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
Santo da Serra, Portugal, commences April with an average high-temperature of a still refreshing 17.9°C (64.2°F), maintaining a close resemblance to the previous month. Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 16.6°C (61.9°F) during April.Humidity
In April, the average relative humidity is 76%.Rainfall
In Santo da Serra, during April, the rain falls for 9.8 days and regularly aggregates up to 15mm (0.59") of precipitation. Throughout the year, there are 105.6 rainfall days, and 190mm (7.48") of precipitation is accumulated.Sea temperature
January through April, with an average sea temperature of 18°C (64.4°F), are months with the coldest seawater in Santo da Serra.Note: A majority do not enjoy swimming in water at 18°C (64.4°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).
Daylight
The average length of the day in April in Santo da Serra is 13h and 0min.On the first day of April, sunrise is at 07:54 and sunset at 20:27. On the last day of the month, sunrise is at 07:20 and sunset at 20:48 WEST.
Sunshine
In April, the average sunshine in Santo da Serra, Portugal, is 8.3h.UV index
The months with the lowest UV index are January through May, November and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 5 in April transforms into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are April temperatures in Santo da Serra?
What is the average humidity in April in Santo da Serra?
How many days does it rain in April in Santo da Serra?
When is the sea coldest in Santo da Serra?
What is the sea water temperature in April in Santo da Serra?
What is the average length of the day in April in Santo da Serra?
What time are sunrise and sunset in April in Santo da Serra?
How long on average sun shines in April in Santo da Serra?
What are the months with the lowest UV index in Santo da Serra?
What is the UV index reading in April in Santo da Serra?
Average temperature in April
Santo da Serra, Portugal
- Average high temperature in April: 17.9°C
The warmest months (with the highest average high temperature) are August and September (22.8°C).
The months with the lowest average high temperature are February and March (17.3°C).
- Average low temperature in April: 16.6°C
The month with the highest average low temperature is September (22.1°C).
The coldest month (with the lowest average low temperature) is March (15.9°C).
Average pressure in April
Santo da Serra, Portugal
- Average pressure in April: 1018.3mbar
The month with the highest atmospheric pressure is January (1024.1mbar).
The month with the lowest atmospheric pressure is October (1017mbar).
Average wind speed in April
Santo da Serra, Portugal
- Average wind speed in April: 20.9km/h
The windiest months (with the highest average wind speed) are February and March (23.8km/h).
The calmest month (with the lowest average wind speed) is September (18.5km/h).
Average humidity in April
Santo da Serra, Portugal
- Average humidity in April: 76%
The month with the highest relative humidity is August (81%).
The months with the lowest relative humidity are January, February and November (73%).
Average rainfall in April
Santo da Serra, Portugal
- Average rainfall in April: 15mm
The wettest month (with the highest rainfall) is October (34mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in April
Santo da Serra, Portugal
- Average rainfall days in April: 9.8 days
The month with the highest number of rainy days is November (14.2 days).
The month with the least rainy days is August (4.3 days).
Average sea temperature in April
Santo da Serra, Portugal
- Average sea temperature in April: 18°C
The best months for swimming (with the highest average sea temperature) are August and September (23°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (18°C).
Average daylight in April /
Average sunshine in April
Santo da Serra, Portugal
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).
Average sunshine days in April
Santo da Serra, Portugal
- Average sunshine days in April: 16.3 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in April
Santo da Serra, Portugal
- Average UV index in April: 5
The months with the highest UV index are June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 5).
Average cloud cover in April
Santo da Serra, Portugal
- Average cloud cover in April: 35
The months with the most cloud cover are January and November (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Santo da Serra, 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).
Santo da Serra, Portugal
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