San Antonio Bay Weather in January

January in San Antonio Bay brings moderate temperatures, with highs of 16°C (61°F) and nights dropping to 11°C (52°F). Expect some rainfall, with around 34 mm (1.3 in) typical for the month.

Rainfall in San Antonio Bay in January

Expect around 14 days of rain based on historical data, with 34 mm (1.3 in) average. 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 January

January in San Antonio Bay brings moderate temperatures, with highs of 16°C (61°F) and nights around 11°C (52°F). During January, you'll experience the winter season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. This month typically has the coolest temperatures of the year, yet they remain enjoyable and warm.

Sunshine in San Antonio Bay in January

You can expect a moderate amount of sunlight, with approximately 164 hours. This means a pleasant mix of sun and overcast.

Average water temperature in January

With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit San Antonio Bay. Our weather planner can help you explore destinations with more pleasant weather conditions.