Castelo Mendo Weather in October
Thinking of visiting Castelo Mendo in October? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 10°C (50°F) at night, and be prepared for the wettest month of the year.
Rainfall in Castelo Mendo in October
Prepare for the wettest month with an umbrella to protect yourself from frequent rain. Typically around 12 days of rainfall are expected, averaging 96 mm (3.8 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Castelo Mendo in October
October tends to be one of the perfect months in Castelo Mendo, with 20°C (68°F) in the afternoon and 10°C (50°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 10°C (50°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 October
The area enjoys a balanced 166 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you're inclined towards comfortable temperatures and drier conditions, October is a good time to visit Castelo Mendo.
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 October
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
41%
Precipitation
96 mm (3.8 in)
Rainy days
12 days
Humidity
75% *
Sunshine
166 hours *
Percentage Sunshine
*
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Castelo Mendo typically drop from around 18°C (64°F) at the start of October to approximately 13°C (55°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).
Average temperatures in October
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 October
Historical weather for Castelo Mendo in October
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 October
Based on weather observations in Castelo Mendo between 1997 and 2025, these are the recorded extremes during October.
- On October 2, 2017, temperatures climbed to 32°C (90°F), marking the warmest October day on record.
- The coldest night in October in Castelo Mendo was on October 28, 2018, with a minimum of -2°C (28°F).
Best Places in Portugal in October
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Castelo Mendo in October
For Castelo Mendo in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Castelo Mendo in October
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.
