Cajamarca climate
Cajamarca (Peru) has a cold semi-arid climate (Köppen BSk). The average temperature over the year is 15 °C59 °F, and about 416 mm16 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Cajamarca climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 2069 | 948 | 1558 | 582.3 |
| Feb | 2068 | 948 | 1558 | 491.9 |
| Mar | 1967 | 949 | 1458 | 783.1 |
| Apr | 2068 | 949 | 1558 | 542.1 |
| May | 2069 | 948 | 1558 | 200.8 |
| Jun | 2169 | 846 | 1458 | 60.2 |
| Jul | 2170 | 846 | 1458 | 70.3 |
| Aug | 2272 | 847 | 1559 | 30.1 |
| Sep | 2272 | 948 | 1660 | 110.4 |
| Oct | 2171 | 949 | 1560 | 391.5 |
| Nov | 2170 | 948 | 1559 | 471.9 |
| Dec | 2069 | 948 | 1558 | 431.7 |
| Year | 2272 | 846 | 1559 | 41616 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 74% | 80% | 4.9 | 12:30 |
| Feb | 76% | 87% | 4.6 | 12:21 |
| Mar | 78% | 88% | 4.4 | 12:10 |
| Apr | 76% | 76% | 4.8 | 11:57 |
| May | 72% | 60% | 5.0 | 11:47 |
| Jun | 66% | 50% | 5.2 | 11:42 |
| Jul | 64% | 48% | 5.4 | 11:45 |
| Aug | 60% | 50% | 5.7 | 11:53 |
| Sep | 61% | 61% | 5.6 | 12:04 |
| Oct | 65% | 75% | 5.5 | 12:17 |
| Nov | 67% | 74% | 5.6 | 12:27 |
| Dec | 72% | 80% | 5.1 | 12:32 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Cajamarca is like
The warmest month is September, with an average high of 22 °C72 °F and a low of 9 °C48 °F. The coldest is June, when highs average 21 °C69 °F and lows 8 °C46 °F. Temperatures barely change through the year: the warmest and the coolest month differ by only 1.4 °C2.5 °F.
Annual precipitation is moderate at about 416 mm16 in. The wettest three-month stretch is January–March, which brings 45% of the annual total. Months with less than 20 mm0.8 in on average: June–September. The wettest month is March (78 mm3.1 in), the driest is August (3 mm0.1 in).
Relative humidity ranges from 60% in August to 78% in March. The clearest skies (lowest average cloud amount, 48%) are typical of July. Average wind speed near the ground ranges from 5 km/h (3 mph) in March to 9 km/h (6 mph) in August.
Best time to visit Cajamarca
Based on these averages, the most comfortable months for sightseeing and outdoor activities are all year: average highs of 19 °C67 °F to 22 °C72 °F with 3 mm0.1 in to 78 mm3.1 in of precipitation per month.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Cajamarca
- Wetter months (October–April) — highs 1967 to 21 °C71 °F, lows around 9 °C48 °F, about 53 mm2.1 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
- Drier months (May–September) — highs 2069 to 22 °C72 °F, lows 846 to 9 °C48 °F, about 9 mm0.4 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
How Cajamarca compares
Compared with Trujillo, about 121 km to the southwest, Cajamarca is on average 15.2 °C27.4 °F cooler and receives 134% more precipitation (416 mm16 in vs 178 mm7.0 in). The difference is largest in June (15.7 °C28.2 °F cooler).
Of the 21 places in Peru covered by World Climates, Cajamarca is the 16th warmest by annual mean temperature and the 8th wettest by annual precipitation. See all of them on the Peru climate page.
Places in other countries with the most similar temperature and rainfall pattern (seasons shifted for the other hemisphere where needed): Sucre (Bolivia, Cwb), Debre Tabor (Ethiopia, Cwb) and Toluca (Mexico, Cwb).
Nearby places
- Trujillo 121 km · 30 °C86 °F · 178 mm7.0 in
- Chiclayo 156 km · 21 °C69 °F · 80 mm3.1 in
- Chimbote 213 km · 21 °C69 °F · 66 mm2.6 in
- Huaraz 284 km · 16 °C60 °F · 373 mm15 in
- Piura 325 km · 26 °C79 °F · 139 mm5.5 in
- Sullana 349 km · 26 °C79 °F · 139 mm5.5 in
- Loja 361 km · 17 °C62 °F · 632 mm25 in
- Huánuco 395 km · 20 °C68 °F · 653 mm26 in
Frequently asked questions
What is the warmest month in Cajamarca?
September is the warmest month in Cajamarca, with an average high of 22 °C (72 °F) and an average low of 9 °C (48 °F).
What is the coldest month in Cajamarca?
June is the coldest month, with an average high of 21 °C (69 °F) and an average low of 8 °C (46 °F).
When does it rain the most in Cajamarca?
March is the wettest month with about 78 mm (3.1 in) of precipitation; August is the driest with about 3 mm (0.1 in).
What is the best time to visit Cajamarca?
Judging by long-term averages, the most comfortable months are all year.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.