March weather forecast
Guia, Portugal

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Weather in March

March heralds the true arrival of Spring, offering a notable difference from the preceding month with an increased number of rainfall days, jumping to 9 from February's 5.1 days. The temperatures continue to rise steadily, making the weather perfect for leisure and outdoor activities. The increased daylight hours, coupled with a higher UV index, signal that the days are growing longer and the weather warmer. The sea temperature also witnesses a marginal increase, hinting at more circulated warm ocean air over the city. Despite this, the month maintains a consistent visibility of 10km (6.2mi), assuring clear views of the city's landscapes.

Temperature

March's arrival brings an average high-temperature of a still refreshing 16.7°C (62.1°F), demonstrating subtle variation from the preceding month. Nights in March exhibit a minor reduction to an average low temperature of 11.8°C (53.2°F).

Humidity

January, March, April and December, with an average relative humidity of 75%, are the most humid months in Guia.

Rainfall

In Guia, in March, it is raining for 9 days, with typically 11mm (0.43") of accumulated precipitation. In Guia, during the entire year, the rain falls for 62.4 days and collects up to 78mm (3.07") of precipitation.

Sea temperature

In March, the average sea temperature in Guia, Portugal, is 16°C (60.8°F).
Note: In water with a temperature of 16°C (60.8°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.

Daylight

In March, the average length of the day is 11h and 59min.
On the first day of March in Guia, sunrise is at 07:03 and sunset at 18:27. On the last day of the month, sunrise is at 06:19 and sunset at 18:55 WET.

Sunshine

In Guia, the average sunshine in March 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 in Guia. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 4 in March translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What is the average March temperature in Guia?

Guia in March has an average high-temperature of 16.7°C (62.1°F) and an average low-temperature of 11.8°C (53.2°F).

What is the most humid month in Guia?

The months with the highest humidity in Guia, Portugal, are January, March, April and December, with an average relative humidity of 75%.

What is the average humidity in March in Guia?

In Guia, Portugal, the average relative humidity in March is 75%.

How many days does it rain in March in Guia?

In Guia, Portugal, during March, the rain falls for 9 days and regularly aggregates up to 11mm (0.43") of precipitation.

How cold is the water in March in Guia?

In Guia, Portugal, the average seawater temperature in March is 16°C (60.8°F). For swimming, a surface water temperature of 16°C (60.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Guia have in March?

The average day length in March in Guia, Portugal, is 11h and 59min.

When is the sunrise / sunset in March in Guia?

On the first day of March in Guia, sunrise is at 07:03 and sunset at 18:27. On the last day of the month, sunrise is at 06:19 and sunset at 18:55 WET.

How many hours of sunshine does Guia have in March?

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

When is the lowest UV index in Guia?

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

What is the UV index reading in March in Guia?

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

Average temperature in March
Guia, Portugal

Average temperature in March - Guia, Portugal
  • Average high temperature in March: 16.7°C

The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (15°C).

  • Average low temperature in March: 11.8°C

The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (10.6°C).

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Average pressure in March
Guia, Portugal

Average pressure in March - Guia, Portugal
  • Average pressure in March: 1017.7mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

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Average wind speed in March
Guia, Portugal

Average wind speed in March - Guia, Portugal
  • Average wind speed in March: 18km/h

The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is September (12.5km/h).

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Average humidity in March
Guia, Portugal

Average humidity in March - Guia, Portugal
  • Average humidity in March: 75%

The months with the highest relative humidity are January, March, April and December (75%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in March
Guia, Portugal

Average rainfall in March - Guia, Portugal
  • Average rainfall in March: 11mm

The wettest month (with the highest rainfall) is November (14mm).
The driest month (with the least rainfall) is July (0mm).

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Average rainfall days in March
Guia, Portugal

Average rainfall days in March - Guia, Portugal
  • Average rainfall days in March: 9 days

The month with the highest number of rainy days is November (9.2 days).
The month with the least rainy days is August (0.7 days).

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Average sea temperature in March
Guia, Portugal

Average sea temperature in March - Guia, Portugal
  • Average sea temperature in March: 16°C

The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

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

Average daylight in March / Average sunshine in March - Guia, 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 0min).

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Average sunshine days in March
Guia, Portugal

Average sunshine days in March - Guia, Portugal
  • Average sunshine days in March: 20.5 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is November (19.2 days).

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Average UV index in March
Guia, Portugal

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

The months with the highest UV index are 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
Guia, Portugal

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

The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in March
Guia, Portugal

Average visibility in March - Guia, 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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Guia, Portugal

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