San Antonio Bay Weather in May

Thinking of visiting San Antonio Bay in May? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 17°C (63°F) at night, with some rainfall likely.

Rainfall in San Antonio Bay in May

Analyzing past climate data, one can expect approximately 8 days of rain, averaging 22 mm (0.9 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in San Antonio Bay in May

May is a good time to be in San Antonio Bay. Days are excellent, reaching 23°C (73°F), with nights around 17°C (63°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in San Antonio Bay in May

Expect a lot of sunshine this month, with about 275 hours of sun. These sunny conditions add to the overall experience.

Average water temperature in May

At 19°C (66°F), the water is getting there, comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, June, September, October and November typically offer the best weather for San Antonio Bay.