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
The transition into April shows a subtle variation to a still refreshing 17.6°C (63.7°F) from March's 16.1°C (61°F) in the average high-temperature. Oeiras's nighttime temperatures in April display a slight drop from daytime highs, averaging to a still refreshing 13.1°C (55.6°F).Humidity
January, April, July and December, with an average relative humidity of 75%, are the most humid months in Oeiras.Rainfall
In Oeiras, in April, it is raining for 10.7 days, with typically 29mm (1.14") of accumulated precipitation. In Oeiras, during the entire year, the rain falls for 85.8 days and collects up to 215mm (8.46") of precipitation.Daylight
The average length of the day in April 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 Oeiras, sunrise is at 06:40 and sunset at 20:28 WEST.
Sunshine
In April, the average sunshine in Oeiras is 8.8h.UV index
The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in April interprets into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Oeiras?
What are the most humid months in Oeiras?
What is the average humidity in April in Oeiras?
How many days does it rain in April in Oeiras?
How many hours of daylight does Oeiras have in April?
When are sunrise and sunset in April in Oeiras?
How many hours of sunshine does Oeiras have in April?
What is the UV index intensity in April in Oeiras?
Average temperature in April
Oeiras, Portugal
- Average high temperature in April: 17.6°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in April: 13.1°C
The month with the highest average low temperature is August (18.6°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).
Average pressure in April
Oeiras, Portugal
- Average pressure in April: 1015.7mbar
The months with the highest atmospheric pressure are January and December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in April
Oeiras, Portugal
- Average wind speed in April: 17.5km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is October (15.6km/h).
Average humidity in April
Oeiras, Portugal
- Average humidity in April: 75%
The months with the highest relative humidity are January, April, July and December (75%).
The months with the lowest relative humidity are May and October (72%).
Average rainfall in April
Oeiras, Portugal
- Average rainfall in April: 29mm
The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in April
Oeiras, Portugal
- Average rainfall days in April: 10.7 days
The month with the highest number of rainy days is November (12.4 days).
The month with the least rainy days is August (1.9 days).
Average daylight in April /
Average sunshine in April
Oeiras, 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 30min).
Average sunshine days in April
Oeiras, Portugal
- Average sunshine days in April: 17.1 days
The month with the most sunshine days is August (28 days).
The month with the least sunshine days is November (15.6 days).
Average UV index in April
Oeiras, 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
Oeiras, 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
Oeiras, 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).
