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.