Callao weather in June

In June, Callao sees average daytime highs of 18°C and overnight lows near 17°C, with 5 mm of rain across 1.1 wet days and about 11.3 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 4% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 11 h 18 min at the start of June to 11 h 18 min by month's end. Set against the rest of the year, June is Callao's 8th-clearest and 4th-windiest month. For the whole year in context, see Callao's year-round climate.

Daytime high
18°
8th warmest
Overnight low
17°
5th coldest
Rainfall
5 mm
1.1 wet days
Daylight
11 h 18 min
6:30 AM – 5:48 PM
Cloud cover
75%
8th clearest
Wind
20 km/h
4th windiest
Solar energy
4.37 kWh/m²
Travel score
6.5
out of 10

Callao is city and main seaport of Peru.

Air quality
High
PM2.5 25.5 µg/m³ · 2016
Density
8,343/km²
people per km²
Founded
1537

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical June day in Callao reaches about 18°C in the afternoon and slips back to 17°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 19°C. Set against its neighbours, June runs about 1°C cooler than May and about 1°C warmer than July.

10°13°15°18°20°151015202530
Avg high (°C)Avg low (°C)
11817
21817
31817
41817
51817
61817
71817
81817
91817
101817
111817
121817
131817
141817
151817
161817
171817
181817
191817
201717
211717
221717
231717
241716
251716
261716
271716
281716
291716
301716

Callao weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 20°51.512.67.4
Feb23° / 21°8212.47.4
Mar22° / 21°61.712.17.4
Apr20° / 19°20.211.77.4
May19° / 18°20.211.57.1
Jun18° / 17°51.111.36.5
Jul17° / 16°51.211.46.1
Aug16° / 15°51.211.66.0
Sep16° / 15°40.511.96.0
Oct17° / 16°30.312.36.2
Nov18° / 17°20.112.66.9
Dec20° / 19°30.612.77.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 16% of June, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22377
32377
42377
52377
62377
72377
82278
92278
102278
112278
122278
132179
142179
152179
162080
172080
181981
191882
201882
211882
221981
232080
242080
252080
262080
271981
281981
291981
301981

Chance of precipitation in June

Any precipitation

Callao gets around 5 mm of rain over 1.1 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
63
73
83
93
103
113
123
133
143
153
164
174
184
194
204
214
224
234
244
255
265
275
285
295
305

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the comfortable band about 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
145523
246513
347493
448483
549473
651463
752453
853443
954433
1056413
1157403
1259383
1360373
1461363
1563343
1664333
1765323
1867303
1968293
2069283
2170273
2271263
2371263
2472253
2573243
2674233
2775223
2877212
2978202
3079192

Wind in June

Winds average 20 km/h in June.

Across June, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720breezy
2820breezy
2920breezy
3020breezy

Sunrise & sunset in June

DaylightNight

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

Days grow by about 0 minutes over June. Sunrise moves from 6:26 AM to 6:33 AM, and sunset from 5:46 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:265:46
211.36:265:46
311.36:265:46
411.36:275:46
511.36:275:47
611.36:275:47
711.36:275:47
811.36:285:47
911.36:285:47
1011.36:285:47
1111.36:295:47
1211.36:295:47
1311.36:295:47
1411.36:295:47
1511.36:305:48
1611.36:305:48
1711.36:305:48
1811.36:305:48
1911.36:315:48
2011.36:315:48
2111.36:315:49
2211.36:315:49
2311.36:315:49
2411.36:325:49
2511.36:325:49
2611.36:325:50
2711.36:325:50
2811.36:325:50
2911.36:335:50
3011.36:335:51

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.37 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 6.75 kWh/m² in November across the year — June's 4.37 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in June

Is June a good time to visit Callao?

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

6.5
Sightseeing
8th-best month of the year
1.9
Beach & pool
8th-best month of the year

June is a reasonable time to visit Callao for sightseeing.

What to pack for Callao in June

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

In June, Callao sees daytime highs around 18°C and nights near 17°C. Little to plan around — just the basics.

Sea temperature near Callao in June

The nearest coast averages about 18°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in February at about 22°C and coldest in September near 17°C.

It's comfortable for a long swim from Jan 1 to Apr 9 — about 3.3 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb22Refreshing
Mar21Refreshing
Apr20Cool
May19Cool
Jun18Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct17Cool
Nov18Cool
Dec19Cool

UV index in Callao in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Callao peaks around February 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 12UV 15Jun 22UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar13Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Extreme
Sep10Extreme
Oct13Extreme
Nov12Extreme
Dec13Extreme

Air quality in Callao in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Callao is worst in March — around 30 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Callao's WHO annual average of 25.5 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2030 µg/m³Nov 2022 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb27Moderate
Mar30Moderate
Apr28Moderate
May29Moderate
Jun28Moderate
Jul26Moderate
Aug25Moderate
Sep23Moderate
Oct23Moderate
Nov22Moderate
Dec22Moderate
Location & terrain

Where is Callao?

Callao sits at 12.1°S, 77.1°W, 5 m above sea level, in Peru. The nearest listed city is Carmen De La Legua Reynoso, 4.0 km away.

Topography around Callao

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

Within 3 km, the terrain around Callao has only modest variations in elevation — a maximum elevation change of 43 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 737 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,870 m.

The land around Callao is covered by artificial surfaces (54%) and water (33%) within 3 km, water (60%) and artificial surfaces (30%) within 16 km, and water (50%) and bare terrain (29%) within 80 km.

3 km
43 m
16 km
737 m
80 km
4,870 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Carmen De La Legua Reynoso 4.0 km · Breña 9.0 km · Jesus Maria 10 km · San Isidro 11 km · Lima 12 km · Miraflores 13 km · San Francisco De Borja 15 km · Barranco 16 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 Callao (-12.0516°, -77.1345°, elevation 5 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. 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).