Chainça, Portugal experiences average highs of 19°C (66°F) and lows of 10°C (50°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have warmed by 0.6°C (1.1°F) across the available records.
Chainça, Portugal Weather & Climate 2026
Monthly climate averages for Chainça, Portugal. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.3/10
Best: June, July, August, September
UV Index
5
Low
Temperature 19°C / 10°C
Feels Like 18°C / 8°C
Rainy Days 8
Rainfall 63 mm
Sunshine 10 h
Humidity 77%
Wind Speed 20 km/h
Dew Point 10°C
Frost Days 2 days
Hottest Month
27°C
August
Avg Low15°C
Rain1days
Coldest Month
5°C
January
Avg High13°C
Rain9days
Driest Month
1days
July
Avg High26°C
Avg Low15°C
Windiest Month
22 km/h
March (Gusts 44)
Worst Time to Visit
Consider avoiding January, February, November, December due to less favorable weather conditions.
Sun Position
Sunrise 06:08
Daylight 15h
Sunset 21:05
Live conditions—
Chainça on the map · live conditions
Chainça, Portugal
- Continent
- Europe
- Country
- Portugal
- City
- Chainça
- Population
- 772
- Coordinates
- 39.67°, -8.71°
Seasonal Breakdown
Spring
Mar–May
Avg High 18°C
Avg Low 9°C
Rain 10 days/mo
Summer
Jun–Aug
Avg High 25°C
Avg Low 14°C
Rain 2 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 20°C
Avg Low 11°C
Rain 9 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 13°C
Avg Low 6°C
Rain 9 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 13°C / 5°C . Feb: 14°C / 6°C . Mar: 15°C / 7°C . Apr: 17°C / 8°C . May: 20°C / 11°C . Jun: 23°C / 13°C . Jul: 26°C / 15°C . Aug: 27°C / 15°C . Sep: 24°C / 14°C . Oct: 21°C / 12°C . Nov: 15°C / 9°C . Dec: 14°C / 6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 89 mm. Feb: 62 mm. Mar: 104 mm. Apr: 94 mm. May: 51 mm. Jun: 22 mm. Jul: 5 mm. Aug: 3 mm. Sep: 36 mm. Oct: 95 mm. Nov: 110 mm. Dec: 90 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 78%. Mar: 77%. Apr: 77%. May: 74%. Jun: 74%. Jul: 71%. Aug: 71%. Sep: 73%. Oct: 76%. Nov: 82%. Dec: 83%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 20 km/h . Mar: 22 km/h . Apr: 20 km/h . May: 21 km/h . Jun: 21 km/h . Jul: 21 km/h . Aug: 21 km/h . Sep: 19 km/h . Oct: 19 km/h . Nov: 20 km/h . Dec: 20 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 8h. Mar: 10h. Apr: 11h. May: 12h. Jun: 13h. Jul: 13h. Aug: 12h. Sep: 11h. Oct: 9h. Nov: 7h. Dec: 7h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 0.6°C (1.1°F) across the available records. Average rainfall is trending wetter by about 27 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 28°C | Aug · 27°C |
| Coldest month | Dec 2025 · 6°C | Jan · 5°C |
| Wettest month | Nov 2025 · 274 mm | Nov · 110 mm |
| Windiest month | Mar 2025 · 23 km/h | Mar · 22 km/h |
Month-by-Month Weather Table
January
Fair 
February
Fair March
Fair April
Good May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Fair December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 13°C / 5°C | 10°C / 2°C | 9days (89 mm) Wet | 6.8h Fair | 82% Humid | 2.6 Moderate | Fair | View Details |
| February | 14°C / 6°C | 11°C / 3°C | 8days (62 mm) Wet | 8.1h Good | 78% Humid | 3.5 Moderate | Fair | View Details |
| March | 15°C / 7°C | 12°C / 4°C | 12days (104 mm) Wet | 9.5h Good | 77% Humid | 4.8 Moderate | Fair | View Details |
| April | 17°C / 8°C | 16°C / 6°C | 12days (94 mm) Wet | 10.8h Excellent | 77% Humid | 6.3 High | Good | View Details |
| May | 20°C / 11°C | 20°C / 9°C | 7days (51 mm) Good | 12.1h Excellent | 74% Muggy | 7 High | Good | View Details |
| June best | 23°C / 13°C | 23°C / 12°C | 5days (22 mm) Good | 12.8h Excellent | 74% Muggy | 7.5 Very High | Excellent | View Details |
| July best | 26°C / 15°C | 26°C / 14°C | 1days (5 mm) Excellent | 13.1h Excellent | 71% Muggy | 7.9 Very High | Excellent | View Details |
| August best | 27°C / 15°C | 27°C / 14°C | 1days (3 mm) Excellent | 12.3h Excellent | 71% Muggy | 7.5 Very High | Excellent | View Details |
| September best | 24°C / 14°C | 24°C / 13°C | 4days (36 mm) Good | 10.8h Excellent | 73% Muggy | 5.9 High | Excellent | View Details |
| October | 21°C / 12°C | 20°C / 11°C | 10days (95 mm) Wet | 8.7h Good | 76% Humid | 4.3 Moderate | Good | View Details |
| November | 15°C / 9°C | 13°C / 6°C | 12days (110 mm) Wet | 7.2h Good | 82% Humid | 2.9 Moderate | Fair | View Details |
| December | 14°C / 6°C | 11°C / 3°C | 10days (90 mm) Wet | 6.8h Fair | 83% Humid | 2.4 Moderate | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Chainça are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Chainça, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Chainça is August, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Chainça is January, with average overnight lows of 5°C (41°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Chainça is November, averaging 110mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Chainça runs through March, April, November, October, with the heaviest rainfall in March. Based on 10-year averages for Chainça.
Chainça receives approximately 119 sunshine hours per year. The sunniest month is July with around 13 hours. Based on climate data for Chainça.
The least favorable months to visit Chainça are January, February, November, December, primarily due to less favorable weather conditions. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Chainça is 5, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Chainça is 77%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Chainça rarely sees significant snowfall but does experience frost, averaging 2 frost days during the colder months.
Average wind speeds in Chainça are 20 km/h (12 mph). The windiest month is March with peak winds reaching 22 km/h (13 mph) (gusts up to 44 km/h / 28 mph).
Chainça averages 7 clear-sky days per month with overall cloud cover around 51%. The clearest skies occur in July.
The annual average dew point in Chainça is 10°C (50°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Chainça has a Warm-Summer Mediterranean climate, classified as Csb 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 Chainça ranges from 8°C (46°F) to 18°C (64°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 Chainça. It earns a climate score of 8.9/10 with Excellent.
For June in Chainça, pack Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 23°C (73°F) and 5 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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