Rio de Onor Weather in March
March in Rio de Onor brings moderate temperatures around 14°C (57°F) during the day, dropping to 3°C (37°F) at night, with quite a bit of rainfall expected, averaging around 88 mm (3.5 in) for the month.
Rainfall in Rio de Onor in March
Looking at the last 30 years, the data shows about 12 days with rain, averaging 88 mm (3.5 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Rio de Onor in March
Temperatures in Rio de Onor in March top out at 14°C (57°F) and drop to 3°C (37°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Rio de Onor in March
Enjoy a sunny month with about 195 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.
Wind Speed in Rio de Onor in March
Average wind speeds reach 3 m/s (6 knots) in March, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Rio de Onor.
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 Rio de Onor's climate page.
Rio de Onor Temperature in March
Min Temperature
3°C (37°F)
Max Temperature
14°C (57°F)
Chance of Rain
41%
Precipitation
88 mm (3.5 in)
Rainy days
12 days
Humidity
68% *
Windspeed
3 m/s (6 knots) *
Sunshine
195 hours *
Percentage Sunshine
50% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rio de Onor typically stay consistent throughout March, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 5°C (41°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Rio de Onor in March
Browse day-by-day weather records for Rio de Onor spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rio de Onor historical weather extremes in March
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Rio de Onor.
- Rio de Onor recorded its highest March temperature of 29°C (84°F) on March 22, 2024.
- On March 17, 1979, Rio de Onor saw its coldest March day with temperatures maxing out at 2°C (36°F).
- The coldest night in March in Rio de Onor was on March 2, 2005, with a minimum of -10°C (14°F).
Best Places in Portugal in March
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Rio de Onor in March
The weather can swing between comfortable and chilly in March, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Rio de Onor in March
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 Rio de Onor's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Rio de Onor climate overview or explore weather in Portugal.
