Climate Overview
The climate in Cajamarca is temperate. The average annual temperature is 10°C and approximately 2742mm of precipitation falls per year. Cajamarca receives a notable amount of rainfall throughout the year, including during its driest month. Cajamarca sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Cajamarca sees moderate temperature variation throughout the year, ranging from 5°C to 16°C. August is the warmest month, though highs remain moderate at 16°C with a mean of 10°C. July is the coolest month, with minimum temperatures around 5°C and an average of 10°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Cajamarca is a very wet location, receiving approximately 2742mm of precipitation annually, which averages out to around 228mm per month. The wettest month is March, averaging 446mm of rainfall. February and December also tend to see above-average precipitation. The driest month is July, with just 39mm. That's 407mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Cajamarca is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 10km/h in winter, 8km/h in spring, 7km/h in summer, 7km/h in autumn.
Seasons
90 days until Winter
It is currently autumn in Cajamarca, which began on March 20, 2026. Cajamarca sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in August at around 16°C, while the coldest stretch bottoms out in July near 5°C. Winter is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 6 to 16°C. Rainfall is heavy, totalling around 676mm across the season with a monthly average of 225mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 7 to 15°C. Rainfall is heavy, totalling around 987mm across the season with a monthly average of 329mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 7 to 15°C. Rainfall is heavy, totalling around 926mm across the season with a monthly average of 309mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 5 to 16°C. Precipitation is moderate at around 154mm for the season, averaging 51mm per month. Winds are generally light, averaging 10km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Cajamarca based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.