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 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
April
Weather in April
Temperature
On the advent of April, Altares's average high-temperature exhibits a minor adjustment to a comfortable 16°C (60.8°F) from March's 15.6°C (60.1°F). Altares experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 14.9°C (58.8°F) throughout April.Humidity
The average relative humidity in April is 80%.Rainfall
In Altares, during April, the rain falls for 17.4 days and regularly aggregates up to 53mm (2.09") of precipitation. In Altares, during the entire year, the rain falls for 178 days and collects up to 543mm (21.38") of precipitation.Daylight
The average length of the day in April in Altares is 13h and 14min.On the first day of April in Altares, Portugal, sunrise is at 07:32 and sunset at 20:12. On the last day of the month, sunrise is at 06:51 and sunset at 20:40 +00.
Sunshine
The average sunshine in April in Altares is 6.9h.UV index
The months with the lowest UV index are February through April and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Altares in April?
What is the average humidity in April in Altares?
How much does it rain in Altares in April?
How many hours of daylight does Altares have in April?
When are sunrise and sunset in April in Altares?
How long on average sun shines in April in Altares?
When is the lowest UV index in Altares?
What is the UV index intensity in April in Altares?
Average temperature in April
Altares, Portugal
- Average high temperature in April: 16°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is March (15.6°C).
- Average low temperature in April: 14.9°C
The month with the highest average low temperature is August (21.6°C).
The coldest months (with the lowest average low temperature) are February and March (14.3°C).
Average pressure in April
Altares, Portugal
- Average pressure in April: 1019.4mbar
The month with the highest atmospheric pressure is July (1024.4mbar).
The month with the lowest atmospheric pressure is October (1016.7mbar).
Average wind speed in April
Altares, Portugal
- Average wind speed in April: 26.1km/h
The windiest month (with the highest average wind speed) is December (29.6km/h).
The calmest month (with the lowest average wind speed) is July (16.4km/h).
Average humidity in April
Altares, Portugal
- Average humidity in April: 80%
The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are September, October and November (78%).
Average rainfall in April
Altares, Portugal
- Average rainfall in April: 53mm
The wettest month (with the highest rainfall) is December (91mm).
The driest month (with the least rainfall) is July (15mm).
Average rainfall days in April
Altares, Portugal
- Average rainfall days in April: 17.4 days
The month with the highest number of rainy days is October (19.9 days).
The month with the least rainy days is July (9.6 days).
Average daylight in April /
Average sunshine in April
Altares, 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: 6h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in April
Altares, Portugal
- Average sunshine days in April: 9.2 days
The month with the most sunshine days is July (16.3 days).
The month with the least sunshine days is October (6.3 days).
Average UV index in April
Altares, Portugal
- Average UV index in April: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are February, March, April and December (UV index 4).
Average cloud cover in April
Altares, Portugal
- Average cloud cover in April: 51
The month with the most cloud cover is November (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in April
Altares, 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).
