La Fortuna weather in December 2026

Q: How hot is it in La Fortuna in December?

Daytime temperatures usually reach 23°C in La Fortuna in December, falling to 16°C at night.

Q: How sunny is it in La Fortuna in December?

There are normally 6 hours of bright sunshine each day in La Fortuna in December - that's 55% of daylight hours.

Q: Does it rain in La Fortuna in December?

There are usually 16 days with some rain in La Fortuna in December and the average monthly rainfall is 36mm.

Expect daytime maximum temperatures of 29°C in La Fortuna, Costa Rica in December and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 271 mm of rainfall in the month.

29
29°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
21
21°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
271
271 mm of monthly rainfall
10
10 (Very High) UV index

More about La Fortuna

La Fortuna by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Costa Rica

TUI sale: 10% off 2026/2027 holidays

Discount Code

Save 10% on 2026/2027 holidays in biggest ever TUI sale
Max discount £500. T&Cs apply. £500 min spend
Travel between 1st May 2026 & 31st Oct 2027 (inclusive)

Show discount code

******ALE

Redeem TUI discount code >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUI deal finder

Destination

The December weather guide for Costa Rica (La Fortuna) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about Costa Rica

How hot is it in La Fortuna in December?

Daytime temperatures usually reach 23°C in La Fortuna in December, falling to 16°C at night.

How sunny is it in La Fortuna in December?

There are normally 6 hours of bright sunshine each day in La Fortuna in December - that's 55% of daylight hours.

Does it rain in La Fortuna in December?

There are usually 16 days with some rain in La Fortuna in December and the average monthly rainfall is 36mm.

La Fortuna December sunrise & sunset times

Browse the sunrise and sunset times for La Fortuna in December 2026. Select a month to view La Fortuna sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec