Ica climate

Name: Ica
Address: PE

Ica is warmest in March, with average highs of 30 °C, and coldest in August, when nights average 15 °C. February is the wettest month (27 mm) and August the driest (0.07 mm). Figures are 1991–2020 climate normals.

Across a full year Ica averages 78 mm of rain and 316 days above 25 °C.

Peru · population 282,407 · 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 March 30 °C
Coldest month August 15 °C
Driest month August 0 mm
Wettest month February 27 mm
Least cloud August 20 % cloud
Hottest on record February 36 °C
Coldest on record July 8.6 °C

What to expectIca through the year

Ica has a clear annual cycle: average daily highs run from 25 °C in August to 30 °C in March, a swing of 5.6 °C in mean temperature across the year.

Counted across a normal year, 316 days a year reach 25 °C, 52 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in February.

Rain is spread fairly evenly through the year, from 0 mm in August to 27 mm in February. There is no dry season to aim for.

Month by month

Month	Avg high	Rainfall	Cloud
January	29.3 °C	20 mm	81 %
February	29.5 °C	27 mm	86 %
March	29.9 °C	20 mm	80 %
April	29.2 °C	3 mm	55 %
May	27.2 °C	under 1 mm	29 %
June	25.3 °C	under 1 mm	28 %
July	24.9 °C	under 1 mm	22 %
August	25.5 °C	under 1 mm	20 %
September	26.6 °C	under 1 mm	27 %
October	27.4 °C	1 mm	43 %
November	28.0 °C	1 mm	57 %
December	29.0 °C	4 mm	72 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.3 °C	20.2 °C	23.8 °C	34.9 °C	17.2 °C	30	10
February	29.5 °C	21.0 °C	24.4 °C	36.0 °C	19.1 °C	28	11
March	29.9 °C	21.0 °C	24.5 °C	35.4 °C	17.6 °C	31	13
April	29.2 °C	19.6 °C	23.4 °C	35.3 °C	15.2 °C	30	7
May	27.2 °C	17.7 °C	21.5 °C	32.0 °C	11.2 °C	28	1
June	25.3 °C	15.8 °C	19.6 °C	30.5 °C	9.9 °C	18	0
July	24.9 °C	15.0 °C	18.9 °C	31.0 °C	8.6 °C	14	0
August	25.5 °C	14.9 °C	19.1 °C	31.9 °C	8.6 °C	19	0
September	26.6 °C	15.5 °C	20.0 °C	31.5 °C	9.6 °C	27	0
October	27.4 °C	16.2 °C	20.8 °C	31.7 °C	10.7 °C	30	1
November	28.0 °C	17.1 °C	21.5 °C	32.7 °C	12.1 °C	30	2
December	29.0 °C	18.7 °C	22.8 °C	33.9 °C	14.9 °C	31	6

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	20 mm	5	13 h/day	81 %	70 %	15 km/h
February	27 mm	8	13 h/day	86 %	71 %	15 km/h
March	20 mm	6	12 h/day	80 %	69 %	14 km/h
April	3 mm	1	12 h/day	55 %	67 %	15 km/h
May	under 1 mm	0	11 h/day	29 %	65 %	13 km/h
June	under 1 mm	0	11 h/day	28 %	64 %	13 km/h
July	under 1 mm	0	11 h/day	22 %	63 %	13 km/h
August	under 1 mm	0	12 h/day	20 %	61 %	14 km/h
September	under 1 mm	0	12 h/day	27 %	60 %	15 km/h
October	1 mm	0	12 h/day	43 %	60 %	15 km/h
November	1 mm	0	13 h/day	57 %	62 %	16 km/h
December	4 mm	1	13 h/day	72 %	65 %	16 km/h

How Ica 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
Ica	30 °C	15 °C	78 mm	316
Chincha Alta · Peru	26 °C	16 °C	55 mm	127
Huancayo · Peru	17 °C	4.9 °C	1,509 mm	0
Santa Anita - Los Ficus · Peru	25 °C	14 °C	85 mm	25
Lima · Peru	26 °C	15 °C	85 mm	91
Callao · Peru	26 °C	15 °C	85 mm	89
Cusco · Peru	17 °C	4.6 °C	1,190 mm	0

Where Ica ranks

Ranking	Position	Value
The driest places in South America in May	2ndof 50	0.3 mm
The driest places in South America in November	8thof 50	1.2 mm
The driest places in South America in August	9thof 50	0.07 mm
The driest places in South America in April	10thof 50	3.3 mm
The driest places in South America in October	10thof 50	1.2 mm
The driest places in South America in September	11thof 50	0.1 mm

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

QuestionsCommon questions about Ica’s climate

When is the best time to visit Ica?

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

How hot does Ica get?

In March, the warmest month, daily highs average 30 °C. About 52 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 15 °C in August, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Ica?

February, averaging 27 mm over 8 days with rain. The driest month is August with 0 mm. The year as a whole averages 78 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 Ica 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
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.