May weather forecast
Quepos, Costa Rica

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Weather in May

May marks the onset of the rainy season in Quepos, seeing a substantial increment in precipitation recorded with a value of 268mm (10.55"). The prevailing weather turns wetter, with the number of rainy days reaching 30, while temperatures remain consistently warm. It's a time when the landscape of the city transforms, becoming lush and vibrant. The increased rainfall stimulates the growth of vegetation, giving life to the flora and fauna in the region.

Temperature

May observes an average high-temperature of a still warm 27.1°C (80.8°F), marking an insignificant difference from April's 28.4°C (83.1°F). In the month of May, an average of 21.8°C (71.2°F) marks the low-temperature.

Heat index

Throughout May, the heat index is estimated at a hot 30°C (86°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

In May, the average relative humidity is 82%.

Rainfall

In Quepos, during May, the rain falls for 30 days and regularly aggregates up to 268mm (10.55") of precipitation. In Quepos, Costa Rica, during the entire year, the rain falls for 290 days and collects up to 2270mm (89.37") of precipitation.

Sea temperature

In Quepos, Costa Rica, the average seawater temperature in May is 29.1°C (84.4°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

The average length of the day in May is 12h and 34min.
On the first day of May in Quepos, sunrise is at 05:19 and sunset at 17:47. On the last day of the month, sunrise is at 05:15 and sunset at 17:53 CST.

Sunshine

The average sunshine in May in Quepos is 8.3h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index in Quepos are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 6 during May leads to these instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Warning! The reflection of sand and water increases the UV dose.
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Frequently asked questions

What are the temperatures in Quepos in May?

In Quepos, 27.1°C (80.8°F) is the average high-temperature and 21.8°C (71.2°F) is the average low-temperature during May. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in May is estimated at 30°C (86°F).

What is the average humidity in May in Quepos?

In May, the average relative humidity in Quepos, Costa Rica, is 82%.

How many days does it rain in May in Quepos?

In May, in Quepos, Costa Rica, the rain falls for 30 days. Throughout May, 268mm (10.55") of precipitation is accumulated.

How warm is the water in May in Quepos?

In Quepos, Costa Rica, in May, the average water temperature is 29.1°C (84.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Quepos have in May?

The average day length in May in Quepos, Costa Rica, is 12h and 34min.

When is the sunrise / sunset in May in Quepos?

In May, on the first day of the month, sunrise is at 05:19 and sunset at 17:47. On the last day of the month, sunrise is at 05:15 and sunset at 17:53 CST.

How long on average sun shines in May in Quepos?

The average sunshine duration in May in Quepos, Costa Rica, is 8.3h.

What is the month with the highest UV index in Quepos?

The months with the highest UV index in Quepos, Costa Rica, are January through December, with an average maximum UV index of 6.

What is the month with the lowest UV index in Quepos?

January through December, with an average maximum UV index of 6, are months with the lowest UV index in Quepos.

What is the UV index intensity in May in Quepos?

In Quepos, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.

Average temperature in May
Quepos, Costa Rica

Average temperature in May - Quepos, Costa Rica
  • Average high temperature in May: 27.1°C

The warmest month (with the highest average high temperature) is March (29.3°C).
The month with the lowest average high temperature is October (25.3°C).

  • Average low temperature in May: 21.8°C

The month with the highest average low temperature is April (21.9°C).
The coldest months (with the lowest average low temperature) are January, February and December (20.5°C).

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Average pressure in May
Quepos, Costa Rica

Average pressure in May - Quepos, Costa Rica
  • Average pressure in May: 1011.1mbar

The month with the highest atmospheric pressure is January (1011.8mbar).
The months with the lowest atmospheric pressure are October and November (1010.9mbar).

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Average wind speed in May
Quepos, Costa Rica

Average wind speed in May - Quepos, Costa Rica
  • Average wind speed in May: 5.5km/h

The windiest months (with the highest average wind speed) are February and March (7.6km/h).
The calmest month (with the lowest average wind speed) is June (5.2km/h).

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Average humidity in May
Quepos, Costa Rica

Average humidity in May - Quepos, Costa Rica
  • Average humidity in May: 82%

The months with the highest relative humidity are September and October (86%).
The months with the lowest relative humidity are February and March (68%).

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Average rainfall in May
Quepos, Costa Rica

Average rainfall in May - Quepos, Costa Rica
  • Average rainfall in May: 268mm

The wettest month (with the highest rainfall) is October (440mm).
The driest month (with the least rainfall) is February (18mm).

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Average rainfall days in May
Quepos, Costa Rica

Average rainfall days in May - Quepos, Costa Rica
  • Average rainfall days in May: 30 days

The month with the highest number of rainy days is October (30.5 days).
The month with the least rainy days is February (9.7 days).

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Average sea temperature in May
Quepos, Costa Rica

Average sea temperature in May - Quepos, Costa Rica
  • Average sea temperature in May: 29.1°C

The best month for swimming (with the highest average sea temperature) is March (29.7°C).
The coldest month (with the lowest average sea temperature) is November (27.7°C).

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Average daylight in May /
Average sunshine in May
Quepos, Costa Rica

Average daylight in May / Average sunshine in May - Quepos, Costa Rica
  • Average daylight in May: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is February (Average sunshine: 9h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).

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Average sunshine days in May
Quepos, Costa Rica

Average sunshine days in May - Quepos, Costa Rica
  • Average sunshine days in May: 0.7 days

The month with the most sunshine days is February (13.7 days).
The month with the least sunshine days is September (0.2 days).

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Average UV index in May
Quepos, Costa Rica

Average UV index in May - Quepos, Costa Rica
  • Average UV index in May: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).

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Average cloud cover in May
Quepos, Costa Rica

Average cloud cover in May - Quepos, Costa Rica
  • Average cloud cover in May: 43

The month with the most cloud cover is October (Cloud cover 49).
The month with the least cloud cover is February (Cloud cover 15).

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Average visibility in May
Quepos, Costa Rica

Average visibility in May - Quepos, Costa Rica
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).

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Quepos, Costa Rica

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