March weather forecast
Swansea, United Kingdom

Ending the grasp of winter, March heralds the onset of spring in Swansea. There is a slight increase in daily sunshine hours, illuminating the rejuvenating cityscape. Pointing towards a warming trend, the average high temperature climbs to 9.5°C (49.1°F). March will bring more showers, accumulating to around 73mm (2.87"), often providing nourishment to the blooming flowers across the city.

Temperature

Swansea marks the onset of March with an average high-temperature of a still chilly 9.5°C (49.1°F), subtly divergent from February's 7.8°C (46°F). Swansea observes a slightly reduced average nighttime temperature of 4.8°C (40.6°F) during March.

Rainfall

In Swansea, during March, the rain falls for 18 days and regularly aggregates up to 73mm (2.87") of precipitation. In Swansea, during the entire year, the rain falls for 201 days and collects up to 999mm (39.33") of precipitation.

Sea temperature

With an average sea temperature of 8.3°C (46.9°F), March is the month with the coldest seawater.
Note: It is life-risking to swim in 8.3°C (46.9°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.

Daylight

In Swansea, the average length of the day in March is 11h and 55min.
On the first day of March, sunrise is at 6:59 am and sunset at 5:56 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 6:47 pm GMT.

Sunshine

The average sunshine in March is 4h.

UV index

In March, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during March leads to these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.