March weather forecast
Olhão, Portugal

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Weather in March

In March, the weather throughout Olhão continues its slow but steady transition towards spring. As compared to February, residents and visitors can expect a further increase in average daily temperatures. The region also bears witness to an increase in rainfall from 9mm (0.35") in February to 12mm (0.47") in March. The enhanced plant growth fueled by the showers is a sight to behold, painting the cityscapes in various shades of green. Higher sunshine hours provide ample time for sightseeing or taking part in the month’s traditional Mardi Gras festivities.

Temperature

The onset of March in Olhão brings an average high-temperature of an enjoyable 16.8°C (62.2°F), nearly matching the February temperature. Olhão reports an average low-temperature of 12.2°C (54°F) during the subtly cooler March nights.

Humidity

In March, the average relative humidity is 73%.

Rainfall

In March, the rain falls for 8 days. Throughout March, 12mm (0.47") of precipitation is accumulated. In Olhão, Portugal, during the entire year, the rain falls for 54.1 days and collects up to 109mm (4.29") of precipitation.

Sea temperature

With an average sea temperature of 15.9°C (60.6°F), March is the month with the coldest seawater in Olhão.
Note: A surface water temperature of 15.9°C (60.6°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).

Daylight

In March, the average length of the day is 11h and 59min.
On the first day of the month, sunrise is at 07:01 and sunset at 18:25. On the last day of March, in Olhão, sunrise is at 06:17 and sunset at 18:53 WET.

Sunshine

In March, the average sunshine is 8.4h.

UV index

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 4 in March translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the usual temperature for Olhão in March?

In Olhão, 16.8°C (62.2°F) is the average high-temperature and 12.2°C (54°F) is the average low-temperature during March.

What is the average humidity in March in Olhão?

In March, the average relative humidity in Olhão, Portugal, is 73%.

How many days does it rain in March in Olhão?

In Olhão, Portugal, in March, it is raining for 8 days, with typically 12mm (0.47") of accumulated precipitation.

What is the month with the coldest sea water in Olhão?

March is the month with the coldest seawater, with an average sea temperature of 15.9°C (60.6°F).

What is the sea water temperature in March in Olhão?

In Olhão, Portugal, the average seawater temperature in March is 15.9°C (60.6°F). Swimming in 15.9°C (60.6°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Olhão have in March?

In Olhão, the average day length in March is 11h and 59min.

What time are sunrise and sunset in March in Olhão?

In March, on the first day of the month, sunrise is at 07:01 and sunset at 18:25. On the last day of the month, in Olhão, Portugal, sunrise is at 06:17 and sunset at 18:53 WET.

How many hours of sunshine does Olhão have in March?

In Olhão, the average sunshine duration in March is 8.4h.

What are the months with the lowest UV index in Olhão?

The months with the lowest UV index in Olhão are January through March, November and December, with an average maximum UV index of 4.

What is the UV index intensity in March in Olhão?

In Olhão, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.

Average temperature in March
Olhão, Portugal

Average temperature in March - Olhão, Portugal
  • Average high temperature in March: 16.8°C

The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (15.1°C).

  • Average low temperature in March: 12.2°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (11.2°C).

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Average pressure in March
Olhão, Portugal

Average pressure in March - Olhão, Portugal
  • Average pressure in March: 1017.6mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The months with the lowest atmospheric pressure are April and August (1015.4mbar).

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Average wind speed in March
Olhão, Portugal

Average wind speed in March - Olhão, Portugal
  • Average wind speed in March: 19km/h

The windiest months (with the highest average wind speed) are February and March (19km/h).
The calmest month (with the lowest average wind speed) is September (12.7km/h).

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Average humidity in March
Olhão, Portugal

Average humidity in March - Olhão, Portugal
  • Average humidity in March: 73%

The month with the highest relative humidity is April (74%).
The month with the lowest relative humidity is August (62%).

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Average rainfall in March
Olhão, Portugal

Average rainfall in March - Olhão, Portugal
  • Average rainfall in March: 12mm

The wettest month (with the highest rainfall) is November (19mm).
The driest months (with the least rainfall) are June, July and August (1mm).

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Average rainfall days in March
Olhão, Portugal

Average rainfall days in March - Olhão, Portugal
  • Average rainfall days in March: 8 days

The month with the highest number of rainy days is April (8.2 days).
The month with the least rainy days is August (0.8 days).

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Average sea temperature in March
Olhão, Portugal

Average sea temperature in March - Olhão, Portugal
  • Average sea temperature in March: 15.9°C

The best month for swimming (with the highest average sea temperature) is August (22.1°C).
The coldest month (with the lowest average sea temperature) is March (15.9°C).

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Average daylight in March /
Average sunshine in March
Olhão, Portugal

Average daylight in March / Average sunshine in March - Olhão, Portugal
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in March: 8h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

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Average sunshine days in March
Olhão, Portugal

Average sunshine days in March - Olhão, Portugal
  • Average sunshine days in March: 22.1 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is April (20.3 days).

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Average UV index in March
Olhão, Portugal

Average UV index in March - Olhão, Portugal
  • Average UV index in March: 4

The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

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Average cloud cover in March
Olhão, Portugal

Average cloud cover in March - Olhão, Portugal
  • Average cloud cover in March: 28

The month with the most cloud cover is January (Cloud cover 30).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in March
Olhão, Portugal

Average visibility in March - Olhão, Portugal
  • Average visibility in March: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Olhão, Portugal

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