Cusco weather in May

In May, Cusco sees average daytime highs of 14°C and overnight lows near 3°C, with 24 mm of rain across 8.1 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of May to 11 h 18 min by month's end. Set against the rest of the year, May is Cusco's 4th-clearest and 7th-windiest month. For the whole year in context, see Cusco's year-round climate.

Daytime high
14°
6th warmest
Overnight low
4th coldest
Rainfall
24 mm
8.1 wet days
Daylight
11 h 24 min
6:03 AM – 5:25 PM
Cloud cover
55%
4th clearest
Wind
3 km/h
7th windiest
Solar energy
4.83 kWh/m²
Travel score
4.5
out of 10

Cusco is historic city of Peru, capital of the Department of Cusco.

Density
1,113/km²
people per km²
Founded
1534

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 14°C through the month.

A typical May day in Cusco reaches about 14°C in the afternoon and slips back to 3°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 16°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1144
2144
3144
4144
5144
6144
7144
8144
9144
10144
11144
12144
13144
14144
15144
16143
17143
18143
19143
20143
21143
22143
23143
24143
25143
26143
27143
28143
29143
30143
31143

Cusco weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan14° / 22928.80.712.72.3
Feb14° / 21426.10.312.52.2
Mar14° / 17027.40.312.12.4
Apr14° / 7618.6011.73.2
May14° / 248.1011.44.5
Jun14° / 123.30.111.24.9
Jul14° / 113.10.111.35.0
Aug15° / 226.50.511.64.9
Sep15° / 3713.1011.94.3
Oct16° / 8420.30.112.33.5
Nov16° / 11622.80.312.63.1
Dec15° / 19727.50.512.82.5

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 27% of May, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34555
44654
54951
65050
75149
85248
95347
105446
115446
125446
135545
145545
155644
165644
175842
185842
195842
206040
216040
226040
236238
246238
256238
266436
276436
286535
296535
306634
316634

Chance of precipitation in May

Any precipitation

Cusco gets around 24 mm of rain over 8.1 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 26% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
241
340
439
538
637
735
834
933
1032
1131
1230
1329
1427
1526
1625
1725
1824
1923
2022
2121
2220
2319
2418
2517
2616
2716
2815
2914
3014
3113

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 3 km/h in May.

Across May, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 30 min at the start of May to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over May. Sunrise moves from 5:59 AM to 6:07 AM, and sunset from 5:31 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.55:595:31
211.56:005:30
311.56:005:30
411.56:005:29
511.56:005:29
611.56:005:29
711.56:015:28
811.56:015:28
911.46:015:28
1011.46:015:27
1111.46:025:27
1211.46:025:27
1311.46:025:26
1411.46:025:26
1511.46:035:26
1611.46:035:25
1711.46:035:25
1811.46:035:25
1911.46:045:25
2011.36:045:25
2111.36:045:24
2211.36:055:24
2311.36:055:24
2411.36:055:24
2511.36:055:24
2611.36:065:24
2711.36:065:24
2811.36:065:23
2911.36:075:23
3011.36:075:23
3111.36:075:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.59 kWh/m² to a high of 6.11 kWh/m² in October across the year — May's 4.83 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Cusco

In seasonPeak

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

Cusco's monsoon runs November–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 Cusco?

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

4.5
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

May is a reasonable time to visit Cusco for sightseeing.

What to pack for Cusco in May

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

In May, Cusco sees daytime highs around 14°C and nights near 3°C. Worth packing: a warm layer, rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

UV index in Cusco 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 Cusco peaks around February 10 at about 19 (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 10UV 19Jun 23UV 10
UV index (midday)Level
Jan19Extreme
Feb19Extreme
Mar17Extreme
Apr15Extreme
May12Extreme
Jun10Very high
Jul10Extreme
Aug13Extreme
Sep14Extreme
Oct16Extreme
Nov17Extreme
Dec16Extreme

Air quality in Cusco 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 Cusco is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (January, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1315 µg/m³Jan 116 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar8Good
Apr8Good
May8Good
Jun8Good
Jul8Good
Aug13Moderate
Sep16Moderate
Oct10Good
Nov8Good
Dec6Good
Location & terrain

Where is Cusco?

Cusco sits at 13.5°S, 72.0°W, 3,312 m above sea level, in Peru. The nearest listed city is Wanchaq, 1.0 km away.

Sicuani

Topography around Cusco

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

Within 3 km, the terrain around Cusco has significant variations in elevation — a maximum elevation change of 503 m around an average of 3,446 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,566 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,473 m.

The land around Cusco is covered by artificial surfaces (59%) and grassland (22%) within 3 km, grassland (74%) within 16 km, and grassland (77%) within 80 km.

3 km
503 m
16 km
1,566 m
80 km
5,473 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Wanchaq 1.0 km · Santiago 2.0 km · Aguas Calientes 73 km · Machu Picchu 73 km · Abancay 100 km · Quillabamba 108 km · Santa Ana 110 km · Sicuani 115 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 Cusco (-13.5319°, -71.967°, elevation 3,312 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).