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Arequipa weather

Arequipa · 1,195,700 inhabitants · Thursday, October 29 · updated 12:50

Air: Fair

20°

Clear sky

Feels like 21°C

Wind

13 km/h

Gusts

17 km/h

Humidity

44 %

Pressure

1016 hPa

Clouds

1 %

Storm

Rise 05:09 Set 17:49 Day 12 h 40 min UV 11 · Extreme

Morning, afternoon, evening

Trend

Afternoon

Mainly clear

20°18°

Feels like 21°

Wind ↑ WSW 23 km/h

Humidity 44 %

Evening

Mainly clear

14°12°

Feels like 14°

Wind ↑ WSW 2 km/h

Humidity 71 %

💧 0.1 mm

13:00

20°

SW 13

16:00

18°

WSW 23

Arequipa forecast in charts · next 7 days

The week ahead: highs and lows

▲ This week runs +2.1° warmer than usual

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

Hourly detail

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

Arequipa climate: what a normal year looks like

The wet season is concentrated from January to March, which brings 75% of the annual total; February by itself averages 230 mm.

The thermometer moves little from one season to the next: typical afternoon highs range from 16 °C in February to 20 °C in October, and the coolest nights (July) average 5 °C.

From May to September, rain is scarce: under 10 mm a month on average.

Day and night differ most in June: 19 °C in the afternoon against 5 °C before dawn, a 14 °C swing.

Forecast highs for the coming week average 21 °C, 1 °C warmer than a normal October (20 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	16 °C	9 °C	204 mm
Feb	16 °C	10 °C	230 mm
Mar	16 °C	9 °C	189 mm
Apr	17 °C	9 °C	71 mm
May	19 °C	7 °C	10 mm
Jun	19 °C	5 °C	2 mm
Jul	18 °C	5 °C	3 mm
Aug	19 °C	6 °C	5 mm
Sep	20 °C	8 °C	7 mm
Oct	20 °C	9 °C	14 mm
Nov	19 °C	9 °C	22 mm
Dec	18 °C	10 °C	80 mm
Whole year	18 °C	8 °C	840 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 16.40° S, 71.54° 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 Arequipa: pollution and pollen

2/6

Fair

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.58µg/m³

PM1022µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Arequipa

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

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

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

Moon over Arequipa

Waning gibbous

87 % illuminated · 18.3 days

Rise 19:35 Set 05:56

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 Arequipa

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

Arequipa weather at a glance

This page gathers everything about the weather in Arequipa, Arequipa: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “clear sky”, it is 20 °C (feels like 21 °C) and the wind blows at 13 km/h.

Expected range today: 10 °C to 20 °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.

Arequipa weather data for developers

Use the Arequipa 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.

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