What is the weather like in Arequipa month by month?
The city of Arequipa is located in southern Peru, at an approximate altitude of 2,330 meters above sea level, in a geographical environment dominated by volcanic mountain ranges and inter-Andean valleys. Its location and altitude directly influence the climatic conditions throughout the year. Unlike other cities in the country, Arequipa is characterized by a relatively stable climate, with moderate temperatures and a low incidence of extreme weather events, which has allowed for the continuous development of urban, agricultural, and tourist activities.

General Climate Characteristics
The Arequipa climate is classified as a temperate desert climate. One of its most notable features is the significant difference between daytime and nighttime temperatures, mainly due to the city’s altitude and low humidity levels. Rainfall is limited and occurs primarily during the summer months, while the rest of the year is dominated by clear skies and strong solar radiation.
These climatic conditions have historically influenced Arequipa’s architecture, lifestyle, and economic activities, contributing to its reputation as one of the cities with the most pleasant and predictable climates in southern Peru.
Main characteristics:
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Average annual temperature: between 14 °C and 21 °C
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High solar radiation throughout the year
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Low humidity levels
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Notable daily temperature range (warm days and cold nights)

Monthly Climate in Arequipa
| Month | 🌡️ Average Temperature | ☀️ Rainfall Trend | Important Notes |
|---|---|---|---|
| January | ~22 °C daytime / ~8–10 °C nighttime | Moderate rainfall (annual peak) | Start of the rainy season |
| February | ~22 °C / ~10 °C | 🌧️ Highest rainfall of the year | Increased cloud cover and rainy days |
| March | ~22 °C / ~8–10 °C | Rainfall still present | End of the wet season |
| April | ~23 °C / ~7 °C | Very little rainfall | Clearer skies |
| May | ~22 °C / ~6 °C | Almost no rainfall | Beginning of the dry season |
| June | ~22 °C / ~5 °C | No rainfall | Dry and sunny days |
| July | ~21 °C / ~4–7 °C | Almost no rainfall | Coolest month of the dry season |
| August | ~22 °C / ~5–7 °C | No rainfall | Good weather for visiting |
| September | ~22–23 °C / ~6 °C | Very little rainfall | Continued sunny conditions |
| October | ~22 °C / ~6–9 °C | Very little rainfall | Pleasant temperatures |
| November | ~22 °C / ~8 °C | Low rainfall | Warmer and dry days |
| December | ~23 °C / ~8–10 °C | Increasing rainfall | End of the dry season / start of the wet season |

Precipitation Details
Rainfall in the Arequipa climate is generally scarce, reinforcing its classification as a dry city. February usually records the highest precipitation levels, while rainfall during the dry season is almost nonexistent.
When is the best time to travel to Arequipa?
✅ Ideal weather: April to September
🌿 Green landscapes: February and March
🏞️ Cultural and urban tourism: Year-round
❄️ Cool nights: June and July
Arequipa is a destination you can visit year-round, but knowing its weather month by month will allow you to choose the perfect time for your plans.
✈️ Final tip
If you’re planning excursions to the Colca Canyon, volcanoes, or other outdoor activities, prioritize the dry season months. For a more tranquil experience and lush green landscapes, the rainy season also has its charm.
