Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
A minimal variation is noted in Portimão's average high-temperature at the onset of April, reaching a still enjoyable 17.9°C (64.2°F) from March's 16.4°C (61.5°F). A modest decline from daytime high temperatures in Portimão, Portugal, is noticed in April, marking the average low at a mild 13.3°C (55.9°F).Humidity
April is the most humid month in Portimão, with an average relative humidity of 76%.Rainfall
In Portimão, in April, during 9.3 rainfall days, 15mm (0.59") of precipitation is typically accumulated. In Portimão, during the entire year, the rain falls for 73.8 days and collects up to 116mm (4.57") of precipitation.Sea temperature
In April, the average sea temperature is 17.1°C (62.8°F).Note: Most people do not find pleasure in swimming when the water temperature is 17.1°C (62.8°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in April is 13h and 10min.On the first day of April, sunrise is at 07:18 and sunset at 19:56. On the last day of the month, sunrise is at 06:39 and sunset at 20:22 WEST.
Sunshine
The average sunshine in April in Portimão is 9.2h.UV index
The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during April leads to these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Portimão in April?
What is the most humid month in Portimão?
What is the average humidity in April in Portimão?
How much does it rain in Portimão in April?
What is the sea temperature in April in Portimão?
What is the average length of the day in April in Portimão?
What time are sunrise and sunset in April in Portimão?
How many hours of sunshine does Portimão have in April?
What is the UV index reading in April in Portimão?
Average temperature in April
Portimão, Portugal
- Average high temperature in April: 17.9°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 April: 13.3°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 April
Portimão, Portugal
- Average pressure in April: 1015.6mbar
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 April
Portimão, Portugal
- Average wind speed in April: 17.2km/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 April
Portimão, Portugal
- Average humidity in April: 76%
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is August (68%).
Average rainfall in April
Portimão, Portugal
- Average rainfall in April: 15mm
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 April
Portimão, Portugal
- Average rainfall days in April: 9.3 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 April
Portimão, Portugal
- Average sea temperature in April: 17.1°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 April /
Average sunshine in April
Portimão, Portugal
- Average daylight in April: 13h and 1min
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 April: 9h and 1min
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 April
Portimão, Portugal
- Average sunshine days in April: 18.3 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 April
Portimão, Portugal
- Average UV index in April: 5
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 April
Portimão, Portugal
- Average cloud cover in April: 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 April
Portimão, Portugal
- Average visibility in April: 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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