Bernal, Peru experiences average highs of 29°C (84°F) and lows of 20°C (68°F) throughout the year. The climate is relatively dry, with only 2 rainy days per month on average. Sunshine is abundant, averaging about 11 hours per day. Average highs have cooled by 1.0°C (1.8°F) across the available records.
Bernal, Peru Weather & Climate 2026
Monthly climate averages for Bernal, Peru. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.9/10
Best: June, July, August, September, October
UV Index
9
High
Temperature 29°C / 20°C
Feels Like 31°C / 21°C
Rainy Days 2
Rainfall 15 mm
Sunshine 11 h
Humidity 70%
Wind Speed 21 km/h
Dew Point 19°C
Hottest Month
33°C
February
Avg Low 24°C
Rain 5 days
Coldest Month
17°C
August
Avg High 27°C
Rain 1 days
Driest Month
0 days
July
Avg High 27°C
Avg Low 18°C
Windiest Month
22 km/h
January (Gusts 41)
Sea Temperature
19°C – 25°C
Warmest water: February (
24.8°C
)
Worst Time to Visit
Consider avoiding January, February, March, April due to extreme heat.
Sun Position
Sunrise 06:29
Daylight 11.8h
Sunset 18:18
Live conditions —
Bernal on the map · live conditions
Bernal, Peru
- Continent
- Americas
- Country
- Peru
- City
- Bernal
- Population
- 5.9K
- Coordinates
- -5.45°, -80.75°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 28°C
Avg Low 18°C
Rain 1 days/mo
2/3 best months
Summer
Dec–Feb
Avg High 31°C
Avg Low 22°C
Rain 4 days/mo
Autumn
Mar–May
Avg High 31°C
Avg Low 22°C
Rain 4 days/mo
Winter
Jun–Aug
Avg High 27°C
Avg Low 18°C
Rain 1 days/mo
3/3 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: 32°C / 22°C . Feb: 33°C / 24°C . Mar: 32°C / 23°C . Apr: 31°C / 22°C . May: 30°C / 20°C . Jun: 28°C / 19°C . Jul: 27°C / 18°C . Aug: 27°C / 17°C . Sep: 28°C / 17°C . Oct: 28°C / 18°C . Nov: 28°C / 18°C . Dec: 30°C / 20°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 11 mm. Feb: 32 mm. Mar: 74 mm. Apr: 33 mm. May: 5 mm. Jun: 3 mm. Jul: 1 mm. Aug: 1 mm. Sep: 1 mm. Oct: 4 mm. Nov: 7 mm. Dec: 12 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 67%. Feb: 67%. Mar: 68%. Apr: 69%. May: 70%. Jun: 71%. Jul: 72%. Aug: 71%. Sep: 70%. Oct: 70%. Nov: 70%. Dec: 70%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 22 km/h . Feb: 21 km/h . Mar: 20 km/h . Apr: 20 km/h . May: 21 km/h . Jun: 20 km/h . Jul: 20 km/h . Aug: 21 km/h . Sep: 22 km/h . Oct: 22 km/h . Nov: 21 km/h . Dec: 22 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 11h. Mar: 10h. Apr: 11h. May: 11h. Jun: 11h. Jul: 11h. Aug: 11h. Sep: 11h. Oct: 11h. Nov: 11h. Dec: 11h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 22°C . Feb: 25°C . Mar: 25°C . Apr: 23°C . May: 21°C . Jun: 21°C . Jul: 20°C . Aug: 19°C . Sep: 19°C . Oct: 19°C . Nov: 19°C . Dec: 20°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 10. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 9. 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 1.0°C (1.8°F) across the available records. Average rainfall is trending wetter by about 10 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Mar 2025 · 32°C | Feb · 33°C |
| Coldest month | Aug 2025 · 17°C | Aug · 17°C |
| Wettest month | Apr 2025 · 59 mm | Mar · 74 mm |
| Windiest month | Sep 2025 · 23 km/h | Jan · 22 km/h |
Month-by-Month Weather Table
January
Fair 
February
Fair March
Fair April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Excellent November
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 32°C / 22°C | 34°C / 24°C | 3days (11 mm) Excellent | 10.8h Excellent | 67% Muggy | 9.2 Very High | Fair | View Details |
| February | 33°C / 24°C | 36°C / 27°C | 5days (32 mm) Good | 10.5h Excellent | 67% Muggy | 9.7 Very High | Fair | View Details |
| March | 32°C / 23°C | 36°C / 26°C | 7days (74 mm) Good | 10h Excellent | 68% Muggy | 9.4 Very High | Fair | View Details |
| April | 31°C / 22°C | 34°C / 24°C | 5days (33 mm) Good | 10.5h Excellent | 69% Muggy | 8.9 Very High | Fair | View Details |
| May | 30°C / 20°C | 32°C / 21°C | 1days (5 mm) Excellent | 10.7h Excellent | 70% Muggy | 8.2 Very High | Good | View Details |
| June best | 28°C / 19°C | 29°C / 19°C | 1days (3 mm) Excellent | 10.6h Excellent | 71% Muggy | 7.7 Very High | Excellent | View Details |
| July best | 27°C / 18°C | 28°C / 18°C | 0days (1 mm) Excellent | 10.6h Excellent | 72% Muggy | 8 Very High | Excellent | View Details |
| August best | 27°C / 17°C | 28°C / 17°C | 1days (1 mm) Excellent | 10.6h Excellent | 71% Muggy | 8.6 Very High | Excellent | View Details |
| September best | 28°C / 17°C | 29°C / 17°C | 0days (1 mm) Excellent | 10.7h Excellent | 70% Muggy | 9.3 Very High | Excellent | View Details |
| October best | 28°C / 18°C | 30°C / 18°C | 1days (4 mm) Excellent | 10.7h Excellent | 70% Muggy | 9.4 Very High | Excellent | View Details |
| November | 28°C / 18°C | 30°C / 19°C | 2days (7 mm) Excellent | 10.8h Excellent | 70% Muggy | 9.3 Very High | Excellent | View Details |
| December | 30°C / 20°C | 32°C / 22°C | 3days (12 mm) Excellent | 10.9h Excellent | 70% Muggy | 9.1 Very High | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Bernal are June, July, August, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Bernal, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Bernal is February, with average daytime highs of 33°C (91°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Bernal is August, with average overnight lows of 17°C (63°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Bernal is March, averaging 74mm of precipitation across 7 rainy days. An umbrella or waterproof jacket is essential.
Bernal receives approximately 127 sunshine hours per year. The sunniest month is December with around 11 hours. Based on climate data for Bernal.
The least favorable months to visit Bernal are January, February, March, April, primarily due to extreme heat. For the best conditions, consider June, July, August, September, October instead.
The annual average UV index in Bernal is 9, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Bernal is 70%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in February, March, April average 24°C (75°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Bernal are 21 km/h (13 mph). The windiest month is January with peak winds reaching 22 km/h (14 mph) (gusts up to 41 km/h / 26 mph).
Bernal averages 2 clear-sky days per month with overall cloud cover around 59%. The clearest skies occur in July.
The annual average dew point in Bernal is 19°C (66°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Bernal has a Hot Desert climate, classified as BWh under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Bernal ranges from 21°C (70°F) to 31°C (88°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Bernal. It earns a climate score of 9.5/10 with Excellent.
For June in Bernal, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 28°C (82°F) and 1 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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