Culiacán weather in May

In May, Culiacán sees average daytime highs of 34°C and overnight lows near 20°C, with 1 mm of rain across 0.4 wet days and about 13.2 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 77% of the time in May, and the air most often feels humid.

Daylight stretches from about 12 h 54 min at the start of May to 13 h 24 min by month's end. Set against the rest of the year, May is Culiacán's 1st-clearest and 2nd-windiest month. For the whole year in context, see Culiacán's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
20°
7th coldest
Rainfall
1 mm
0.4 wet days
Daylight
13 h 12 min
5:30 AM – 6:42 PM
Cloud cover
22%
1st clearest
Wind
8 km/h
2nd windiest
Solar energy
7.82 kWh/m²
Travel score
4.3
out of 10

Culiacán is capital of the State of Sinaloa, Mexico.

Density
12,437/km²
people per km²
Founded
1531

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 34°C through the month.

A typical May day in Culiacán reaches about 34°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, May runs about 2°C warmer than April and about 1°C cooler than June.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13318
23318
33318
43319
53319
63319
73319
83319
93319
103319
113319
123419
133420
143420
153420
163420
173420
183420
193420
203420
213421
223421
233421
243421
253421
263421
273421
283422
293422
303422
313422

How May really feels in Culiacán

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.

Culiacán weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 13°141.910.68.1
Feb28° / 14°151.811.17.6
Mar29° / 15°30.511.86.8
Apr31° / 17°20.212.65.5
May34° / 20°10.413.24.3
Jun35° / 24°192.913.53.3
Jul34° / 26°1341613.42.4
Aug33° / 26°17819.612.92.5
Sep33° / 25°17418.412.22.8
Oct33° / 22°434.611.44.2
Nov31° / 17°382.210.85.8
Dec28° / 14°171.910.57.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37921
47921
58020
68119
78218
88218
98218
108416
118416
128515
138515
148713
158713
168713
178812
188812
198911
208911
219010
229010
239010
24919
25919
26919
27919
28928
29928
30928
31928

Chance of precipitation in May

Any precipitation

Culiacán gets around 1 mm of rain over 0.4 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
92
102
112
122
132
142
152
162
172
182
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
163743131
263643131
363544141
463444152
553245152
653145162
753046172
852846183
942746203
1042646214
1142445234
1242245254
1332144265
1431944285
1531843306
1621643326
1721542347
1821342367
1921241388
2011039418
211938439
2218364410
2317354611
2416324713
2505314915
2605284918
2704264921
2804244924
2903214827
3003194830
3102174734

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 54 min at the start of May to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:39 AM to 5:25 AM, and sunset from 6:34 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:396:34
212.95:396:35
313.05:386:35
413.05:376:36
513.05:366:36
613.05:366:37
713.05:356:37
813.15:346:38
913.15:346:38
1013.15:336:39
1113.15:336:39
1213.15:326:40
1313.15:316:40
1413.25:316:41
1513.25:306:41
1613.25:306:42
1713.25:296:42
1813.25:296:43
1913.35:286:43
2013.35:286:44
2113.35:286:44
2213.35:276:45
2313.35:276:45
2413.35:266:46
2513.35:266:46
2613.45:266:47
2713.45:266:47
2813.45:256:48
2913.45:256:48
3013.45:256:49
3113.45:256:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.82 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 7.82 kWh/m² in May across the year — May's 7.82 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.7Intense
37.8Intense
47.8Intense
57.8Intense
67.8Intense
77.8Intense
87.8Intense
97.8Intense
107.8Intense
117.8Intense
127.8Intense
137.8Intense
147.8Intense
157.8Intense
167.8Intense
177.8Intense
187.8Intense
197.8Intense
207.8Intense
217.8Intense
227.8Intense
237.8Intense
247.8Intense
257.8Intense
267.8Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
317.6Intense
Planning a trip in May

Hazard calendar for Culiacán

In seasonPeak

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

Culiacán sits in the eastern Pacific hurricane zone; the season peaks August–September.

Culiacán's rainy season runs July–September, when most of the year's rain falls.

Pacific hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Culiacán?

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

4.3
Sightseeing
7th-best month of the year
8.0
Beach & pool
7th-best month of the year

May is a reasonable time to visit Culiacán for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Culiacán in May

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

In May, Culiacán sees daytime highs around 34°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Culiacán in May

The nearest coast averages about 25°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 52 km away) is warmest in August at about 30°C and coldest in February near 21°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar21Refreshing
Apr22Refreshing
May25Warm
Jun28Warm
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov26Warm
Dec23Refreshing

UV index in Culiacán 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 Culiacán peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 17UV 12Dec 20UV 5
UV index (midday)Level
Jan5High
Feb8Very high
Mar10Very high
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec5High

Air quality in Culiacán 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 Culiacán is worst in May — around 43 µg/m³ PM2.5 (poor), about 3.9× the cleanest month (January, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodMay 1740 µg/m³Jan 111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar13Moderate
Apr18Moderate
May43Poor
Jun23Moderate
Jul17Moderate
Aug12Good
Sep13Moderate
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Culiacán?

Culiacán sits at 24.8°N, 107.4°W, 47 m above sea level, in Mexico. The nearest listed city is Licenciado Benito Juárez, 22 km away.

Topography around Culiacán

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

Within 3 km, the terrain around Culiacán has only modest variations in elevation — a maximum elevation change of 122 m around an average of 60 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 554 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,603 m.

The land around Culiacán is covered by artificial surfaces (84%) within 3 km, trees (38%) and cropland (31%) within 16 km, and trees (47%) within 80 km.

3 km
122 m
16 km
554 m
80 km
2,603 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Licenciado Benito Juárez 22 km · Costa Rica 24 km · Navolato 31 km · Guamúchil 100 km · La Cruz 110 km · Guasave 138 km · Gabriel Leyva Solano 157 km · Juan José Ríos 179 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 Culiacán (24.8021°, -107.3942°, elevation 47 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).