Huancayo weather in May

In May, Huancayo sees average daytime highs of 12°C and overnight lows near 2°C, with 53 mm of rain across 15.8 wet days and about 11.5 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 12°C through the month. The sky is clear or mostly clear about 18% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of May to 11 h 18 min by month's end. Set against the rest of the year, May is Huancayo's 4th-clearest and 12th-windiest month. For the whole year in context, see Huancayo's year-round climate.

Daytime high
12°
8th warmest
Overnight low
5th coldest
Rainfall
53 mm
15.8 wet days
Daylight
11 h 24 min
6:14 AM – 5:40 PM
Cloud cover
61%
4th clearest
Wind
3 km/h
12th windiest
Solar energy
5.24 kWh/m²
Travel score
2.8
out of 10

Huancayo is capital city of Junín region, Peru.

Density
1,430/km²
people per km²
Founded
1572

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 12°C through the month.

A typical May day in Huancayo reaches about 12°C in the afternoon and slips back to 2°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 14°C. Set against its neighbours, May runs on par with April and on par with June.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1122
2122
3122
4122
5122
6122
7122
8122
9122
10122
11122
12122
13122
14122
15122
16122
17122
18122
19122
20122
21122
22122
23121
24121
25121
26121
27121
28121
29121
30121
31121

How May really feels in Huancayo

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Huancayo weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan13° / 24329.5112.61.8
Feb12° / 248270.912.41.7
Mar12° / 222300.512.11.7
Apr12° / 11324.90.111.72.0
May12° / 5315.8011.52.8
Jun12° / 247.40.211.33.2
Jul11° / -0°248.10.211.43.2
Aug12° / 4413.60.611.62.8
Sep12° / 9023.70.211.92.1
Oct12° / 14727.70.212.31.9
Nov13° / 15326.40.412.62.0
Dec13° / 21628.50.912.71.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23367
33466
43565
53664
63763
73862
83961
93961
104159
114159
124258
134258
144456
154555
164753
174852
184951
195050
205149
215248
225248
235347
245446
255545
265545
275545
285644
295644
305644
315644

Chance of precipitation in May

Any precipitation

Huancayo gets around 53 mm of rain over 15.8 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 51% and peaks near 68% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
168
267
366
465
564
663
762
861
960
1059
1158
1257
1356
1454
1553
1652
1750
1849
1947
2046
2145
2243
2342
2440
2539
2637
2736
2835
2934
3033
3133

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, the calmest month.

Across May, daily wind ranges from about 3 km/h on the calmest days to 3 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
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 36 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 18 minutes over May. Sunrise moves from 6:11 AM to 6:18 AM, and sunset from 5:45 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:115:45
211.66:115:45
311.66:115:45
411.56:115:44
511.56:115:44
611.56:125:43
711.56:125:43
811.56:125:43
911.56:125:42
1011.56:125:42
1111.56:135:42
1211.56:135:41
1311.56:135:41
1411.56:135:41
1511.56:135:41
1611.46:145:40
1711.46:145:40
1811.46:145:40
1911.46:145:40
2011.46:155:40
2111.46:155:40
2211.46:155:39
2311.46:165:39
2411.46:165:39
2511.46:165:39
2611.46:165:39
2711.46:175:39
2811.46:175:39
2911.46:175:39
3011.46:175:39
3111.36:185:39

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 5.08 kWh/m² to a high of 6.2 kWh/m² in November across the year — May's 5.24 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
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 Huancayo

In seasonPeak

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

Huancayo's rainy season runs October–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 Huancayo?

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

2.8
Sightseeing
3rd-best month of the year
Beach & pool
never really warm enough

May is a weaker month for outdoor sightseeing in Huancayo.

What to pack for Huancayo in May

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

In May, Huancayo sees daytime highs around 12°C and nights near 2°C. Pack a warm layer and rain gear. Worth having: sun protection. About 16 days see rain.

a warm layerrain gearsun protection

UV index in Huancayo 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 Huancayo peaks around February 11 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 11UV 19Jun 23UV 11
UV index (midday)Level
Jan19Extreme
Feb19Extreme
Mar17Extreme
Apr16Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug14Extreme
Sep15Extreme
Oct18Extreme
Nov17Extreme
Dec18Extreme

Air quality in Huancayo 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 Huancayo is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (January, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1018 µg/m³Jan 177 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar8Good
Apr8Good
May8Good
Jun8Good
Jul11Good
Aug17Moderate
Sep18Moderate
Oct11Good
Nov11Good
Dec8Good
Location & terrain

Where is Huancayo?

Huancayo sits at 12.1°S, 75.2°W, 3,596 m above sea level, in Peru. The nearest listed city is Chilca, 2.0 km away.

Junín

Topography around Huancayo

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

Within 3 km, the terrain around Huancayo has significant variations in elevation — a maximum elevation change of 321 m around an average of 3,259 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,552 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,579 m.

The land around Huancayo is covered by artificial surfaces (76%) within 3 km, grassland (54%) and cropland (28%) within 16 km, and grassland (80%) within 80 km.

3 km
321 m
16 km
1,552 m
80 km
4,579 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Chilca 2.0 km · Jauja 45 km · Huancavelica 84 km · Tarma 89 km · La Oroya 97 km · San Martín de Pangoa 106 km · Satipo 110 km · Junín 132 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 Huancayo (-12.0687°, -75.2103°, elevation 3,596 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).