March weather forecast
Portimão, Portugal

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Weather in March

March, right at the pivot of the transitioning season in Portimão, attests to a pleasant elevation in normal temperatures from 15.3°C (59.5°F) to 16.4°C (61.5°F). It carries the warmth of the coming spring season despite experiencing higher rainfall at 16mm (0.63") from the preceding month's 10mm (0.39"). The daylight hours continue their increasing trend, inspiring cheerful anticipation for longer, brighter days. Accompanying this transition is a rise in the sea temperature, signaling an inviting prologue to beach activities.

Temperature

The initiation of March in Portimão sees an average high-temperature of an enjoyable 16.4°C (61.5°F), showing minor variations from the previous month. In Portimão, the month of March brings a consistent average low-temperature of 12°C (53.6°F), slightly cooler than its daytime highs.

Humidity

The average relative humidity in March is 75%.

Rainfall

In Portimão, in March, during 10.5 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Portimão, there are 73.8 rainfall days, and 116mm (4.57") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 16°C (60.8°F), March is the month with the coldest seawater in Portimão.
Note: When the surface water temperature is 16°C (60.8°F), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 21°C (69.8°F).

Daylight

In Portimão, Portugal, the average length of the day in March is 11h and 59min.
On the first day of the month, sunrise is at 07:04 and sunset at 18:28. On the last day of March, sunrise is at 06:20 and sunset at 18:56 WET.

Sunshine

In March, the average sunshine in Portimão, Portugal, is 8.3h.

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 of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 4 in March leads to these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What are March temperatures in Portimão?

During March, Portimão experiences an average high-temperature of 16.4°C (61.5°F) and a low-temperature of 12°C (53.6°F).

What is the average humidity in March in Portimão?

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

How many days does it rain in March in Portimão?

In Portimão, in March, it is raining for 10.5 days, with typically 16mm (0.63") of accumulated precipitation.

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

March is the month with the coldest seawater in Portimão, Portugal, with an average sea temperature of 16°C (60.8°F).

What is the sea temperature in March in Portimão?

In Portimão, the average seawater temperature in March is 16°C (60.8°F). For most, swimming in 16°C (60.8°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Portimão have in March?

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

When are sunrise and sunset in March in Portimão?

In March, on the first day of the month, sunrise is at 07:04 and sunset at 18:28. On the last day of the month, sunrise is at 06:20 and sunset at 18:56 WET.

How long on average sun shines in March in Portimão?

The average sunshine duration in March in Portimão is 8.3h.

When is the lowest UV index in Portimão?

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

How high is the UV index in March in Portimão?

In March, the average daily maximum UV index in Portimão, Portugal, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Average temperature in March
Portimão, Portugal

Average temperature in March - Portimão, Portugal
  • Average high temperature in March: 16.4°C

The warmest month (with the highest average high temperature) is August (26.4°C).
The month with the lowest average high temperature is January (15.2°C).

  • Average low temperature in March: 12°C

The month with the highest average low temperature is August (19.4°C).
The coldest month (with the lowest average low temperature) is February (11°C).

Average pressure in March
Portimão, Portugal

Average pressure in March - Portimão, 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 (1015.6mbar).

Average wind speed in March
Portimão, Portugal

Average wind speed in March - Portimão, Portugal
  • Average wind speed in March: 18.6km/h

The windiest month (with the highest average wind speed) is February (18.7km/h).
The calmest month (with the lowest average wind speed) is September (13.3km/h).

Average humidity in March
Portimão, Portugal

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

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

Average rainfall in March
Portimão, Portugal

Average rainfall in March - Portimão, Portugal
  • Average rainfall in March: 16mm

The wettest month (with the highest rainfall) is November (20mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days in March
Portimão, Portugal

Average rainfall days in March - Portimão, Portugal
  • Average rainfall days in March: 10.5 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (1 days).

Average sea temperature in March
Portimão, Portugal

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

The best month for swimming (with the highest average sea temperature) is September (21.2°C).
The coldest month (with the lowest average sea temperature) is March (16°C).

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

Average daylight in March / Average sunshine in March - Portimão, 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 48min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in March
Portimão, Portugal

Average sunshine days in March - Portimão, Portugal
  • Average sunshine days in March: 18.9 days

The month with the most sunshine days is July (29.5 days).
The month with the least sunshine days is November (17.4 days).

Average UV index in March
Portimão, Portugal

Average UV index in March - Portimão, 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).

Average cloud cover in March
Portimão, Portugal

Average cloud cover in March - Portimão, Portugal
  • Average cloud cover in March: 30

The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 7).

Average visibility in March
Portimão, Portugal

Average visibility in March - Portimão, 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).

Portimão, Portugal

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