Alajuela Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Alajuela, Costa Rica in December.

Considering a trip to Alajuela, Costa Rica this December and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Alajuela in December

Alajuela, Costa Rica is a region in Costa Rica. December in Alajuela generally has warm temperatures, with precipitation levels ranging from low to heavy.

Temperatures

The average maximum temperatures are warm and range from 24°C (75°F) in Birrí to 29°C (84°F) in Los Chiles. Nighttime temperatures generally drop to 22°C (72°F) in Los Chiles and 16°C (61°F) in Birrí.

For specific regional insights in Alajuela, Costa Rica, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From low rainfall in Playa el Jobo with an average of 25 mm (1 in) to heavy rainfall in Muelle San Carlos with 277 mm (11 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Fortuna enjoys about 233 hours of sunlight, ideal for those seeking sunny weather.

Explore Alajuela by month

Best Places to Visit in Alajuela in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Alajuela.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Alajuela

What is the weather like in December for some of the most popular destinations in Alajuela, Costa Rica?

Temperature range in Alajuela (December)

Precipitation variation in Alajuela (December)

Fortuna

In December Fortuna generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Min temperature
20°C (68°F)
20°C (68°F)
19°C (66°F)
Monthly sun hours
183 hours
233 hours
264 hours
Monthly rainfall
317 mm (12 in)
222 mm (8.7 in)
130 mm (5.1 in)
Monthly rainy days
16 days
14 days
10 days
Weather conditions

Alajuela

In December Alajuela generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 17°C (63°F) and high monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Min temperature
17°C (63°F)
17°C (63°F)
16°C (61°F)
Monthly sun hours
178 hours
244 hours
283 hours
Monthly rainfall
250 mm (9.8 in)
102 mm (4 in)
53 mm (2.1 in)
Monthly rainy days
18 days
15 days
12 days
Weather conditions

El Castillo de La Fortuna

In December El Castillo de La Fortuna generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 20°C (68°F) and high monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
27°C (81°F)
27°C (81°F)
27°C (81°F)
Min temperature
20°C (68°F)
20°C (68°F)
19°C (66°F)
Monthly sun hours
183 hours
233 hours
264 hours
Monthly rainfall
251 mm (9.9 in)
154 mm (6.1 in)
85 mm (3.3 in)
Monthly rainy days
16 days
14 days
10 days
Weather conditions

Bijagua

In December Bijagua generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

November
December
January
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
21°C (70°F)
21°C (70°F)
21°C (70°F)
Monthly sun hours
206 hours
258 hours
295 hours
Monthly rainfall
239 mm (9.4 in)
200 mm (7.9 in)
151 mm (5.9 in)
Monthly rainy days
15 days
13 days
10 days
Weather conditions

Atenas

In December Atenas generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
27°C (81°F)
27°C (81°F)
28°C (82°F)
Min temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Monthly sun hours
177 hours
245 hours
285 hours
Monthly rainfall
279 mm (11 in)
100 mm (3.9 in)
44 mm (1.7 in)
Monthly rainy days
17 days
15 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Alajuela, in Costa Rica.

Popular cities in December

Day & night temperatures, rainfall and average weather in Alajuela in December.

City Weather Day temp Night temp Rainfall
Fortuna 27°C (81°F) 20°C (68°F) 222 mm (8.7 in)
Alajuela 25°C (77°F) 17°C (63°F) 102 mm (4 in)
El Castillo de La Fortuna 27°C (81°F) 20°C (68°F) 154 mm (6.1 in)
Bijagua 28°C (82°F) 21°C (70°F) 200 mm (7.9 in)
Atenas 27°C (81°F) 19°C (66°F) 100 mm (3.9 in)
Grecia 26°C (79°F) 17°C (63°F) 119 mm (4.7 in)

Alajuela weather in December: frequently asked questions

What is the weather like in Alajuela, Costa Rica in December?

December in Alajuela, Costa Rica brings unpleasant weather. In Fortuna, daytime temperatures are typically around 27°C (81°F) and nighttime lows hover near 20°C (68°F).

What is the average temperature in Alajuela, Costa Rica in December?

Average temperatures in Alajuela, Costa Rica during December range from a nighttime low near 20°C (68°F) to a daytime high around 27°C (81°F) in Fortuna.

Does Alajuela, Costa Rica get a lot of rain in December?

Expect plenty of rainfall. Fortuna records an average of 222 mm (8.7 in) in December, putting it among the wetter months for Alajuela, Costa Rica.

Is December a Good Time to Visit Alajuela, Costa Rica?

In our view, December might not be the best time to travel to Alajuela, Costa Rica with often unpleasant weather in Fortuna.

Generally speaking, the best visiting conditions can be found in February and March offering mostly perfect weather in Fortuna. In contrast, May, June, July, August, September, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Alajuela.

Weather and climate has detailed information for every country in the world. Are you going to Costa Rica? Get detailed historical weather averages for many cities in Costa Rica.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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