Guanacaste Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Guanacaste, Costa Rica in January.

Thinking about venturing to Guanacaste, Costa Rica this January and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Guanacaste in January

Guanacaste, Costa Rica is a region in Costa Rica. January in Guanacaste generally has temperatures that range from warm to very warm, with precipitation levels ranging from almost none to moderate.

Temperatures

During the day the temperature is warm in Nuevo Arenal at 28°C (82°F) and very warm in Nicoya at 33°C (91°F). As night falls, temperatures generally drop to 22°C (72°F) in Nicoya and 20°C (68°F) in Nuevo Arenal. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

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

Precipitation

In January, precipitation varies across different areas. From almost no rainfall in Coco with an average of 4 mm (0.2 in) to moderate rainfall in Nuevo Arenal with 90 mm (3.5 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Tamarindo enjoys about 295 hours of sunlight, ideal for those seeking sunny weather.

Explore Guanacaste by month

Pick a month to see the average temperature, rainfall and sunshine in Guanacaste — and find the best time to visit. (based on Tamarindo)

Best Places to Visit in Guanacaste in January

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

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 Guanacaste

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

Temperature range in Guanacaste (January)

Precipitation variation in Guanacaste (January)

Tamarindo

In January Tamarindo generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (75°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
31°C (88°F)
32°C (90°F)
33°C (91°F)
Min temperature
24°C (75°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
258 hours
295 hours
275 hours
Monthly rainfall
14 mm (0.6 in)
4.2 mm (0.2 in)
3.5 mm (0.1 in)
Monthly rainy days
10 days
7 days
5 days
Weather conditions

Coco

In January Coco generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
30°C (86°F)
31°C (88°F)
31°C (88°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
258 hours
295 hours
275 hours
Monthly rainfall
12 mm (0.5 in)
4 mm (0.2 in)
3 mm (0.1 in)
Monthly rainy days
10 days
7 days
5 days
Weather conditions

Playa Flamingo

In January Playa Flamingo generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
31°C (88°F)
31°C (88°F)
32°C (90°F)
Min temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
258 hours
295 hours
275 hours
Monthly rainfall
12 mm (0.5 in)
4.1 mm (0.2 in)
3.1 mm (0.1 in)
Monthly rainy days
10 days
7 days
5 days
Weather conditions

Sámara

In January Sámara generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
30°C (86°F)
31°C (88°F)
32°C (90°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly rainfall
49 mm (1.9 in)
16 mm (0.6 in)
12 mm (0.5 in)
Monthly rainy days
11 days
8 days
6 days
Weather conditions

Playa Grande

In January Playa Grande generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (75°F) and almost no monthly rainfall. So on average the conditions are perfect that month.

December
January
February
Max temperature
31°C (88°F)
32°C (90°F)
32°C (90°F)
Min temperature
25°C (77°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
258 hours
295 hours
275 hours
Monthly rainfall
14 mm (0.6 in)
4.1 mm (0.2 in)
3.3 mm (0.1 in)
Monthly rainy days
10 days
7 days
5 days
Weather conditions

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

Popular cities in January

Day & night temperatures, rainfall and average weather in Guanacaste in January.

City Weather Day temp Night temp Rainfall
Tamarindo 32°C (90°F) 24°C (75°F) 4.2 mm (0.2 in)
Coco 31°C (88°F) 24°C (75°F) 4 mm (0.2 in)
Playa Flamingo 31°C (88°F) 25°C (77°F) 4.1 mm (0.2 in)
Sámara 31°C (88°F) 24°C (75°F) 16 mm (0.6 in)
Playa Grande 32°C (90°F) 24°C (75°F) 4.1 mm (0.2 in)
Nosara 32°C (90°F) 24°C (75°F) 13 mm (0.5 in)

Guanacaste weather in January: frequently asked questions

What is the weather like in Guanacaste, Costa Rica in January?

In January, Guanacaste, Costa Rica generally has pleasant weather conditions. Tamarindo sees daytime temperatures near 32°C (90°F), with nights cooling to roughly 24°C (75°F).

What is the average temperature in Guanacaste, Costa Rica in January?

Daytime temperatures in Tamarindo peak at roughly 32°C (90°F) in January, dropping to about 24°C (75°F) overnight.

Does Guanacaste, Costa Rica get a lot of rain in January?

January is on the drier side in Guanacaste, Costa Rica. Tamarindo averages only about 4.2 mm (0.2 in), with most days staying dry.

Is January a Good Time to Visit Guanacaste, Costa Rica?

We consider January to be one of the best times to travel to Guanacaste, Costa Rica. Typically, the climate in Tamarindo is perfect.

Generally speaking, the best visiting conditions can be found in January and December offering mostly pleasant weather in Tamarindo. On the other hand, the months of May, June, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Guanacaste.

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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