April weather forecast and climate
Herradura, Costa Rica

Weather in April

April, the same as March, in Herradura, Costa Rica, is another hot spring month, with average temperature varying between 30.4°C (86.7°F) and 26.2°C (79.2°F).

Temperature

With an average high-temperature of 30.4°C (86.7°F) and an average low-temperature of 26.2°C (79.2°F), April is the warmest month.

Heat index

The average heat index is evaluated at a very hot 36.3°C (97.3°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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 'apparent temperature', 'feels like', 'felt air temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, wind, metabolic differences), 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 especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. 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 Herradura, the average relative humidity is 71%.

Rainfall

In Herradura, in April, during 20.3 rainfall days, 68mm (2.68") of precipitation is typically accumulated. In Herradura, during the entire year, the rain falls for 236.2 days and collects up to 1501mm (59.09") of precipitation.

Sea temperature

Months with the warmest seawater in Herradura are March through August, with an average sea temperature of 29°C (84.2°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The average length of the day in Herradura, Costa Rica, is 12.4h.

Sunshine

The average sunshine in April is 9.4h.

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Herradura. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the warmest month in Herradura?

With an average high-temperature of 30.4°C (86.7°F) and an average low-temperature of 26.2°C (79.2°F), April is the warmest month in Herradura, Costa Rica.

What is the temperature in April in Herradura?

In Herradura, in April, the average high-temperature is 30.4°C (86.7°F), and the average low-temperature is 26.2°C (79.2°F). In April, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, is appraised at 36.3°C (97.3°F).

What is the average humidity in April in Herradura?

In Herradura, the average relative humidity in April is 71%.

How much does it rain in Herradura in April?

In April, in Herradura, the rain falls for 20.3 days. Throughout April, 68mm (2.68") of precipitation is accumulated.

When is the sea warmest in Herradura?

March through August, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Herradura, Costa Rica.

What is the water temperature in April in Herradura?

In Herradura, Costa Rica, the average seawater temperature in April is 29°C (84.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the average length of the day in April in Herradura?

In April, the average length of the day in Herradura is 12.4h.

How many hours of sunshine does Herradura have in April?

In April, the average sunshine is 9.4h.

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

January through December, with an average maximum UV index of 7, are months with the highest UV index in Herradura.

What are the months with the lowest UV index in Herradura?

Months with the lowest UV index in Herradura, Costa Rica, are January through December, with an average maximum UV index of 7.

What is the UV index reading in April in Herradura?

In April, the average daily maximum UV index in Herradura, Costa Rica, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in April
Herradura, Costa Rica

Average temperature in April - Herradura, Costa Rica
  • Average high temperature in April: 30.4°C

The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is October (28.1°C).

  • Average low temperature in April: 26.2°C

Months with the highest average low temperature are April and May (26.2°C).
The coldest month (with the lowest average low temperature) is January (24.5°C).

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Average pressure in April
Herradura, Costa Rica

Average pressure in April - Herradura, Costa Rica
  • Average pressure in April: 1010.8mbar

The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

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Average wind speed in April
Herradura, Costa Rica

Average wind speed in April - Herradura, Costa Rica
  • Average wind speed in April: 9km/h

The windiest month (with the highest average wind speed) is March (9.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).

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Average humidity in April
Herradura, Costa Rica

Average humidity in April - Herradura, Costa Rica
  • Average humidity in April: 71%

Months with the highest relative humidity are June and October (80%).
Months with the lowest relative humidity are February and March (68%).

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Average rainfall in April
Herradura, Costa Rica

Average rainfall in April - Herradura, Costa Rica
  • Average rainfall in April: 68mm

The wettest month (with the highest rainfall) is October (383mm).
The driest month (with the least rainfall) is February (11mm).

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Average rainfall days in April
Herradura, Costa Rica

Average rainfall days in April - Herradura, Costa Rica
  • Average rainfall days in April: 20.3 days

The month with the highest number of rainy days is October (26.1 days).
The month with the least rainy days is February (7.8 days).

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Average sea temperature in April
Herradura, Costa Rica

Average sea temperature in April - Herradura, Costa Rica
  • Average sea temperature in April: 29°C

The best months for swimming (with the highest average sea temperature) are March, April, May, June, July and August (29°C).
The coldest months (with the lowest average sea temperature) are January, February, September, October, November and December (28°C).

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Average daylight in April /
Average sunshine in April
Herradura, Costa Rica

Average daylight in April / Average sunshine in April - Herradura, Costa Rica
  • Average daylight in April: 12.4h

The month with the longest days is June (Average daylight: 12.7h).
Months with the shortest days are January and December (Average daylight: 11.6h).

  • Average sunshine in April: 9.4h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is October (Average sunshine: 8.1h).

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Average sunshine days in April
Herradura, Costa Rica

Average sunshine days in April - Herradura, Costa Rica
  • Average sunshine days in April: 7.9 days

The month with the most sunshine days is March (18.6 days).
The month with the least sunshine days is May (4.3 days).

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Average UV index in April
Herradura, Costa Rica

Average UV index in April - Herradura, Costa Rica
  • Average UV index in April: 7

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

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Average cloud cover in April
Herradura, Costa Rica

Average cloud cover in April - Herradura, Costa Rica
  • Average cloud cover in April: 26

The month with the most cloud cover is October (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 13).

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Average visibility in April
Herradura, Costa Rica

Average visibility in April - Herradura, Costa Rica
  • Average visibility in April: 10km

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

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