Castelo Mendo Weather in April
Castelo Mendo in April averages 17°C (63°F) during the day and 7°C (45°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Castelo Mendo in April
Typically, you can expect about 13 days of rain this month, with 66 mm (2.6 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Castelo Mendo in April
Temperatures in Castelo Mendo in April top out at 17°C (63°F) and drop to 7°C (45°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Castelo Mendo in April
With about 174 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.If you prefer dry days with pleasant temperatures, May, June, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Castelo Mendo's climate page.
Castelo Mendo Temperature in April
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
45%
Precipitation
66 mm (2.6 in)
Rainy days
13 days
Humidity
76% *
Sunshine
174 hours *
Percentage Sunshine
*
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Castelo Mendo typically stay consistent throughout April, with daily highs averaging around 17°C (63°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 6°C (43°F).
Average temperatures in April
Daily Historical Precipitation
45-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Castelo Mendo in April
Browse day-by-day weather records for Castelo Mendo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Castelo Mendo historical weather extremes in April
Based on 27 years of weather observations (1999-2026), these are the most extreme conditions recorded in Castelo Mendo.
- On April 27, 2023, temperatures climbed to 29°C (84°F), marking the warmest April day on record.
- The lowest overnight temperature recorded in April was -4°C (25°F) (April 4, 2022).
Best Places in Portugal in April
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Castelo Mendo in April
Comfortable temperatures call for an easy wardrobe in April. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Castelo Mendo in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Castelo Mendo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Castelo Mendo climate overview or explore weather in Portugal.
