Biyagama Weather in December

Biyagama in December sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 23°C (73°F). With the rainy season in full effect, expect around 192 mm (7.6 in) of rainfall and regular showers throughout the month.

Rainfall in Biyagama in December

As part of the rainy season, Biyagama sees around 10 days of rain in December, with an average of 192 mm (7.6 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.

Temperature in Biyagama in December

December in Biyagama sees highs of 31°C (88°F) and lows of 23°C (73°F) overnight. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in Biyagama in December

There are approximately 217 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

Wind Speed in Biyagama in December

Average wind conditions reach 1 m/s (2 knots) in December. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in December

The water is 27°C (81°F) this month, warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

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