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Callao weather

Callao · 1,226,200 inhabitants · Thursday, October 29 · updated 15:22

Air: Poor

21°

Partly cloudy

Feels like 28°C

Wind

23 km/h

Gusts

27 km/h

Humidity

87 %

Pressure

1011 hPa

Clouds

83 %

Storm

Rise 05:36 Set 18:07 Day 12 h 30 min UV 5 · Moderate

Morning, afternoon, evening

Trend

Afternoon

Overcast

24°21°

Feels like 32°

Wind ↑ SSE 23 km/h

Humidity 85 %

Evening

Mainly clear

23°21°

Feels like 31°

Wind ↑ SSE 26 km/h

Gusts 34 km/h

Humidity 88 %

16:00

21°

SSE 23

Callao forecast in charts · next 7 days

The week ahead: highs and lows

▲ This week runs +5.3° warmer than usual

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Callao climate: what a normal year looks like

A normal year brings roughly 210 mm of rain — less than 96% of the towns of 20,000+ people we compared it with.

The hottest stretch is February, when afternoons average 25 °C; the coldest is August, when nights average 15 °C.

Typical highs of 25 °C or more are reached in February only, at 25 °C.

Forecast highs for the coming week average 23 °C, 3 °C warmer than a normal October (20 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	24 °C	20 °C	28 mm
Feb	25 °C	20 °C	41 mm
Mar	25 °C	20 °C	34 mm
Apr	24 °C	19 °C	13 mm
May	22 °C	17 °C	10 mm
Jun	20 °C	16 °C	13 mm
Jul	20 °C	16 °C	14 mm
Aug	19 °C	15 °C	13 mm
Sep	20 °C	16 °C	12 mm
Oct	20 °C	16 °C	11 mm
Nov	21 °C	17 °C	10 mm
Dec	23 °C	18 °C	14 mm
Whole year	22 °C	18 °C	210 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 12.05° S, 77.15° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Callao: pollution and pollen

4/6

Poor

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.521µg/m³

PM1069µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Callao

Rain observed over the last two hours by official weather radars around Callao, followed by the radar forecast for the next hour where the weather service provides one.

Full-screen rain radar and next-hour rain on RainAtlas

Rain radar Last two hours, then forecast where available · drag the timeline

No open weather radar covers Callao yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Callao

Waning gibbous

87 % illuminated · 18.3 days

Rise 19:48 Set 06:30

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (America/Lima); phase and lit fraction from a synodic calculation.

Look up a past day in Callao

Curious about the weather in Callao on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Callao weather at a glance

This page gathers everything about the weather in Callao, Callao: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “partly cloudy”, it is 21 °C (feels like 28 °C) and the wind blows at 23 km/h.

Expected range today: 21 °C to 24 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Other big cities nearby

Lima 13 km 25°

Huancayo 211 km 15°

Callao weather data for developers

Use the Callao forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

Create a free key

Where does this forecast come from? Our engine, checked every day against 1125 weather stations