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
At the onset of April, Castro Marim records an average high-temperature of a still comfortable 18.7°C (65.7°F), showing little deviation from the preceding month. During April, Castro Marim experiences an average low-temperature of 13°C (55.4°F) at night.Humidity
In Castro Marim, the average relative humidity in April is 73%.Rainfall
The wettest months in Castro Marim are April and November, with an average 15mm (0.59") of rainfall.Daylight
In Castro Marim, Portugal, the average length of the day in April is 13h and 10min.On the first day of the month, sunrise is at 07:14 and sunset at 19:52. On the last day of April, sunrise is at 06:35 and sunset at 20:18 WEST.
Sunshine
In April, the average sunshine in Castro Marim, Portugal, is 9.5h.UV index
In Castro Marim, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In April, the maximum UV index of 5 suggests these recommendations:
Be vigilant - Preventing sunburn is recommended. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Castro Marim?
What is the average humidity in April in Castro Marim?
What is the rainiest month in Castro Marim?
How many days does it rain in April in Castro Marim?
How many hours of daylight does Castro Marim have in April?
When is the sunrise / sunset in April in Castro Marim?
How many hours of sunshine does Castro Marim have in April?
What is the UV index intensity in April in Castro Marim?
Average temperature in April
Castro Marim, Portugal
- Average high temperature in April: 18.7°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (14.9°C).
- Average low temperature in April: 13°C
The month with the highest average low temperature is August (20.4°C).
The coldest month (with the lowest average low temperature) is February (10.3°C).
Average pressure in April
Castro Marim, Portugal
- Average pressure in April: 1015.3mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The months with the lowest atmospheric pressure are April and August (1015.3mbar).
Average wind speed in April
Castro Marim, Portugal
- Average wind speed in April: 16.3km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is September (12.2km/h).
Average humidity in April
Castro Marim, Portugal
- Average humidity in April: 73%
The month with the highest relative humidity is January (74%).
The months with the lowest relative humidity are July and August (60%).
Average rainfall in April
Castro Marim, Portugal
- Average rainfall in April: 15mm
The wettest months (with the highest rainfall) are April and November (15mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in April
Castro Marim, Portugal
- Average rainfall days in April: 8.4 days
The month with the highest number of rainy days is April (8.4 days).
The month with the least rainy days is August (0.8 days).
Average daylight in April /
Average sunshine in April
Castro Marim, 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 3min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in April
Castro Marim, Portugal
- Average sunshine days in April: 20 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is April (20 days).
Average UV index in April
Castro Marim, 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
Castro Marim, Portugal
- Average cloud cover in April: 29
The months with the most cloud cover are January and April (Cloud cover 29).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in April
Castro Marim, 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).
