March weather forecast
Barreiro, Portugal

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Weather in March

The weather in Barreiro, Portugal improves in March, with a 2°C (35.6°F) increase in temperature highs, now oscillating from 11°C (51.8°F) to 17.3°C (63.1°F). Compared to February, rainfall increases, but the days also get longer, allowing more sunshine. March exhibits nearly constant wind speeds, maintaining the city's breezy climate. Despite increased humidity, atmospheric pressure drops slightly.

Temperature

Barreiro marks the onset of March with an average high-temperature of an enjoyable 17.3°C (63.1°F), a subtle shift from February's 15.3°C (59.5°F). The low-temperature average for Barreiro during March stands at a fresh 11°C (51.8°F).

Humidity

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

Rainfall

In Barreiro, in March, it is raining for 6.3 days, with typically 5mm (0.2") of accumulated precipitation. In Barreiro, during the entire year, the rain falls for 54.2 days and collects up to 61mm (2.4") of precipitation.

Daylight

In Barreiro, Portugal, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 07:07 and sunset at 18:29. On the last day of March, sunrise is at 06:21 and sunset at 18:59 WET.

Sunshine

In March, the average sunshine is 8.1h.

UV index

The months with the lowest UV index in Barreiro are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 4 in March translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What are the temperatures in Barreiro in March?

The average high-temperature, in March, in Barreiro, is 17.3°C (63.1°F), while the average low-temperature is 11°C (51.8°F).

What is the average humidity in March in Barreiro?

The average relative humidity in March in Barreiro, Portugal, is 73%.

How many days does it rain in March in Barreiro?

In Barreiro, in March, it is raining for 6.3 days, with typically 5mm (0.2") of accumulated precipitation.

What is the average length of the day in March in Barreiro?

The average day length in March in Barreiro, Portugal, is 11h and 58min.

When is the sunrise / sunset in March in Barreiro?

In March, on the first day of the month, sunrise is at 07:07 and sunset at 18:29. On the last day of the month, sunrise is at 06:21 and sunset at 18:59 WET.

How many hours of sunshine does Barreiro have in March?

In Barreiro, the average sunshine duration in March is 8.1h.

What is the month with the lowest UV index in Barreiro?

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

What is the UV index reading in March in Barreiro?

In March, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.

Average temperature in March
Barreiro, Portugal

Average temperature in March - Barreiro, Portugal
  • Average high temperature in March: 17.3°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 (14.9°C).

  • Average low temperature in March: 11°C

The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is February (9.8°C).

Average pressure in March
Barreiro, Portugal

Average pressure in March - Barreiro, Portugal
  • Average pressure in March: 1017.9mbar

The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in March
Barreiro, Portugal

Average wind speed in March - Barreiro, Portugal
  • Average wind speed in March: 16.1km/h

The windiest month (with the highest average wind speed) is February (16.5km/h).
The calmest month (with the lowest average wind speed) is September (13.1km/h).

Average humidity in March
Barreiro, Portugal

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

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (68%).

Average rainfall in March
Barreiro, Portugal

Average rainfall in March - Barreiro, Portugal
  • Average rainfall in March: 5mm

The wettest month (with the highest rainfall) is November (15mm).
The driest months (with the least rainfall) are June, July and August (1mm).

Average rainfall days in March
Barreiro, Portugal

Average rainfall days in March - Barreiro, Portugal
  • Average rainfall days in March: 6.3 days

The month with the highest number of rainy days is November (9.3 days).
The month with the least rainy days is August (0.8 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in March: 8h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in March
Barreiro, Portugal

Average sunshine days in March - Barreiro, Portugal
  • Average sunshine days in March: 22.5 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is November (17.7 days).

Average UV index in March
Barreiro, Portugal

Average UV index in March - Barreiro, 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).

Average cloud cover in March
Barreiro, Portugal

Average cloud cover in March - Barreiro, Portugal
  • Average cloud cover in March: 33

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in March
Barreiro, Portugal

Average visibility in March - Barreiro, 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).

Barreiro, Portugal

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