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The weather in May in Olhão

It's warm in May in Olhão with an average temperature of 24°C. Temperatures this month range from a low of 22°C to a high of 26°C. At night, you can expect temperatures between 15°C and 18°C.

Looking for great weather? May is a good time to be in Olhão. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Olhão, 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 34°C in 2015, Olhão reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 17°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 24°C.

Water temperature

The water temperature at Olhão is 21°C this month. Pleasant for a swim.

Rainfall amount

In May, there is an average of 22 mm of precipitation, spread over 4 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in May for Olhão

Click on any day in May to get detailed info about the usual weather on that day in Olhão. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Olhão New York
Average temperature 24°C 22°C
Max. temperature 26°C 28°C
Min. temperature 15°C -5°C
Total precipitation 22 mm 105 mm
Rainy days 4 days 14 days

Start of May

The month of May starts in Olhão with warm temps, averaging around 24°C during the day and nights around 16°C.

Mid May

By mid-May, daytime temps rise to around 25°C, with nights around 17°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of May

By the end of May, the average daytime temperature in Olhão is around 25°C, while nighttime temps are about 18°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

Find affordable trips to Olhão

UV index

The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Olhão 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 May in Olhão, Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Olhão

Temperature in May in Olhão over the years

Precipitation charts

These charts show the average amount of precipitation in May in Olhão, 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 May in Olhão

Total precipitation in May in Olhão over the years

Daily UV index in May in Olhão

This chart shows the average daily UV index in May in Olhão, 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 May in Olhão

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Average weather in Olhão by month

Click on a month below to see detailed weather info for Olhão. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.