Saint Augustine Beach Weather in December
In Saint Augustine Beach, December brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 12°C (54°F). Expect quite a bit of rainfall this month.
Rainfall in Saint Augustine Beach in December
Historically, approximately 8 days this month are expected to have rain, averaging 77 mm (3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Saint Augustine Beach in December
December tends to be one of the perfect months in Saint Augustine Beach, with 21°C (70°F) in the afternoon and 12°C (54°F) overnight. December is typically considered a winter month. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Augustine Beach's climate page.
Saint Augustine Beach Temperature in December
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
26%
Precipitation
77 mm (3 in)
Rainy days
8 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Augustine Beach typically stay consistent throughout December, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Saint Augustine Beach in December
Browse day-by-day weather records for Saint Augustine Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Augustine Beach historical weather extremes in December
Based on 49 years of weather observations in Saint Augustine Beach between 1976 and 2025, these are the recorded extremes.
- The warmest day in December was on December 4, 1978, with a maximum of 29°C (84°F).
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Saint Augustine Beach in December
For Saint Augustine Beach in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Saint Augustine Beach in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Augustine Beach's climate page.
See the full Saint Augustine Beach climate overview or explore weather in the United States of America.
