During the week of 30 June 2025 - 6 July 2025, temperatures averaged at 29 °C (84 °F) during the day and dropped to 25 °C (77 °F) at night. These temperatures are slightly below the long-time average for Flamingo, being 32 °C (90 °F) for daily temperatures and 23 °C (73 °F) for night temperatures. The average temperatures observed during different times of day (based on local time) were as below: 7am 26 °C (79 °F), 10am 28 °C (82 °F), 1pm 29 °C (84 °F), 4pm 28 °C (82 °F), 7pm 26 °C (79 °F), 10pm 26 °C (79 °F).

There were 5 days without rain, 1 day with light rain and 1 day with moderate rain during this week. During the whole week, total of 10 mm (0.39 in) of precipitation was observed, which is below the long term average for Flamingo, which is 43 mm (1.69 in). On average, the cloud coverage during daylight hours (from dawn to dusk) was 86 %.

The wind's speed averaged 3.0 m/s. The prevailing winds blew from the East. The air pressure was 1007 hpa - 1014 hpa. On average, the air humidity in Flamingo was 82 %.

During the daytime (from dawn to dusk), there were in average: 0.5 hours clear skies, 2 hours partially overcast skies, 11 hours overcast skies and 1 hour rainy weather. The sunrise on average occurred at 05:25, and the sunset occurred at 18:08.

Weather overview

Flamingo, Costa Rica, is renowned for its tropical climate. Throughout the year, daytime temperatures typically range from a balmy 31 °C (88 °F) in October to a sizzling 36 °C (96 °F) in April. The driest month is March, with a scant 1 day of rain, while September proves to be the wettest month, registering 17 days of rainfall. Sea temperature reaches a toasty 29 °C (84 °F) in May, ideal for water activities, and dips to its lowest of 28 °C (82 °F) come February. As night falls, the warmest evenings are in May with 23 °C (73 °F), and the coolest nights are in January at 21 °C (70 °F).

January weather

The daytime temperature in Flamingo rises, reaching 34 °C (92 °F), while January brings the lowest nighttime temperatures. Rainy days continue decreasing, hitting 1 day, alongside a decrease in rainfall amount to 1 mm (0.03 in). Wind speeds peak this month at 5, but tourists keep arriving.

February weather

February in Flamingo sees a continued rise in daytime temperatures, now averaging 35 °C (94 °F), while the sea temperature is at its lowest for the year. Rainfall plummets to a minimum. The extended dry season is palpable, complimented by an increase in cloudless sunshine hours, tallying at 8 hours.

March weather

March ushers in a further increase in daytime temperature to 35 °C (96 °F) in Flamingo, and nights start warming up. The frequency of rainy days hits a yearly low this month. The tourist influx remains notable, and the maximal sun hours astound, reaching an impressive 8 hours. A dip in humidity can be noted, measuring 72 %.

April weather

April marks the zenith of tourist season in Flamingo, and the dry months are still in full swing. Daytime warmth hits an annual high at 36 °C (96 °F) as sea temperatures start their ascent, registering at 29 °C (84 °F). A slight uptick in rainy days to 3 days signifies the onset of change.

May weather

A transition to the tourist off-season begins in May. Daytime heat slightly lessens, settling at 34 °C (93 °F), while the sea reaches its highest temperature. Rainfall intensifies, hitting 207 mm (8.14 in), and nights are at their warmest. Sunlight starts to dwindle, decreasing to a daily average of 7 hours.

June weather

Amidst the ongoing tourist season, June in Flamingo is characterised by a rise in both rainy days, now at 13 days, and rainfall amount, which soars to 253 mm (9.94 in). The descent in daytime warmth is noticeable, cooling to 32 °C (90 °F). The sun's presence diminishes further, averaging 5 hours per day.

July weather

The initial decline in rainy days emerges in July, tallying 11 days in Flamingo, accompanied by a downward trend in rainfall, which registers at 118 mm (4.64 in). The high tourist season nearly reaches its peak, and sunshine starts to make a gradual comeback, amounting to 6 hours per day.

August weather

As Flamingo braces for August, rainy days start to increment once more, reaching 13 days, with an increase in rainfall to 170 mm (6.68 in). The onset of dwindling sun hours remains in effect, now at 5 hours. The tourist season's tail end approaches.

September weather

September in Flamingo marks the beginning of cooler days as the daytime temperature dials back to 32 °C (89 °F). The wet season's commencement is underscored by a surge in rainfall volume, while the maximum count of rainy days is observed at 17 days. Wind speeds relax to their lowest levels.

October weather

The continuation of the wet season persists in October. The chill in the air is more apparent as daytime temperatures bottom out. The heaviest rains are recorded this month, accumulating to 320 mm (12.61 in), though the onset of declining rainy days is noted. The minimal sun hours and peak humidity set a distinct atmosphere.

November weather

With the tourist season starting anew in November, so does a rise in daytime temperatures. The trend of decreasing rainfall is evident, and a steady reduction in rainy days supports this trend, evident by a reading of 8 days. Sunshine hours optimistically climb, represented by 6 hours of clear skies.

December weather

December's imminent tourist season in Flamingo accompanies a fall in the number of rainy days, bottoming out at 3 days, along with a respective decrease in rainfall volume, notched at 8 mm (0.33 in). Daytime highs experience a mild uptick compared to the previous month, set at 33 °C (91 °F), while nighttime chill subtly sets in.

What's the average number of hours of sunshine per day in Flamingo during January?

In January, Flamingo enjoys about 7 hours of sunshine per day.

How many days of rain does Flamingo typically see in February?

February is exceptionally dry in Flamingo, with barely 1 day of rainfall.

What is the relative humidity in Flamingo during March?

March in Flamingo brings a low relative humidity of approximately 72 %

How humid is it in Flamingo in April?

In April, Flamingo's relative humidity averages 74 %

What's the maximum sea temperature in Flamingo?

Expect the sea temperature in Flamingo to peak at 29 °C (84 °F) in May.

How much does the daytime temperature decrease in Flamingo during June?

In June, daytime temperatures in Flamingo drop to a still-warm 32 °C (90 °F)

What is the wind speed like in Flamingo in July?

Wind speeds in July are moderate, averaging 3

Is the rainfall increasing or decreasing in Flamingo during August?

Rainfall in Flamingo sees a rise during August, with rainfall amounting to 170 mm (6.68 in).

How does the daylight duration change in Flamingo in September?

In September, daylight hours in Flamingo begin to shorten, reducing to 12 hours per day.

What's the trend for rainfall in Flamingo during October?

October in Flamingo sees the highest rainfall, reaching 320 mm (12.61 in), though rainy days start to decrease.

Is November less rainy compared to the wet season in Flamingo?

Absolutely, November shows a downtrend in rainy days in Flamingo, logging only 8 days.

How does the sea temperature change in Flamingo in December?

The sea temperature in Flamingo remains quite warm in December, averaging 28 °C (82 °F).