Sinton Weather in May

The climate in Sinton during May can be summarized as hot, humid and a little damp.

May is in the spring in Sinton and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 21°C (69°F) is normal.

On average May is the 2nd wettest month of the year in Sinton with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sinton in May 2025.