San Antonio Bay Weather in December

December in San Antonio Bay typically sees daytime highs of 17°C (63°F) and nighttime lows of 12°C (54°F). Expect some rainfall during the month. It falls within the winter season.

Rainfall in San Antonio Bay in December

Records from the past 30 years suggest around 13 days of rain, with 39 mm (1.5 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in San Antonio Bay in December

Temperatures in San Antonio Bay in December top out at 17°C (63°F) and drop to 12°C (54°F) overnight. During December, the winter season is in full swing. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 12°C (54°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 December

With about 152 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Average water temperature in December

The water temperature is 17°C (63°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

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.

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For a detailed overview over the year and the best time to visit Spain, check out our San Antonio Bay's climate page.

San Antonio Bay Temperature in December

Min Temperature 12°C (54°F)  

Max Temperature 17°C (63°F)  

Water Temperature 17°C (63°F) *  

Chance of Rain 44%  

Precipitation 39 mm (1.5 in)  

Rainy days 13 days  

Humidity 74% *  

Sunshine 152 hours *  

Percentage Sunshine 55% *  

* Data from: Ibiza, Spain (13 KM, 8 Miles).

What to Wear in San Antonio Bay in December

Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket. The water temperature sits at about 17°C (63°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in San Antonio Bay in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Spain, check out our San Antonio Bay's climate page.

More climate data for San Antonio Bay

Temperature Rainfall Sunshine Humidity Water Temp

See the full San Antonio Bay climate overview or explore weather in Spain.