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
April's arrival brings an average high-temperature of a still refreshing 18.6°C (65.5°F), slightly deviating from March's 17.3°C (63.1°F). During April, Arrentela consistently records a temperature low averaging a fresh 12.4°C (54.3°F).Humidity
In April, the average relative humidity is 73%.Rainfall
In April, the rain falls for 7.4 days. Throughout April, 9mm (0.35") of precipitation is accumulated. In Arrentela, during the entire year, the rain falls for 54.2 days and collects up to 61mm (2.4") of precipitation.Sea temperature
In Arrentela, in April, the average water temperature is 16.3°C (61.3°F).Note: For swimming, a surface water temperature of 16.3°C (61.3°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).
Daylight
The average length of the day in April in Arrentela is 13h and 14min.On the first day of the month, sunrise is at 07:20 and sunset at 20:00. On the last day of April, in Arrentela, sunrise is at 06:39 and sunset at 20:27 WEST.
Sunshine
In April, the average sunshine is 8.8h.UV index
In April, the average daily maximum UV index in Arrentela is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during April leads to these advisories:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in April in Arrentela?
What is the average humidity in April in Arrentela?
How many days does it rain in April in Arrentela?
What is the sea temperature in April in Arrentela?
What is the average length of the day in April in Arrentela?
What time are sunrise and sunset in April in Arrentela?
How long on average sun shines in April in Arrentela?
What is the UV index reading in April in Arrentela?
Average temperature in April
Arrentela, Portugal
- Average high temperature in April: 18.6°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 April: 12.4°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 April
Arrentela, Portugal
- Average pressure in April: 1015.7mbar
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 April
Arrentela, Portugal
- Average wind speed in April: 15km/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 April
Arrentela, Portugal
- Average humidity in April: 73%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (68%).
Average rainfall in April
Arrentela, Portugal
- Average rainfall in April: 9mm
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 April
Arrentela, Portugal
- Average rainfall days in April: 7.4 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 sea temperature in April
Arrentela, Portugal
- Average sea temperature in April: 16.3°C
The best month for swimming (with the highest average sea temperature) is September (19.9°C).
The coldest month (with the lowest average sea temperature) is March (15.1°C).
Average daylight in April /
Average sunshine in April
Arrentela, Portugal
- Average daylight in April: 13h and 1min
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 April: 8h and 5min
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 April
Arrentela, Portugal
- Average sunshine days in April: 21.1 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 April
Arrentela, Portugal
- Average UV index in April: 5
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 April
Arrentela, Portugal
- Average cloud cover in April: 34
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 April
Arrentela, 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).
Arrentela, Portugal
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