Roseau
Dominica
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Roseau, Dominica

A calm, clear waterfront in the valley city of Roseau, Dominica, with mountains afar
A calm, clear waterfront in the valley city of Roseau, Dominica, with mountains afar
March, the first month of the spring, in Roseau, is a hot month, with average temperature varying between 30°C (86°F) and 21°C (69.8°F).

Temperature

In March, the average high-temperature is relatively the same as in February - a hot 30°C (86°F). The average low-temperature, in March, is 21°C (69.8°F).

Rainfall

In Roseau, in March, it is raining for 15 days, with typically 93mm (3.7") of accumulated precipitation. In Roseau, during the entire year, the rain falls for 218 days and collects up to 1996mm (78.6") of precipitation.

Sea temperature

February and March, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater in Roseau.
Note: 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.

Daylight

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

Sunshine

Months with the most sunshine in Roseau, Dominica, are March through August, with an average of 8h of sunshine.

UV index

Months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: In March, the average maximum UV index of 12 translate into the following recommendations:
Take all required precautions, as unprotected skin and eyes can burn in minutes. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in March in Roseau?

In Roseau, in March, the average high-temperature is 30°C (86°F), and the average low-temperature is 21°C (69.8°F).

How many days does it rain in March in Roseau?

In Roseau, in March, during 15 rainfall days, 93mm (3.7") of precipitation is typically accumulated.

When is the sea coldest in Roseau?

Months with the coldest seawater in Roseau, Dominica, are February and March, with an average sea temperature of 26°C (78.8°F).

What is the sea water temperature in March in Roseau?

In Roseau, Dominica, the average seawater temperature in March is 26°C (78.8°F). 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.

How many hours of daylight does Roseau have in March?

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

What is the month with the most sunshine in Roseau?

Months with the most sunshine are March through August, with an average of 8h of sunshine.

How long on average sun shines in March in Roseau?

In Roseau, Dominica, the average sunshine in March is 8h.

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

Months with the highest UV index in Roseau are March through September, with an average maximum UV index of 12.

What is the UV index reading in March in Roseau?

In March, the average daily maximum UV index in Roseau is 12. A UV Index value of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV rays.
Average temperature in March - Roseau, Dominica
  • Average high temperature in March: 30°C

Warmest months (with the highest average high temperature) are May, June, July, August, September and October (31°C).
Months with the lowest average high temperature are January, February and December (29°C).

  • Average low temperature in March: 21°C

The month with the highest average low temperature is August (24°C).
Coldest months (with the lowest average low temperature) are January, February, March and December (21°C).

Average rainfall in March - Roseau, Dominica
  • Average rainfall in March: 93mm

The wettest month (with the highest rainfall) is November (252mm).
Driest months (with the lowest rainfall) are February and April (87mm).

Average rainfall days in March - Roseau, Dominica
  • Average rainfall days in March: 15 days

The month with the highest number of rainy days is September (23 days).
Months with the lowest number of rainy days are February and April (14 days).

Average sea temperature in March - Roseau, Dominica
  • Average sea temperature in March: 26°C

Best months for swimming (with the highest average sea temperature) are September and October (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in March / Average sunshine in March - Roseau, Dominica
  • Average daylight in March: 12.1h

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.2h).

  • Average sunshine in March: 8h

Months with most sunshine are March, April, May, June, July and August (Average sunshine: 8h).
Months with least sunshine are January, February, September, October, November and December (Average sunshine: 7).

Average UV index in March - Roseau, Dominica
  • Average UV index in March: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).