Cajamarca climate

Name: Cajamarca
Address: PE

Cajamarca is warmest in August, with average highs of 21 °C, and coldest in July, when nights average 8.8 °C. March is the wettest month (442 mm) and July the driest (28 mm). Figures are 1991–2020 climate normals.

Peru · 2,700 m elevation · population 201,329 · 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 August 21 °C
Coldest month July 8.8 °C
Driest month July 28 mm
Wettest month March 442 mm
Least cloud August 42 % cloud
Hottest on record September 25 °C
Coldest on record November 3.1 °C

What to expectCajamarca through the year

Cajamarca changes little through the year. Average daily highs stay between 20 and 21 °C, so no month stands out as a season in the way it would further from the equator.

Rain is strongly seasonal. March averages 442 mm against 28 mm in July — 16 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	18.5 °C	336 mm	85 %
February	18.5 °C	401 mm	91 %
March	18.6 °C	442 mm	92 %
April	18.7 °C	284 mm	81 %
May	18.9 °C	142 mm	64 %
June	19.2 °C	54 mm	48 %
July	19.8 °C	28 mm	42 %
August	20.6 °C	41 mm	42 %
September	20.0 °C	151 mm	61 %
October	19.2 °C	253 mm	76 %
November	19.2 °C	211 mm	80 %
December	18.8 °C	276 mm	83 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low
January	18.5 °C	10.2 °C	13.4 °C	23.3 °C	4.1 °C
February	18.5 °C	10.7 °C	13.5 °C	23.2 °C	5.2 °C
March	18.6 °C	10.7 °C	13.5 °C	22.5 °C	5.7 °C
April	18.7 °C	10.5 °C	13.8 °C	22.5 °C	5.7 °C
May	18.9 °C	10.0 °C	13.8 °C	22.1 °C	5.5 °C
June	19.2 °C	9.3 °C	13.7 °C	24.0 °C	4.4 °C
July	19.8 °C	8.8 °C	13.8 °C	24.0 °C	4.8 °C
August	20.6 °C	9.1 °C	14.3 °C	24.7 °C	5.1 °C
September	20.0 °C	9.6 °C	14.1 °C	25.0 °C	4.0 °C
October	19.2 °C	9.7 °C	13.5 °C	24.6 °C	4.6 °C
November	19.2 °C	9.5 °C	13.4 °C	24.9 °C	3.1 °C
December	18.8 °C	9.9 °C	13.4 °C	22.2 °C	3.9 °C

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	336 mm	26	12 h/day	85 %	83 %	8.4 km/h
February	401 mm	25	12 h/day	91 %	86 %	8.1 km/h
March	442 mm	29	12 h/day	92 %	86 %	7.6 km/h
April	284 mm	26	12 h/day	81 %	84 %	7.6 km/h
May	142 mm	20	12 h/day	64 %	80 %	7.8 km/h
June	54 mm	9	12 h/day	48 %	74 %	9.0 km/h
July	28 mm	6	12 h/day	42 %	67 %	10.0 km/h
August	41 mm	8	12 h/day	42 %	64 %	10 km/h
September	151 mm	18	12 h/day	61 %	73 %	9.1 km/h
October	253 mm	24	12 h/day	76 %	78 %	8.5 km/h
November	211 mm	19	12 h/day	80 %	75 %	9.2 km/h
December	276 mm	23	13 h/day	83 %	80 %	8.7 km/h

How Cajamarca 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
Cajamarca	21 °C	8.8 °C	2,619 mm	0
Trujillo · Peru	27 °C	16 °C	190 mm	129
Chiclayo · Peru	29 °C	16 °C	196 mm	164
Chimbote · Peru	27 °C	15 °C	49 mm	94
Piura · Peru	33 °C	17 °C	298 mm	364
Sullana · Peru	33 °C	17 °C	318 mm	365
Loja · Ecuador	22 °C	13 °C	1,283 mm	1

Where Cajamarca ranks

Ranking	Position	Value
The coolest places in South America in February	15th of 50	19 °C
The coolest places in South America in March	16th of 50	19 °C
The coolest places in South America in January	18th of 50	19 °C
The coolest places in South America in November	20th of 50	19 °C
The coolest places in South America in December	22nd of 50	19 °C
The coolest places in South America in April	23rd of 50	19 °C

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

QuestionsCommon questions about Cajamarca’s climate

When is the best time to visit Cajamarca?

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

How hot does Cajamarca get?

In August, the warmest month, daily highs average 21 °C. The highest value in the 1991–2020 record is 25 °C.

How cold does it get in winter?

Nights average 8.8 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Cajamarca?

March, averaging 442 mm over 29 days with rain. The driest month is July with 28 mm. The year as a whole averages 2,619 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 Cajamarca 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: -7.164°, -78.500° , 2700 m above sea level (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.