Chaca, Peru experiences average highs of 15°C (59°F) and lows of 7°C (45°F) throughout the year. Rainfall is frequent, averaging about 21 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have cooled by 0.8°C (1.4°F) across the available records.
Chaca, Peru Weather & Climate 2026
Monthly climate averages for Chaca, Peru. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Apr–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5.7/10
Best: April, June, August
UV Index
8
High
Temperature 15°C / 7°C
Feels Like 15°C / 6°C
Rainy Days 21
Rainfall 114 mm
Sunshine 10 h
Humidity 84%
Wind Speed 7 km/h
Dew Point 8°C
Hottest Month
16°C
November
Avg Low 8°C
Rain 25 days
Coldest Month
5°C
July
Avg High 14°C
Rain 7 days
Driest Month
7 days
July
Avg High 14°C
Avg Low 5°C
Windiest Month
8 km/h
September (Gusts 33)
Worst Time to Visit
Consider avoiding May, July, September, December due to heavy rainfall.
Sun Position
Sunrise 06:20
Daylight 11.4h
Sunset 17:46
Live conditions —
Chaca on the map · live conditions
Chaca, Peru
- Continent
- Americas
- Country
- Peru
- City
- Chaca
- Population
- 947
- Coordinates
- -12.78°, -74.21°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 15°C
Avg Low 7°C
Rain 23 days/mo
Summer
Dec–Feb
Avg High 15°C
Avg Low 8°C
Rain 28 days/mo
Autumn
Mar–May
Avg High 15°C
Avg Low 8°C
Rain 23 days/mo
1/3 best months
Winter
Jun–Aug
Avg High 14°C
Avg Low 5°C
Rain 10 days/mo
2/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 15°C / 8°C . Feb: 15°C / 9°C . Mar: 15°C / 8°C . Apr: 15°C / 8°C . May: 15°C / 7°C . Jun: 14°C / 5°C . Jul: 14°C / 5°C . Aug: 15°C / 5°C . Sep: 15°C / 6°C . Oct: 15°C / 7°C . Nov: 16°C / 8°C . Dec: 15°C / 8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 192 mm. Feb: 207 mm. Mar: 183 mm. Apr: 105 mm. May: 68 mm. Jun: 42 mm. Jul: 32 mm. Aug: 48 mm. Sep: 76 mm. Oct: 110 mm. Nov: 138 mm. Dec: 167 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 86%. Feb: 87%. Mar: 87%. Apr: 86%. May: 85%. Jun: 83%. Jul: 80%. Aug: 79%. Sep: 80%. Oct: 82%. Nov: 84%. Dec: 85%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 8 km/h . Feb: 7 km/h . Mar: 7 km/h . Apr: 7 km/h . May: 6 km/h . Jun: 6 km/h . Jul: 7 km/h . Aug: 8 km/h . Sep: 8 km/h . Oct: 8 km/h . Nov: 7 km/h . Dec: 7 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 9h. Mar: 9h. Apr: 10h. May: 10h. Jun: 10h. Jul: 10h. Aug: 11h. Sep: 11h. Oct: 11h. Nov: 10h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 7. Apr: UV 8. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 8. Sep: UV 9. Oct: UV 9. Nov: UV 9. Dec: UV 9.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have cooled by 0.8°C (1.4°F) across the available records. Average rainfall is trending wetter by about 18 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Dec 2025 · 16°C | Nov · 16°C |
| Coldest month | Jul 2025 · 4°C | Jul · 5°C |
| Wettest month | Mar 2025 · 236 mm | Feb · 207 mm |
| Windiest month | Sep 2025 · 8 km/h | Sep · 8 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April best
Wet May
Fair June best
Fair July
Fair August best
Fair September
Wet October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 15°C / 8°C | 16°C / 7°C | 29days (192 mm) Wet | 9.9h Good | 86% Very Muggy | 7.6 Very High | Wet | View Details |
| February | 15°C / 9°C | 16°C / 8°C | 27days (207 mm) Wet | 9.2h Good | 87% Very Muggy | 7.5 Very High | Wet | View Details |
| March | 15°C / 8°C | 15°C / 7°C | 28days (183 mm) Wet | 9.2h Good | 87% Very Muggy | 6.8 High | Wet | View Details |
| April best | 15°C / 8°C | 15°C / 7°C | 24days (105 mm) Wet | 10h Excellent | 86% Very Muggy | 7.6 Very High | Wet | View Details |
| May | 15°C / 7°C | 14°C / 6°C | 16days (68 mm) Wet | 10.2h Excellent | 85% Humid | 7 High | Fair | View Details |
| June best | 14°C / 5°C | 13°C / 4°C | 10days (42 mm) Wet | 9.9h Good | 83% Humid | 6.7 High | Fair | View Details |
| July | 14°C / 5°C | 13°C / 3°C | 7days (32 mm) Good | 10.2h Excellent | 80% Humid | 7.3 Very High | Fair | View Details |
| August best | 15°C / 5°C | 14°C / 4°C | 13days (48 mm) Wet | 10.5h Excellent | 79% Humid | 7.6 Very High | Fair | View Details |
| September | 15°C / 6°C | 15°C / 5°C | 20days (76 mm) Wet | 10.9h Excellent | 80% Humid | 8.5 Very High | Wet | View Details |
| October | 15°C / 7°C | 16°C / 6°C | 25days (110 mm) Wet | 10.7h Excellent | 82% Humid | 8.8 Very High | Wet | View Details |
| November | 16°C / 8°C | 17°C / 7°C | 25days (138 mm) Wet | 10.3h Excellent | 84% Humid | 8.6 Very High | Wet | View Details |
| December | 15°C / 8°C | 16°C / 8°C | 27days (167 mm) Wet | 10h Excellent | 85% Humid | 8.6 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Chaca are April, June, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Chaca, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Chaca is November, with average daytime highs of 16°C (60°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Chaca is July, with average overnight lows of 5°C (40°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Chaca is February, averaging 207mm of precipitation across 27 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Chaca runs through January, March, February, December, with the heaviest rainfall in January. Based on 10-year averages for Chaca.
Chaca receives approximately 121 sunshine hours per year. The sunniest month is September with around 11 hours. Based on climate data for Chaca.
The least favorable months to visit Chaca are May, July, September, December, primarily due to heavy rainfall. For the best conditions, consider April, June, August instead.
The annual average UV index in Chaca is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Chaca is 84%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Average wind speeds in Chaca are 7 km/h (4 mph). The windiest month is September with peak winds reaching 8 km/h (5 mph) (gusts up to 33 km/h / 21 mph).
Chaca averages 0 clear-sky days per month with overall cloud cover around 82%. The clearest skies occur in August.
The annual average dew point in Chaca is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Chaca has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Chaca ranges from 6°C (43°F) to 15°C (59°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
July is not the best time to visit Chaca, with a climate score of 5.5/10. Consider visiting during April, June, August instead for better conditions.
For July in Chaca, pack Layered clothing, Light jacket, Umbrella, Comfortable walking shoes. With average highs of 14°C (58°F) and 7 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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