Guanacaste Weather in June

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

Planning a journey to Guanacaste, Costa Rica this June and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Guanacaste in June

Guanacaste, Costa Rica is a region in Costa Rica. June in Guanacaste generally has temperatures that range from warm to very warm, with heavy precipitation.

Temperatures

During the day temperatures vary from warm in Puerto Coyote at 29°C (84°F) to very warm in Nicoya at 32°C (90°F). At night it cools down to 23°C (73°F) in Nicoya and 25°C (77°F) in Puerto Coyote. 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.

To explore the conditions in Guanacaste, Costa Rica in more detail, check the map below.

Precipitation

In June, precipitation varies across different areas. From heavy rainfall in Puerto Soley with an average of 223 mm (8.8 in) to heavy rainfall in Sámara with 397 mm (16 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Tamarindo gets around 167 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

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 June

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 June for some of the most popular destinations in Guanacaste, Costa Rica?

Temperature range in Guanacaste (June)

Precipitation variation in Guanacaste (June)

Tamarindo

In June Tamarindo generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
June
July
Max temperature
32°C (90°F)
31°C (88°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
204 hours
167 hours
188 hours
Monthly rainfall
242 mm (9.5 in)
286 mm (11 in)
182 mm (7.2 in)
Monthly rainy days
17 days
22 days
20 days
Weather conditions

Coco

In June Coco generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
June
July
Max temperature
32°C (90°F)
31°C (88°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
204 hours
167 hours
188 hours
Monthly rainfall
207 mm (8.1 in)
231 mm (9.1 in)
135 mm (5.3 in)
Monthly rainy days
17 days
23 days
20 days
Weather conditions

Playa Flamingo

In June Playa Flamingo generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
June
July
Max temperature
31°C (88°F)
31°C (88°F)
31°C (88°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
204 hours
167 hours
188 hours
Monthly rainfall
217 mm (8.5 in)
247 mm (9.7 in)
151 mm (5.9 in)
Monthly rainy days
17 days
23 days
20 days
Weather conditions

Sámara

In June Sámara generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
June
July
Max temperature
30°C (86°F)
30°C (86°F)
30°C (86°F)
Min temperature
25°C (77°F)
24°C (75°F)
24°C (75°F)
Monthly rainfall
359 mm (14 in)
397 mm (16 in)
329 mm (13 in)
Monthly rainy days
17 days
22 days
20 days
Weather conditions

Playa Grande

In June Playa Grande generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

May
June
July
Max temperature
32°C (90°F)
31°C (88°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
204 hours
167 hours
188 hours
Monthly rainfall
237 mm (9.3 in)
278 mm (11 in)
175 mm (6.9 in)
Monthly rainy days
17 days
23 days
20 days
Weather conditions

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

In our records: Costa Rica June extremes

Notable June records observed across cities in Costa Rica in our climate database (1994 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest June night in Costa Rica dropped to 10°C (50°F) in San José on June 5, 2013.

Popular cities in June

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

City Weather Day temp Night temp Rainfall
Tamarindo 31°C (88°F) 25°C (77°F) 286 mm (11 in)
Coco 31°C (88°F) 25°C (77°F) 231 mm (9.1 in)
Playa Flamingo 31°C (88°F) 26°C (79°F) 247 mm (9.7 in)
Sámara 30°C (86°F) 24°C (75°F) 397 mm (16 in)
Playa Grande 31°C (88°F) 25°C (77°F) 278 mm (11 in)
Nosara 30°C (86°F) 25°C (77°F) 383 mm (15 in)

Guanacaste weather in June: frequently asked questions

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

June in Guanacaste, Costa Rica brings less favorable weather. In Tamarindo, daytime temperatures are typically around 31°C (88°F) and nighttime lows hover near 25°C (77°F).

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

Daytime temperatures in Tamarindo peak at roughly 31°C (88°F) in June, dropping to about 25°C (77°F) overnight.

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

Expect plenty of rainfall. Tamarindo records an average of 286 mm (11 in) in June, putting it among the wetter months for Guanacaste, Costa Rica.

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

In our opinion, June may not be the ideal time to visit Guanacaste, Costa Rica due to the typically less favorable weather in Tamarindo.

On average, the best time to visit Guanacaste, Costa Rica is in January and December with generally very good weather in Tamarindo. On the other hand, the months of May, June, July, August, September and October tend to have less favorable 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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