Peru Weather by Month: Complete Climate Guide 2026
Month-by-month Peru weather guide. Learn about temperatures, rainfall, and best times to visit Lima, Cusco, Machu Picchu, and the Amazon.
Peru's weather varies dramatically by region and season. The coast is dry year-round, the Andes have distinct wet and dry seasons, and the Amazon is hot and humid always. Here's what to expect each month.
Peru Weather & Season Matrix
Toggle months and temperature units to explore real Andean rainfall, Lima coastal sun, and Amazon river conditions.
May in Peru
⭐ Prime Shoulder Season Moderate CrowdsThe rain stops across Cusco and the Sacred Valley, leaving lush green hills under crisp sapphire skies. One of the single best months of the year for Inca Trail hiking and Machu Picchu.
Highlands & Andes
Cusco, Machu Picchu, Huaraz🥾 Trekking Status: Exceptional conditions. Dry trails, clear Andean mountain passes, cold nights.
💡 Highland Tip: Bring a thermal base layer and down jacket for freezing Andean nights.
Coast & Lima
Lima, Paracas, Máncora, Nazca🏖️ Coastal Status: Lima enters mild garúa sea fog season; Northern beaches (Máncora) stay sunny & warm 28°C.
💡 Coastal Tip: Great for Lima culinary tours and Paracas Ballestas Islands wildlife tours.
Amazon Rainforest
Tambopata, Puerto Maldonado, Iquitos🛶 Jungle Status: River levels lower, exposing clay licks where macaws and tapirs gather in huge numbers.
💡 Jungle Tip: Pack 100% DEET or Picaridin repellent and lightweight quick-dry long sleeves.
Fiesta de las Cruces (May 3) celebrated across Andean highland hamlets and Cusco plazas.
Peru's Climate Zones
Coast (Lima)
- Climate: Desert, mild
- Dry: Year-round
- Temp: 60-80°F (15-27°C)
- Note: Overcast May-Nov
Andes (Cusco)
- Climate: Highland, cool
- Dry: May-September
- Wet: November-March
- Temp: 40-70°F (4-21°C)
Amazon
- Climate: Tropical, humid
- Wet: November-April
- Dry: May-October
- Temp: 75-95°F (24-35°C)
Month-by-Month Weather Guide
January Weather
Lima (Coast)
75°F (24°C), Overcast, No rain
Cusco (Andes)
60°F (16°C), Heavy rain, Wet season
Amazon
85°F (29°C), Heavy rain, High humidity
Travel Notes: Peak rainy season in Cusco. Inca Trail closed. Good for coast and beach destinations. Fewer tourists, lower prices.
February Weather
Lima (Coast)
76°F (24°C), Overcast, No rain
Cusco (Andes)
60°F (16°C), Heavy rain, Wettest month
Amazon
85°F (29°C), Heavy rain, Rivers high
Travel Notes: Inca Trail closed all month. Wettest month in Cusco. Good for Lima and northern coast. Budget travel season.
March Weather
Lima (Coast)
75°F (24°C), Sunny, Warm
Cusco (Andes)
60°F (16°C), Moderate rain, Wet season ending
Amazon
85°F (29°C), Rain decreasing, Still humid
Travel Notes: Shoulder season begins. Rain decreasing. Green landscapes. Good deals on tours and hotels.
April Weather
Lima (Coast)
73°F (23°C), Sunny, Pleasant
Cusco (Andes)
62°F (17°C), Light rain, Dry season starting
Amazon
84°F (29°C), Occasional rain, Good wildlife
Travel Notes: Excellent shoulder season. Less rain, fewer crowds. Good for all regions. Inca Trail reopens.
May Weather
Lima (Coast)
68°F (20°C), Overcast, Cool
Cusco (Andes)
64°F (18°C), Dry, Clear skies
Amazon
82°F (28°C), Dry season, Best wildlife
Travel Notes: Dry season begins. Perfect for Cusco and Machu Picchu. Crowds increasing. Book Inca Trail permits early.
June Weather
Lima (Coast)
65°F (18°C), Overcast, Gray
Cusco (Andes)
62°F (17°C), Dry, Cold nights
Amazon
80°F (27°C), Dry, Excellent conditions
Travel Notes: Peak season starts. Inti Raymi festival (June 24). Book everything in advance. Highest prices.
July Weather
Lima (Coast)
63°F (17°C), Overcast, Coldest month
Cusco (Andes)
62°F (17°C), Dry, Very cold nights
Amazon
80°F (27°C), Dry, Peak season
Travel Notes: Busiest month. Perfect weather for Andes. Book 3-6 months ahead. Highest prices. Fiestas Patrias (July 28-29).
August Weather
Lima (Coast)
63°F (17°C), Overcast, Cool
Cusco (Andes)
64°F (18°C), Dry, Cold nights
Amazon
82°F (28°C), Dry, Good conditions
Travel Notes: Still peak season. Excellent weather for trekking. Very crowded at Machu Picchu. Book well in advance.
September Weather
Lima (Coast)
65°F (18°C), Overcast, Warming up
Cusco (Andes)
65°F (18°C), Dry, Warming
Amazon
83°F (28°C), Dry ending, Occasional rain
Travel Notes: Shoulder season begins. Crowds decreasing. Still good weather. Better prices than July-August.
October Weather
Lima (Coast)
67°F (19°C), Overcast, Mild
Cusco (Andes)
66°F (19°C), Light rain, Transition month
Amazon
84°F (29°C), Rain increasing, Humid
Travel Notes: Excellent shoulder season. Occasional rain. Fewer tourists. Good deals. Wildflowers blooming.
November Weather
Lima (Coast)
70°F (21°C), Overcast, Warming
Cusco (Andes)
65°F (18°C), Moderate rain, Wet season starting
Amazon
85°F (29°C), Heavy rain, Wet season
Travel Notes: Wet season begins. Lower prices. Fewer crowds. Rain mostly in afternoons. Still possible to visit Machu Picchu.
December Weather
Lima (Coast)
73°F (23°C), Sunny, Pleasant
Cusco (Andes)
63°F (17°C), Moderate rain, Wet season
Amazon
85°F (29°C), Heavy rain, Very humid
Travel Notes: Holiday season. Prices increase around Christmas/New Year. Rain in Cusco but manageable. Good for coast.
Best Time to Visit by Region
Cusco & Machu Picchu
Best: May-September (dry season)
Good: April, October (shoulder season)
Avoid: January-February (wettest, Inca Trail closed)
Lima & Coast
Best: December-April (sunny, warm)
Good: Year-round (rarely rains)
Note: May-November is overcast but still pleasant
Amazon Rainforest
Best: May-October (dry season, best wildlife)
Good: November-April (wet season, high rivers, different wildlife)
Note: Hot and humid year-round
What to Pack for Peru Weather
- Layers: Temperature varies greatly between day/night and regions
- Rain jacket: Essential for Andes wet season (November-March)
- Warm clothes: Nights in Cusco are cold year-round (40-50°F)
- Sun protection: High altitude means strong UV rays
- Light clothes: For Lima, Amazon, and daytime in Cusco
- Good shoes: Waterproof hiking boots for treks