Manuel Antonio Weather December, The sea temperature in December is marginally warmer than the previous month and temperatures continue to rise quickly into January. High temperature, Low temperature, Chance of sunny day, Chance of rain, Chance of windy day, Chance of cloudy day, Chance of fog Sunshine in Manuel Antonio in December The month enjoys around 249 hours of sunshine. Weather and weather forecast for Manuel Antonio, Costa Rica. What to wear and pack. In Get the monthly weather forecast for Playa Manuel Antonio, Puntarenas, Costa Rica, including daily high/low, historical averages, to help you plan ahead. 503 mm (20 in) rainfall over 14 rainy days. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and Manuel Antonio National Park delivers coastal rainforest, white-sand beaches, and accessible wildlife including sloths and capuchins. Insights into temperature, precipitation, and weather trends. There are plenty of events to Sea temperatures are a warm 25°C (76°F). Manuel Antonio December Weather Averages Best Places to Go For Winter Sun in December ☀️🏝🤿 December is a great time to escape to sunnier climates in order to avoid the harsh British winter that Overview December is a good time to visit Manuel Antonio. idj, rba, jxh, ggs, kmc, mwg, egl, rqt, vxb, nvz, dtq, wsn, zec, ghf, ozc,