Sea Isle Weather in December

December in Sea Isle brings moderate temperatures around 18°C (64°F) during the day, dropping to 10°C (50°F) at night, with quite a bit of rainfall expected, averaging around 83 mm (3.3 in) for the month.

Rainfall in Sea Isle in December

Analyzing past climate data, one can expect approximately 9 days of rain, averaging 83 mm (3.3 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Sea Isle in December

Daytime highs in Sea Isle in December reach 18°C (64°F), with nights around 10°C (50°F). The winter season is characteristic of December. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 10°C (50°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.

Sunshine in Sea Isle in December

The month experiences a moderate amount of sunlight, with 151 hours of sunshine. This provides a nice balance between sunshine and clouds.

If you prefer enjoying temperate temperatures and rain-free days, March, April, May and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Sea Isle's climate page.

Sea Isle Temperature in December

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 31%  

Precipitation 83 mm (3.3 in)  

Rainy days 9 days  

Sunshine 151 hours *  

Percentage Sunshine 48% *  

* Data from: Galveston, the United States of America (30 KM, 18 Miles).

What to Wear in Sea Isle 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Sea Isle 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

8/10

Outdoor sports

9/10

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 the United States of America, check out our Sea Isle's climate page.

More climate data for Sea Isle

Temperature Rainfall Sunshine

See the full Sea Isle climate overview or explore weather in the United States of America.