Waterford, where it's located

The climate of Waterford is oceanic, with quite cold, rainy winters and mild, relatively rainy summers.
The city is located on the coast of south-eastern Ireland.
The average temperature of the coldest month (January) is of 5.7 °C (42 °F), that of the warmest month (July) is of 16.2 °C (61 °F). Here are the average temperatures.
Waterford - Average temperatures
Min (°C)3345810121210854
Max (°C)891113161820201814119
Min (°F)373739414650545450464139
Max (°F)464852556164686864575248

Precipitation amounts to 905 millimeters (35.6 inches) per year: so, it is at an intermediate level. It ranges from 50 mm (2 in) in the driest month (July) to 110 mm (4.3 in) in the wettest (October). Here is the average precipitation.
Waterford - Average precipitation

On average, there are around 1,580 sunshine hours per year. By Irish standards, the city is sunny (the south-east is in fact the sunniest part of Ireland). Here are the average sunshine hours per day.
Waterford - Sunshine

The sea temperature ranges between 9 °C (48 °F) and 16 °C (61 °F). So, it never becomes warm for swimming. Here are the average sea temperatures.
Waterford - Sea temperature
Temp (°C)109991114161616141211
Temp (°F)504848485257616161575452


Best Time

The best time to visit Waterford is the summer, from June to August, since it is the mildest of the year. The temperatures are generally good for outdoors activities, although it's better to bring an umbrella, and a sweatshirt or sweater for the evening or for cool days.