March weather forecast and climate
Cartagena, Costa Rica

Weather in March

The first month of the spring, March, is still a hot month in Cartagena, Costa Rica, with average temperature ranging between max 32.4°C (90.3°F) and min 23.9°C (75°F).

Temperature

In Cartagena, the average high-temperature is relatively the same as in February - a still tropical 32.4°C (90.3°F). The average low-temperature, in March, is 23.9°C (75°F).

Heat index

The average heat index in March is calculated to be a torrid 39.7°C (103.5°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 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', 'felt air temperature', 'feels like', or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, metabolic differences, clothing). 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

March and April, with an average relative humidity of 65%, are the least humid months.

Rainfall

Months with the least rainfall are February and March Rain falls for 1.8 days and accumulates 1mm (0.04") of rain.

Daylight

The average length of the day in March is 12.1h.

Sunshine

In Cartagena, the average sunshine is 9.9h.

UV index

Months with the highest UV index are January through December, with an average maximum UV index of 7. Months with the lowest UV index in Cartagena are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 7 in March transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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 March in Cartagena?

In Cartagena, in March, the average high-temperature is 32.4°C (90.3°F), and the average low-temperature is 23.9°C (75°F). In March, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 39.7°C (103.5°F).

What is the least humid month in Cartagena?

Months with the lowest humidity are March and April, with an average relative humidity of 65%.

What is the average humidity in March in Cartagena?

In Cartagena, Costa Rica, the average relative humidity in March is 65%.

What is the driest month in Cartagena?

Months with the least rainfall in Cartagena are February and March Rain falls for 1.8 days and accumulates 1mm (0.04") of rain.

How many days does it rain in March in Cartagena?

In Cartagena, during March, the rain falls for 1.8 days and regularly aggregates up to 1mm (0.04") of precipitation.

How many hours of daylight does Cartagena have in March?

In Cartagena, the average length of the day in March is 12.1h.

How many hours of sunshine does Cartagena have in March?

In Cartagena, the average sunshine in March is 9.9h.

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

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

When is the lowest UV index in Cartagena?

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

What is the UV index reading in March in Cartagena?

In Cartagena, Costa Rica, the average daily maximum UV index in March is 7. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in March
Cartagena, Costa Rica

Average temperature in March - Cartagena, Costa Rica
  • Average high temperature in March: 32.4°C

The warmest month (with the highest average high temperature) is April (33.4°C).
The month with the lowest average high temperature is October (28.7°C).

  • Average low temperature in March: 23.9°C

The month with the highest average low temperature is May (25.8°C).
The coldest month (with the lowest average low temperature) is January (23°C).

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Average pressure in March
Cartagena, Costa Rica

Average pressure in March - Cartagena, Costa Rica
  • Average pressure in March: 1010.8mbar

The month with the highest atmospheric pressure is January (1011.1mbar).
The month with the lowest atmospheric pressure is October (1010.1mbar).

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Average wind speed in March
Cartagena, Costa Rica

Average wind speed in March - Cartagena, Costa Rica
  • Average wind speed in March: 19.5km/h

The windiest month (with the highest average wind speed) is February (21.9km/h).
The calmest month (with the lowest average wind speed) is September (7.9km/h).

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Average humidity in March
Cartagena, Costa Rica

Average humidity in March - Cartagena, Costa Rica
  • Average humidity in March: 65%

The month with the highest relative humidity is October (84%).
Months with the lowest relative humidity are March and April (65%).

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Average rainfall in March
Cartagena, Costa Rica

Average rainfall in March - Cartagena, Costa Rica
  • Average rainfall in March: 1mm

The wettest month (with the highest rainfall) is October (177mm).
The driest months (with the least rainfall) are February and March (1mm).

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Average rainfall days in March
Cartagena, Costa Rica

Average rainfall days in March - Cartagena, Costa Rica
  • Average rainfall days in March: 1.8 days

The month with the highest number of rainy days is October (22.5 days).
The month with the least rainy days is February (0.8 days).

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

Average daylight in March / Average sunshine in March - Cartagena, 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: 9.9h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 7.6h).

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Average sunshine days in March
Cartagena, Costa Rica

Average sunshine days in March - Cartagena, Costa Rica
  • Average sunshine days in March: 30.1 days

The month with the most sunshine days is March (30.1 days).
The month with the least sunshine days is October (7 days).

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Average UV index in March
Cartagena, Costa Rica

Average UV index in March - Cartagena, Costa Rica
  • Average UV index in March: 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 March
Cartagena, Costa Rica

Average cloud cover in March - Cartagena, Costa Rica
  • Average cloud cover in March: 10

The month with the most cloud cover is October (Cloud cover 43).
The month with the least cloud cover is February (Cloud cover 9).

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Average visibility in March
Cartagena, Costa Rica

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

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

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