San Antonio Bay weather
Our guide to the weather in San Antonio Bay during December
We've looked at the most up-to-date weather data for San Antonio Bay, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about San Antonio Bay weather in December.
What's the temperature like in San Antonio Bay during December?
The temperature reaches around 14℃ during the daytime in December, falling away to 5℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in San Antonio Bay during December?
On average, there will be 4 rainy days during the month, amounting to 68.2mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in San Antonio Bay during December?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in December. With cool air temperatures, any breeze will feel cold.
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