Chulucanas weather in May

In May, Chulucanas sees average daytime highs of 30°C and overnight lows near 20°C, with 24 mm of rain across 6.2 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Chulucanas's 5th-clearest and 8th-windiest month. For the whole year in context, see Chulucanas's year-round climate.

Daytime high
30°
6th warmest
Overnight low
20°
8th coldest
Rainfall
24 mm
6.2 wet days
Daylight
11 h 48 min
6:24 AM – 6:10 PM
Cloud cover
58%
5th clearest
Wind
6 km/h
8th windiest
Solar energy
5.24 kWh/m²
Travel score
5.3
out of 10

Chulucanas is city in Morropón, Piura, Peru.

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 30°C through the month.

A typical May day in Chulucanas reaches about 30°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53120
63120
73120
83120
93120
103120
113120
123120
133120
143020
153020
163020
173020
183020
193020
203020
213020
223019
233019
243019
253019
263019
273019
283019
293019
303019
313019

How May really feels in Chulucanas

Once humidity and wind are folded in, May averages 2 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
2
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.

Chulucanas weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°10012.712.33.7
Feb31° / 22°20420.312.23.1
Mar31° / 22°31322.9123.0
Apr31° / 21°13415.211.93.8
May30° / 20°246.211.85.3
Jun29° / 18°51.611.76.9
Jul28° / 17°20.611.78.2
Aug27° / 17°20.611.88.3
Sep28° / 17°61.6127.4
Oct29° / 18°144.312.16.3
Nov29° / 18°255.912.25.7
Dec30° / 19°548.312.34.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24357
34357
44555
54654
64753
74852
84951
94852
104951
114951
125050
135050
144951
154951
164951
175050
184951
194852
204951
214951
224951
234951
245050
255149
265149
275347
285446
295446
305743
315842

Chance of precipitation in May

Any precipitation

Chulucanas gets around 24 mm of rain over 6.2 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 20% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
235
334
432
531
630
729
828
927
1025
1124
1223
1322
1421
1520
1619
1718
1817
1916
2016
2115
2214
2313
2413
2512
2611
2711
2810
2910
309
319

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1038539
2039529
3041518
4042508
5043498
6045487
7046477
8048466
9049456
10050446
11052435
12053425
13154414
14156394
15158383
16159373
17260362
18261352
19262342
20363331
21365311
22366301
23466291
24467281
25469270
26569260
27570250
28571240
29672220
30673210
31674200

Wind in May

Winds average 6 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
15calm
25calm
35calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:23 AM to 6:26 AM, and sunset from 6:13 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:236:13
211.86:236:12
311.86:236:12
411.86:236:12
511.86:236:12
611.86:236:11
711.86:236:11
811.86:236:11
911.86:236:11
1011.86:236:11
1111.86:236:11
1211.86:236:10
1311.86:246:10
1411.86:246:10
1511.86:246:10
1611.86:246:10
1711.86:246:10
1811.86:246:10
1911.86:246:10
2011.86:246:10
2111.86:246:10
2211.86:256:10
2311.76:256:10
2411.76:256:10
2511.76:256:10
2611.76:256:10
2711.76:256:10
2811.76:266:10
2911.76:266:10
3011.76:266:10
3111.76:266:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.24 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.34 kWh/m² in October across the year — May's 5.24 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for Chulucanas

In seasonPeak

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

Chulucanas's monsoon runs February–March, 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 Chulucanas?

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

5.3
Sightseeing
7th-best month of the year
7.3
Beach & pool
7th-best month of the year

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

What to pack for Chulucanas in May

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

In May, Chulucanas sees daytime highs around 30°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Chulucanas in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chulucanas peaks around February 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 16Jun 23UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May13Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Chulucanas 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 Chulucanas is worst in November — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateNov 1715 µg/m³Aug 167 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar13Moderate
Apr13Moderate
May12Good
Jun10Good
Jul8Good
Aug7Good
Sep8Good
Oct11Good
Nov15Moderate
Dec12Good
Location & terrain

Where is Chulucanas?

Chulucanas sits at 5.1°S, 80.2°W, 92 m above sea level, in Peru. The nearest listed city is Tambo Grande, 27 km away.

Topography around Chulucanas

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

Within 3 km, the terrain around Chulucanas has only modest variations in elevation — a maximum elevation change of 84 m around an average of 92 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,263 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,894 m.

The land around Chulucanas is covered by grassland (33%) and trees (31%) within 3 km, shrubs (44%) and grassland (30%) within 16 km, and shrubs (32%) and grassland (26%) within 80 km.

3 km
84 m
16 km
1,263 m
80 km
3,894 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Tambo Grande 27 km · Piura 56 km · San Martin 57 km · Querecotillo 61 km · Catacaos 61 km · Sullana 62 km · Marcavelica 65 km · La Unión 73 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 Chulucanas (-5.0925°, -80.1625°, elevation 92 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).