The temperatures in Costa Rica in December are comfortable with low of 15°C and and high up to 23°C.
You can expect rain for roughly half of the month of December in Costa Rica. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Costa Rica in December 2024.
If you’re planning to visit Costa Rica in the near future, we highly recommend that you review the 14 day weather forecast for Costa Rica before you arrive.