Catamayo weather in May

In May, Catamayo sees average daytime highs of 21°C and overnight lows near 14°C, with 82 mm of rain across 16.3 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 8% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Catamayo's 5th-clearest and 5th-windiest month. For the whole year in context, see Catamayo's year-round climate.

Daytime high
21°
5th warmest
Overnight low
14°
7th coldest
Rainfall
82 mm
16.3 wet days
Daylight
11 h 48 min
6:19 AM – 6:08 PM
Cloud cover
69%
5th clearest
Wind
6 km/h
5th windiest
Solar energy
4.65 kWh/m²
Travel score
5.5
out of 10

Catamayo is city of Loja Province, Ecuador.

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 21°C through the month.

A typical May day in Catamayo reaches about 21°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12114
22114
32114
42114
52114
62114
72114
82114
92114
102114
112114
122114
132114
142114
152114
162114
172114
182114
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292114
302114
312114

Catamayo weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 14°16722.512.24.5
Feb21° / 14°19522.812.14.1
Mar21° / 14°20424.2124.1
Apr21° / 14°14820.911.94.6
May21° / 14°8216.311.85.5
Jun21° / 13°4911.711.86.1
Jul20° / 13°3710.111.86.4
Aug21° / 13°246.911.97.0
Sep22° / 14°368.4126.8
Oct22° / 14°8816.212.15.5
Nov22° / 14°13319.212.24.9
Dec21° / 14°14821.812.24.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% 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 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22872
32971
43070
53070
63268
73268
83268
93367
103367
113367
123367
133367
143367
153466
163367
173367
183367
193367
203367
213367
223367
233367
243466
253466
263466
273466
283466
293466
303664
313664

Chance of precipitation in May

Any precipitation

Catamayo gets around 82 mm of rain over 16.3 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 53% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
258
358
457
556
656
755
855
954
1054
1153
1253
1352
1452
1552
1651
1751
1851
1951
2051
2151
2251
2351
2451
2551
2651
2750
2850
2949
3048
3148

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
126731
226731
327721
428711
528711
629701
730700
830700
931690
1032680
1133670
1233670
1334660
1435650
1536640
1638620
1739610
1840600
1942580
2043570
2145550
2247530
2348520
2450500
2552480
2654460
2755450
2857430
2959410
3061390
3162380

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 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
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 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 6:19 AM to 6:21 AM, and sunset from 6:10 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:196:10
211.96:196:10
311.96:196:10
411.96:196:10
511.86:196:10
611.86:196:09
711.86:196:09
811.86:196:09
911.86:196:09
1011.86:196:09
1111.86:196:09
1211.86:196:09
1311.86:196:09
1411.86:196:08
1511.86:196:08
1611.86:196:08
1711.86:196:08
1811.86:196:08
1911.86:196:08
2011.86:196:08
2111.86:206:08
2211.86:206:08
2311.86:206:08
2411.86:206:08
2511.86:206:08
2611.86:206:08
2711.86:206:08
2811.86:216:08
2911.86:216:08
3011.86:216:08
3111.86:216:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.65 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 5.66 kWh/m² in September across the year — May's 4.65 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in May

Hazard calendar for Catamayo

In seasonPeak

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

Catamayo's rainy season runs November–April, when most of the year's rain falls.

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

Is May a good time to visit Catamayo?

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

5.5
Sightseeing
5th-best month of the year
3.5
Beach & pool
4th-best month of the year

May is a reasonable time to visit Catamayo for sightseeing.

What to pack for Catamayo in May

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

In May, Catamayo sees daytime highs around 21°C and nights near 14°C. Pack rain gear. Worth having: sun protection. About 16 days see rain.

rain gearsun protection

UV index in Catamayo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Catamayo peaks around February 17 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 17Jun 23UV 12
UV index (midday)Level
Jan17Extreme
Feb18Extreme
Mar17Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec14Extreme

Air quality in Catamayo 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 Catamayo is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1721 µg/m³Jul 1110 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun11Good
Jul10Good
Aug14Moderate
Sep19Moderate
Oct15Moderate
Nov21Moderate
Dec17Moderate
Location & terrain

Where is Catamayo?

Catamayo sits at 4.0°S, 79.4°W, 1,452 m above sea level, in Ecuador. The nearest listed city is Loja, 17 km away.

Topography around Catamayo

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

Within 3 km, the terrain around Catamayo has significant variations in elevation — a maximum elevation change of 567 m around an average of 1,336 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,111 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,846 m.

The land around Catamayo is covered by grassland (54%) within 3 km, grassland (59%) and trees (30%) within 16 km, and trees (61%) and grassland (37%) within 80 km.

3 km
567 m
16 km
2,111 m
80 km
3,846 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Loja 17 km · Vilcabamba 34 km · Cariamanga 44 km · Zamora 46 km · Piñas 50 km · Pasaje 89 km · Santa Rosa 89 km · Arenillas 92 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 2%

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 Catamayo (-3.9866°, -79.3576°, elevation 1,452 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).