum elevation change of 481 m around an average of 926 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,333 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,870 m.

The land around Ocosingo is covered by trees (39%), grassland (36%) and artificial surfaces (25%) within 3 km, trees (82%) within 16 km, and trees (77%) and grassland (20%) within 80 km.

3 km
481 m
16 km
1,333 m
80 km
2,870 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Yajalón 39 km · Teopisca 57 km · San Cristóbal de las Casas 61 km · Las Rosas 67 km · Las Margaritas 67 km · Palenque 68 km · Comitán 74 km · Venustiano Carranza 81 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 Ocosingo (16.9063°, -92.0935°, elevation 882 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).