March weather forecast and climate
Jaffna, Sri Lanka

Weather in March

The first month of the spring, March, is still a warm month in Jaffna, Sri Lanka, with average temperature fluctuating between 26.7°C (80.1°F) and 29.3°C (84.7°F).
An excellent water temperature of 28.7°C (83.7°F) and only 5.8 rainfall days, with 13mm (0.51") of accumulated rainfall, makes March a prime for swimming and other water activities.

Temperature

In Jaffna, the average high-temperature in March is practically the same as in February - a still warm 29.3°C (84.7°F). The average low-temperature, in March, is 26.7°C (80.1°F).

Heat index

In March, the average heat index is appraised at a hot 34.4°C (93.9°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 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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, metabolic differences, differences in body mass, height, and shape, and pregnancy affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.

Humidity

The least humid month in Jaffna is March, with an average relative humidity of 75%.

Rainfall

March is the month with the least rainfall. Rain falls for 5.8 days and accumulates 13mm (0.51") of precipitation.

Sea temperature

In Jaffna, the average seawater temperature is 28.7°C (83.7°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 March is 12.1h.

Sunshine

The average sunshine in March is 9.6h.

UV index

Months with the highest UV index in Jaffna, Sri Lanka, are January through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: In March, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in March in Jaffna?

In March, the average high-temperature is 29.3°C (84.7°F), and the average low-temperature is 26.7°C (80.1°F). In March, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is appraised at 34.4°C (93.9°F).

What is the least humid month in Jaffna?

With an average relative humidity of 75%, March is the least humid month.

What is the average humidity in March in Jaffna?

In March, the average relative humidity is 75%.

What is the driest month in Jaffna?

March is the month with the least rainfall in Jaffna, Sri Lanka. Rain falls for 5.8 days and accumulates 13mm (0.51") of precipitation.

How much does it rain in Jaffna in March?

In Jaffna, Sri Lanka, in March, it is raining for 5.8 days, with typically 13mm (0.51") of accumulated precipitation.

How warm is the water in March in Jaffna?

In Jaffna, Sri Lanka, in March, the average water temperature is 28.7°C (83.7°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.

How many hours of daylight does Jaffna have in March?

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

How long on average sun shines in March in Jaffna?

In Jaffna, Sri Lanka, the average sunshine in March is 9.6h.

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

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

How high is the UV index in March in Jaffna?

In Jaffna, the average daily maximum UV index in March is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV radiation.

Average temperature in March
Jaffna, Sri Lanka

Average temperature in March - Jaffna, Sri Lanka
  • Average high temperature in March: 29.3°C

The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is January (26.8°C).

  • Average low temperature in March: 26.7°C

The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).

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Average pressure in March
Jaffna, Sri Lanka

Average pressure in March - Jaffna, Sri Lanka
  • Average pressure in March: 1010.7mbar

The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).

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Average wind speed in March
Jaffna, Sri Lanka

Average wind speed in March - Jaffna, Sri Lanka
  • Average wind speed in March: 16.7km/h

The windiest month (with the highest average wind speed) is June (33.8km/h).
The calmest months (with the lowest average wind speed) are March and April (16.7km/h).

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Average humidity in March
Jaffna, Sri Lanka

Average humidity in March - Jaffna, Sri Lanka
  • Average humidity in March: 75%

Months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (75%).

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Average rainfall in March
Jaffna, Sri Lanka

Average rainfall in March - Jaffna, Sri Lanka
  • Average rainfall in March: 13mm

The wettest month (with the highest rainfall) is October (191mm).
The driest month (with the least rainfall) is March (13mm).

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Average rainfall days in March
Jaffna, Sri Lanka

Average rainfall days in March - Jaffna, Sri Lanka
  • Average rainfall days in March: 5.8 days

The month with the highest number of rainy days is October (22.6 days).
The month with the least rainy days is March (5.8 days).

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Average sea temperature in March
Jaffna, Sri Lanka

Average sea temperature in March - Jaffna, Sri Lanka
  • Average sea temperature in March: 28.7°C

The best month for swimming (with the highest average sea temperature) is April (30.1°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).

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Average daylight in March /
Average sunshine in March
Jaffna, Sri Lanka

Average daylight in March / Average sunshine in March - Jaffna, Sri Lanka
  • Average daylight in March: 12.1h

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 March: 9.6h

The month with the most sunshine is June (Average sunshine: 11.6h).
The month with the least sunshine is December (Average sunshine: 5.5h).

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Average sunshine days in March
Jaffna, Sri Lanka

Average sunshine days in March - Jaffna, Sri Lanka
  • Average sunshine days in March: 23.9 days

The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is November (6.3 days).

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Average UV index in March
Jaffna, Sri Lanka

Average UV index in March - Jaffna, Sri Lanka
  • Average UV index in March: 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 March
Jaffna, Sri Lanka

Average cloud cover in March - Jaffna, Sri Lanka
  • Average cloud cover in March: 16

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).

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Average visibility in March
Jaffna, Sri Lanka

Average visibility in March - Jaffna, Sri Lanka
  • 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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