May weather forecast and climate
El Gallo, Costa Rica

Weather in May

May, the last month of the spring, in El Gallo, is another tropical month, with average temperature varying between 32.9°C (91.2°F) and 24.8°C (76.6°F).

Temperature

In May, the average high-temperature is relatively the same as in April - a still hot 32.9°C (91.2°F). In May, in El Gallo, the average low-temperature is 24.8°C (76.6°F).

Heat index

The average heat index is estimated at an extremely hot 43.6°C (110.5°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

In May, the average relative humidity in El Gallo, Costa Rica, is 71%.

Rainfall

In El Gallo, during May, the rain falls for 22.3 days and regularly aggregates up to 149mm (5.87") of precipitation. Throughout the year, there are 188.5 rainfall days, and 1202mm (47.32") of precipitation is accumulated.

Daylight

In El Gallo, the average length of the day is 12.6h.

Sunshine

The average sunshine in El Gallo is 8.9h.

UV index

January through October and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in El Gallo?

The average high-temperature, in May, in El Gallo, is 32.9°C (91.2°F), while the average low-temperature is 24.8°C (76.6°F). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), that takes the relative humidity and factores it into the air temperature reading, is evaluated at 43.6°C (110.5°F).

What is the average humidity in May in El Gallo?

In El Gallo, Costa Rica, the average relative humidity in May is 71%.

How many days does it rain in May in El Gallo?

In May, the rain falls for 22.3 days. Throughout May, 149mm (5.87") of precipitation is accumulated.

How many hours of daylight does El Gallo have in May?

In El Gallo, the average length of the day in May is 12.6h.

How long on average sun shines in May in El Gallo?

In El Gallo, the average sunshine in May is 8.9h.

When is the highest UV index in El Gallo?

January through October and December, with an average maximum UV index of 7, are months with the highest UV index in El Gallo, Costa Rica.

What is the UV index reading in May in El Gallo?

In El Gallo, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in May
El Gallo, Costa Rica

Average temperature in May - El Gallo, Costa Rica
  • Average high temperature in May: 32.9°C

The warmest month (with the highest average high temperature) is April (34.9°C).
The month with the lowest average high temperature is October (29°C).

  • Average low temperature in May: 24.8°C

The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is January (22°C).

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Average pressure in May
El Gallo, Costa Rica

Average pressure in May - El Gallo, Costa Rica
  • Average pressure in May: 1010.3mbar

The month with the highest atmospheric pressure is January (1011.3mbar).
The month with the lowest atmospheric pressure is October (1010.1mbar).

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Average wind speed in May
El Gallo, Costa Rica

Average wind speed in May - El Gallo, Costa Rica
  • Average wind speed in May: 9.5km/h

The windiest month (with the highest average wind speed) is February (21.4km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).

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Average humidity in May
El Gallo, Costa Rica

Average humidity in May - El Gallo, Costa Rica
  • Average humidity in May: 71%

The month with the highest relative humidity is October (87%).
The month with the lowest relative humidity is April (62%).

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Average rainfall in May
El Gallo, Costa Rica

Average rainfall in May - El Gallo, Costa Rica
  • Average rainfall in May: 149mm

The wettest month (with the highest rainfall) is October (274mm).
The driest month (with the least rainfall) is March (1mm).

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Average rainfall days in May
El Gallo, Costa Rica

Average rainfall days in May - El Gallo, Costa Rica
  • Average rainfall days in May: 22.3 days

The month with the highest number of rainy days is September (27.7 days).
The month with the least rainy days is February (2 days).

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Average daylight in May /
Average sunshine in May
El Gallo, Costa Rica

Average daylight in May / Average sunshine in May - El Gallo, Costa Rica
  • Average daylight in May: 12.6h

Months with the longest days are June and July (Average daylight: 12.7h).
The month with the shortest days is December (Average daylight: 11.5h).

  • Average sunshine in May: 8.9h

The month with the most sunshine is July (Average sunshine: 10.2h).
Months with the least sunshine are January and October (Average sunshine: 7.6).

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Average sunshine days in May
El Gallo, Costa Rica

Average sunshine days in May - El Gallo, Costa Rica
  • Average sunshine days in May: 6.8 days

The month with the most sunshine days is March (28.8 days).
The month with the least sunshine days is September (1.1 days).

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Average UV index in May
El Gallo, Costa Rica

Average UV index in May - El Gallo, Costa Rica
  • Average UV index in May: 7

Months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).

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Average cloud cover in May
El Gallo, Costa Rica

Average cloud cover in May - El Gallo, Costa Rica
  • Average cloud cover in May: 36

The month with the most cloud cover is October (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 10).

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Average visibility in May
El Gallo, Costa Rica

Average visibility in May - El Gallo, Costa Rica
  • Average visibility in May: 10km

Months with the highest visibility are January, February, March, April, May and December (10km).
Months with the lowest visibility are September and October (8km).

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