Search Menu

The weather in December in Olhão

It's cool to moderate in December in Olhão with an average temperature of 18°C. Temperatures this month range from a low of 17°C to a high of 19°C. At night, you can expect temperatures between 10°C and 13°C.

Looking for great weather? December 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 December 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 23°C in 2022, Olhão reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 13°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 18°C.

Water temperature

The water temperature at Olhão is 19°C this month. Refreshing if you feel like a swim.

Rainfall amount

In December, there is an average of 31 mm of precipitation, spread over 5 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in December for Olhão

Click on any day in December 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.

December weather comparison

  Olhão New York
Average temperature 18°C 9°C
Max. temperature 19°C 12°C
Min. temperature 10°C -5°C
Total precipitation 31 mm 133 mm
Rainy days 5 days 17 days

Start of December

The month of December starts in Olhão with mild temps, averaging around 18°C during the day and nights around 11°C.

Mid December

By mid-December, daytime temps stay steady at around 18°C, with nights around 12°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of December

By the end of December, the average daytime temperature in Olhão is around 18°C, while nighttime temps are about 12°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 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 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 December in Olhão, Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Olhão

Temperature in December in Olhão over the years

Precipitation charts

These charts show the average amount of precipitation in December 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 December in Olhão

Total precipitation in December in Olhão over the years

Daily UV index in December in Olhão

This chart shows the average daily UV index in December 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 December in Olhão

Have you been to Olhão in December?

Share your weather experience in December in Olhão.

Your email will not be shown in the review and will not be shared with others.

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.