March weather forecast and climate
Chiles, Costa Rica

Weather in March

The first month of the spring, March, is still a warm month in Chiles, Costa Rica, with average temperature ranging between min 17.9°C (64.2°F) and max 29.7°C (85.5°F).

Temperature

The warmest months are March and April, with an average high-temperature of 29.7°C (85.5°F).

Heat index

In March, the average heat index is appraised at a hot 34.3°C (93.7°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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 'felt air temperature', 'real feel', 'apparent temperature', or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, wind). 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. 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.

Humidity

March is the least humid month, with an average relative humidity of 70%.

Rainfall

In March, the rain falls for 14.5 days. Throughout March, 21mm (0.83") of precipitation is accumulated. In Chiles, during the entire year, the rain falls for 272 days and collects up to 2217mm (87.28") of precipitation.

Daylight

In Chiles, Costa Rica, the average length of the day in March is 12.1h.

Sunshine

March has the most sunshine of the year in Chiles, with an average of 9.4h of sunshine.

UV index

January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: In March, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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.
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FAQ

What is the warmest month in Chiles?

March and April, with an average high-temperature of 29.7°C (85.5°F), are warmest months in Chiles.

What is the temperature in March in Chiles?

The average high-temperature, in March, in Chiles, is 29.7°C (85.5°F), while the average low-temperature is 17.9°C (64.2°F). In March, the average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines air temperature and relative humidity, is calculated to 34.3°C (93.7°F).

What is the least humid month in Chiles?

March is the least humid month in Chiles, with an average relative humidity of 70%.

What is the average humidity in March in Chiles?

The average relative humidity in March in Chiles is 70%.

How many days does it rain in March in Chiles?

In March, in Chiles, Costa Rica, the rain falls for 14.5 days. Throughout March, 21mm (0.83") of precipitation is accumulated.

What is the average length of the day in March in Chiles?

In March, the average length of the day in Chiles, Costa Rica, is 12.1h.

What month has the most sunshine in Chiles?

March has the most sunshine of the year in Chiles, with an average of 9.4h of sunshine.

How long on average sun shines in March in Chiles?

The average sunshine in March is 9.4h.

What are the months with the highest UV index in Chiles?

January through April, June, July, September, October and December, with an average maximum UV index of 6, are months with the highest UV index in Chiles.

What is the UV index reading in March in Chiles?

The average daily maximum UV index in March in Chiles is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation.

Average temperature in March
Chiles, Costa Rica

Average temperature in March - Chiles, Costa Rica
  • Average high temperature in March: 29.7°C

The warmest months (with the highest average high temperature) are March and April (29.7°C).
The month with the lowest average high temperature is October (25.4°C).

  • Average low temperature in March: 17.9°C

The month with the highest average low temperature is May (19.8°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).

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Average pressure in March
Chiles, Costa Rica

Average pressure in March - Chiles, Costa Rica
  • Average pressure in March: 1011.9mbar

The month with the highest atmospheric pressure is January (1012.1mbar).
The month with the lowest atmospheric pressure is October (1010.7mbar).

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Average wind speed in March
Chiles, Costa Rica

Average wind speed in March - Chiles, Costa Rica
  • Average wind speed in March: 9.5km/h

The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is September (3.8km/h).

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Average humidity in March
Chiles, Costa Rica

Average humidity in March - Chiles, Costa Rica
  • Average humidity in March: 70%

The month with the highest relative humidity is October (89%).
The month with the lowest relative humidity is March (70%).

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Average rainfall in March
Chiles, Costa Rica

Average rainfall in March - Chiles, Costa Rica
  • Average rainfall in March: 21mm

The wettest month (with the highest rainfall) is October (396mm).
The driest month (with the least rainfall) is February (17mm).

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Average rainfall days in March
Chiles, Costa Rica

Average rainfall days in March - Chiles, Costa Rica
  • Average rainfall days in March: 14.5 days

The month with the highest number of rainy days is October (30.2 days).
The month with the least rainy days is February (10.3 days).

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Average daylight in March /
Average sunshine in March
Chiles, Costa Rica

Average daylight in March / Average sunshine in March - Chiles, Costa Rica
  • Average daylight in March: 12.1h

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 March: 9.4h

The month with the most sunshine is March (Average sunshine: 9.4h).
The month with the least sunshine is October (Average sunshine: 7h).

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Average sunshine days in March
Chiles, Costa Rica

Average sunshine days in March - Chiles, Costa Rica
  • Average sunshine days in March: 14.6 days

The month with the most sunshine days is January (16.7 days).
The month with the least sunshine days is September (0.5 days).

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Average UV index in March
Chiles, Costa Rica

Average UV index in March - Chiles, Costa Rica
  • Average UV index in March: 6

Months with the highest UV index are January, February, March, April, June, July, September, October and December (UV index 6).
Months with the lowest UV index are May, August and November (UV index 5).

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Average cloud cover in March
Chiles, Costa Rica

Average cloud cover in March - Chiles, Costa Rica
  • Average cloud cover in March: 23

The month with the most cloud cover is October (Cloud cover 54).
The month with the least cloud cover is February (Cloud cover 19).

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Average visibility in March
Chiles, Costa Rica

Average visibility in March - Chiles, Costa Rica
  • Average visibility in March: 10km

Months with the highest visibility are February and March (10km).
Months with the lowest visibility are August, September, October and November (7km).

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