Weather in April
Temperature
The arrival of April in Swansea, United Kingdom, records an average high-temperature of a cool 11.9°C (53.4°F), closely related to the 9.5°C (49.1°F) observed in March. During April, the temperature in Swansea is averaged to a low of 6.3°C (43.3°F) at night.Rainfall
The month with the least rainfall in Swansea is April, when the rain falls for 14 days and typically collects 59mm (2.32") of precipitation.Sea temperature
In Swansea, the average seawater temperature in April is 9.6°C (49.3°F).Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
Daylight
In April, the average length of the day in Swansea, United Kingdom, is 13h and 55min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:49 pm. On the last day of April, in Swansea, sunrise is at 5:47 am and sunset at 8:38 pm BST.
Sunshine
In Swansea, the average sunshine in April is 6h.UV index
In Swansea, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Swansea in April?
What is the driest month in Swansea?
How much does it rain in Swansea in April?
How cold is the water in April in Swansea?
How many hours of daylight does Swansea have in April?
When is the sunrise / sunset in April in Swansea?
How many hours of sunshine does Swansea have in April?
How high is the UV index in April in Swansea?
Average temperature in April
Swansea, United Kingdom
- Average high temperature in April: 11.9°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in April: 6.3°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).
Average rainfall in April
Swansea, United Kingdom
- Average rainfall in April: 58.5mm
The wettest month (with the highest rainfall) is October (123.1mm).
The driest month (with the least rainfall) is April (58.5mm).
Average rainfall days in April
Swansea, United Kingdom
- Average rainfall days in April: 14 days
The months with the highest number of rainy days are January, November and December (20 days).
The month with the least rainy days is July (13 days).
Average sea temperature in April
Swansea, United Kingdom
- Average sea temperature in April: 9.6°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in April /
Average sunshine in April
Swansea, United Kingdom
- Average daylight in April: 13h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in April: 6h
The months with the most sunshine are May and June (Average sunshine: 7h).
The months with the least sunshine are January, November and December (Average sunshine: 2h).
Average UV index in April
Swansea, United Kingdom
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 0).
Swansea, United Kingdom
Weather forecast for your location
2. Allow the app to use your location