Santa Tecla Weather in December

December in Santa Tecla sees daytime temperatures around 15°C (59°F) and lows of 10°C (50°F) at night. With around 103 mm (4.1 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Santa Tecla in December

Past climate data indicates that roughly 11 days will see rain, totalling around 103 mm (4.1 in) for the month. 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 Santa Tecla in December

In December, Santa Tecla gets moderate temperatures, with highs of 15°C (59°F). Nights cool to around 10°C (50°F). December is part of winter. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Santa Tecla in December

The area experiences a moderate amount of sunshine, with approximately 139 hours of sunlight expected. This means a decent mix of sun and overcast.

Average water temperature in December

At 17°C (63°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Santa Tecla. Our weather planner can help you explore destinations with more pleasant weather conditions.