Arriaga weather in May

In May, Arriaga sees average daytime highs of 31°C and overnight lows near 24°C, with 108 mm of rain across 17.4 wet days and about 12.7 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 35% 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 Arriaga's 7th-clearest and 8th-windiest month. For the whole year in context, see Arriaga's year-round climate.

Daytime high
31°
1st warmest
Overnight low
24°
10th coldest
Rainfall
108 mm
17.4 wet days
Daylight
12 h 48 min
5:49 AM – 6:35 PM
Cloud cover
55%
7th clearest
Wind
7 km/h
8th windiest
Solar energy
6.27 kWh/m²
Travel score
4.0
out of 10

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

Founded
1910

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 31°C through the month.

A typical May day in Arriaga reaches about 31°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223024
233024
243024
253024
263024
273024
283024
293024
303024
313024

How May really feels in Arriaga

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
heat index over the day's high
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.

Arriaga weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°20.511.18.3
Feb29° / 21°20.711.57.5
Mar30° / 22°71.811.96.7
Apr31° / 24°205.412.45.5
May31° / 24°10817.412.74.0
Jun30° / 24°28025.112.93.1
Jul31° / 24°19223.312.93.3
Aug30° / 24°24424.712.53.1
Sep30° / 24°3012512.13.3
Oct29° / 24°14913.911.64.8
Nov29° / 23°302.811.26.8
Dec28° / 21°20.711.17.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27426
37327
47129
57129
66931
76832
86733
96535
106436
116337
126238
136040
146040
155842
165743
175644
185446
195347
205149
215050
224852
234852
244555
254456
264258
274060
283862
293664
303565
313367

Chance of precipitation in May

Any precipitation

Arriaga gets around 108 mm of rain over 17.4 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 56% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
133
235
336
438
539
641
742
844
945
1047
1148
1250
1351
1453
1554
1655
1757
1858
1959
2061
2163
2264
2366
2468
2570
2671
2773
2875
2976
3078
3179

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1321724
2320725
3319735
4318736
5317746
6317746
7316756
8316747
9315757
10315757
11315757
12315757
13315748
14315748
15315748
16314758
17314758
18314749
19314749
20213769
21213769
22212779
23212779
24211789
25110809
2619819
2718829
2817848
2916858
3005878
3105878

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:56 AM to 5:46 AM, and sunset from 6:30 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:566:30
212.65:556:30
312.65:546:31
412.65:546:31
512.65:546:31
612.65:536:31
712.75:536:32
812.75:526:32
912.75:526:32
1012.75:516:33
1112.75:516:33
1212.75:516:33
1312.75:506:34
1412.75:506:34
1512.75:506:34
1612.85:496:35
1712.85:496:35
1812.85:496:35
1912.85:486:35
2012.85:486:36
2112.85:486:36
2212.85:486:37
2312.85:476:37
2412.85:476:37
2512.85:476:38
2612.85:476:38
2712.95:476:38
2812.95:476:39
2912.95:476:39
3012.95:466:39
3112.95:466:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.27 kWh/m².

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 6.85 kWh/m² in April across the year — May's 6.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.4Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.0Intense
246.0Bright
255.9Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Arriaga

In seasonPeak

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

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

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

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

Is May a good time to visit Arriaga?

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

4.0
Sightseeing
8th-best month of the year
5.7
Beach & pool
8th-best month of the year

May is a reasonable time to visit Arriaga for sightseeing.

What to pack for Arriaga in May

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

In May, Arriaga sees daytime highs around 31°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Arriaga 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 27 km away) is warmest in August at about 30°C and coldest in February near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar28Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Arriaga 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 Arriaga peaks around April 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 12UV 13Dec 19UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Arriaga 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 Arriaga is worst in May — around 40 µg/m³ PM2.5 (poor), about 3.5× the cleanest month (January, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodMay 1039 µg/m³Jan 1111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar19Moderate
Apr38Poor
May40Poor
Jun21Moderate
Jul27Moderate
Aug22Moderate
Sep19Moderate
Oct14Moderate
Nov12Moderate
Dec12Good
Location & terrain

Where is Arriaga?

Arriaga sits at 16.2°N, 93.9°W, 63 m above sea level, in Mexico. The nearest listed city is Tonalá, 22 km away.

Topography around Arriaga

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

Within 3 km, the terrain around Arriaga has significant variations in elevation — a maximum elevation change of 407 m around an average of 96 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,595 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,438 m.

The land around Arriaga is covered by trees (43%) and grassland (37%) within 3 km, trees (58%) and grassland (37%) within 16 km, and trees (45%), water (26%) and grassland (23%) within 80 km.

3 km
407 m
16 km
1,595 m
80 km
2,438 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Tonalá 22 km · Cintalapa de Figueroa 53 km · Villaflores 67 km · Ocozocoautla de Espinosa 81 km · Berriozábal 92 km · Suchiapa 96 km · Pijijiapan 96 km · Tuxtla 102 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 Arriaga (16.2356°, -93.8997°, elevation 63 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).