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PortugalThe weather in March in Porto
It's cool to moderate in March in Porto with an average temperature of 16°C. Temperatures this month range from a low of 14°C to a high of 18°C. At night, you can expect temperatures between 7°C and 10°C.
Looking for sun and warm weather? March isn’t a good month to be in Porto. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in March for Porto, Portugal. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 29°C in 2021, Porto reached the highest temperature in March over the past 10 years. The lowest daytime temperature in this month was 9°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 15°C.
Water temperature
The water temperature at Porto is 16°C this month. This is probably too cold to swim without protective gear.
Rainfall amount
In March, there is an average of 121 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
Daily weather in March for Porto
Click on any day in March to get detailed info about the usual weather on that day in Porto. Check out the historical temperatures and precipitation over the past 10 years on this day.
March weather comparison
| Porto | New York | |
|---|---|---|
| Average temperature | 16°C | 11°C |
| Max. temperature | 18°C | 14°C |
| Min. temperature | 7°C | -5°C |
| Total precipitation | 121 mm | 63 mm |
| Rainy days | 14 days | 10 days |
Start of March
The month of March starts in Porto with cool temps, averaging around 15°C during the day and nights around 9°C.
Mid March
By mid-March, daytime temps rise to around 17°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of March
By the end of March, the average daytime temperature in Porto is around 17°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Porto for all months and discover the best travel time
Curious about the weather in other parts of Portugal? Check out the climate and weather for spots like Algarve, Lisbon, Albufeira, or explore other destinations in Portugal.
Temperature charts
These charts show the average temperatures in March in Porto, Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in March in Porto
Temperature in March in Porto over the years
Precipitation charts
These charts show the average amount of precipitation in March in Porto, Portugal. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in March in Porto
Total precipitation in March in Porto over the years
Daily UV index in March in Porto
This chart shows the average daily UV index in March in Porto, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in March in Porto
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Average weather in Porto by month
Click on a month below to see detailed weather info for Porto. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.