Arequipa climate

Name: Arequipa
Address: PE

Arequipa is warmest in October, with average highs of 23 °C, and coldest in July, when nights average 7.5 °C. February is the wettest month (215 mm) and June the driest (0.7 mm). Figures are 1991–2020 climate normals.

Across a full year Arequipa averages 701 mm of rain and 7 days above 25 °C.

Peru · population 1,195,700 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month October 23 °C
Coldest month July 7.5 °C
Driest month June 1 mm
Wettest month February 215 mm
Least cloud July 17 % cloud
Hottest on record May 28 °C
Coldest on record July 3.3 °C

What to expectArequipa through the year

Arequipa changes little through the year. Average daily highs stay between 22 and 23 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 7 days a year reach 25 °C. The warmest reading in the 1991–2020 record is 28 °C, in May.

Rain is strongly seasonal. February averages 215 mm against 1 mm in June — 321 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	19.4 °C	180 mm	87 %
February	19.0 °C	215 mm	88 %
March	19.1 °C	167 mm	82 %
April	20.2 °C	53 mm	60 %
May	21.4 °C	5 mm	29 %
June	21.8 °C	1 mm	21 %
July	21.7 °C	1 mm	17 %
August	22.5 °C	2 mm	17 %
September	23.1 °C	3 mm	25 %
October	23.2 °C	5 mm	46 %
November	22.7 °C	11 mm	58 %
December	21.4 °C	57 mm	77 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C
January	19.4 °C	11.9 °C	15.1 °C	26.1 °C	6.6 °C	0
February	19.0 °C	11.9 °C	14.8 °C	25.1 °C	6.7 °C	0
March	19.1 °C	11.7 °C	14.9 °C	23.6 °C	7.1 °C	0
April	20.2 °C	10.8 °C	15.1 °C	26.3 °C	6.2 °C	0
May	21.4 °C	8.9 °C	14.8 °C	27.5 °C	4.4 °C	0
June	21.8 °C	7.8 °C	14.5 °C	26.8 °C	4.7 °C	0
July	21.7 °C	7.5 °C	14.4 °C	25.8 °C	3.3 °C	0
August	22.5 °C	8.2 °C	15.4 °C	26.2 °C	4.7 °C	1
September	23.1 °C	9.1 °C	16.2 °C	27.4 °C	4.4 °C	2
October	23.2 °C	10.7 °C	16.9 °C	27.0 °C	4.5 °C	2
November	22.7 °C	11.4 °C	16.8 °C	26.7 °C	5.6 °C	1
December	21.4 °C	12.3 °C	16.3 °C	27.3 °C	6.4 °C	1

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	180 mm	25	13 h/day	87 %	82 %	12 km/h
February	215 mm	26	13 h/day	88 %	87 %	12 km/h
March	167 mm	26	12 h/day	82 %	85 %	11 km/h
April	53 mm	12	12 h/day	60 %	74 %	11 km/h
May	5 mm	1	11 h/day	29 %	53 %	11 km/h
June	1 mm	0	11 h/day	21 %	37 %	11 km/h
July	1 mm	0	11 h/day	17 %	34 %	12 km/h
August	2 mm	1	12 h/day	17 %	35 %	13 km/h
September	3 mm	1	12 h/day	25 %	38 %	14 km/h
October	5 mm	1	12 h/day	46 %	42 %	14 km/h
November	11 mm	3	13 h/day	58 %	50 %	15 km/h
December	57 mm	11	13 h/day	77 %	64 %	14 km/h

How Arequipa compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Arequipa	23 °C	7.5 °C	701 mm	7
Juliaca · Peru	17 °C	-1.9 °C	987 mm	0
Tacna · Peru	27 °C	13 °C	82 mm	115
Arica · Chile	28 °C	13 °C	145 mm	107
Cusco · Peru	17 °C	4.6 °C	1,190 mm	0
La Paz · Bolivia	15 °C	0.6 °C	714 mm	0
Iquique · Chile	27 °C	13 °C	61 mm	141

Where Arequipa ranks

Ranking	Position	Value
Places with the best weather in South America in October	1st of 50	97/100
Places with the best weather in South America in November	2nd of 50	98/100
Places with the best weather in South America in May	3rd of 50	95/100
Places with the best weather in the world in November	5th of 50	98/100
Places with the best weather in South America in September	6th of 50	94/100
Places with the best weather in South America year-round	15th of 50	87/100

Planning a trip? See the best time to visit Arequipa.

QuestionsCommon questions about Arequipa’s climate

When is the best time to visit Arequipa?

That depends on what you want, so the honest answer is a comparison rather than a single month. October, November, December sit closest to 20 °C on average, October is the warmest month and June the driest. The month-by-month table above has the full picture.

How hot does Arequipa get?

In October, the warmest month, daily highs average 23 °C. The highest value in the 1991–2020 record is 28 °C.

How cold does it get in winter?

Nights average 7.5 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Arequipa?

February, averaging 215 mm over 26 days with rain. The driest month is June with 1 mm. The year as a whole averages 701 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Arequipa rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: -16.399°, -71.537° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.