In March the weather in Paphos is sunny and moderate with average daytime temperature around 22°C. The winter is over and the weather in warmer with many sunny days and mostly calm sea.
The seawater temperature is not high enough but you can still swim for a few minutes and certainty you can enjoy sunbathing.
1. Average weather in March
March weather: Sunny but not hot. The perfect weather!
Sunny days: 90% of the days will be sunny.
Rain: On average 2 rainy days. Rains for 1-2 hours.
Day Temperature: 25-35 °C
Swimming: Water temperature 22-26 °C
Sunset: The sun sets at 18:30
2. Paphos temperature in March
During the day the temperature is 18-28 °C and it drops to 15-25 at night. The chance of rain is less that 5%. The sun sets at 18:30. The weather at Troodos mountains is a bit colder with temperatures of 15-25 °C and 5-6 rainy days in March.

3. What clothes to wear in March
You will mostly use your summer clothes. At day time you will probably wear shorts, t-shirt, swimming suit etc. You should also have a sweater and a pair of pants for the night or in case the weather turns a bit cooler than normal. Sunglasses and sunblock is necessary for the beach. Below are a few photos I have taken during March so that you can get a better idea of the weather and what most people wear.

4. Going to the beach in March
The sea water temperature at Paphos is 22-24 °C in March,

5. Sleeping at night
For sleeping you do not need to use the A/C or have the windows open. The room temperature is comfortable and a piece of sheet is enough. Mosquitoes will not bother you in March.
6.Paphos things to do in March
Enjoy the beach. Sunbathing and swimming.
Paphos wine festival
The Mediterranean climate of Cyprus ensures a pleasant and warm March with the coming spring bringing the best out of everyone, people and nature itself. You may find trips to the mountains as well as strolling across the local beaches to be an exhilarating experience for both body and mind as the weather in Cyprus during this part of the year is still relatively fresh. Beaches are relatively uncrowned and visiting them for a peaceful swim usually is a must for visitors especially from northern courtiers such as the Scandinavian region, Russia the UK etc. - average sea temperature is 17°C (63.4°F).
Many events are held during March of which the International Marathon in Limassol takes advantage of the perfect weather conditions for running long distances. During March wildflowers and all sorts of other vegetation begin to bloom all over Cyprus and the Almond trees put on their wedding dresses, preparing for the long and feast full summer.
Due to these delightful weather conditions during March many festivals and outdoor activities are always around to corner for the most demanding of visitors. In March you would expect the sun to be shining for more than an average of 10 hours a day.