May weather forecast
Rosalie, Dominica

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Weather in May

May carries forward the warming trend from April, with Rosalie, Dominica experiencing a significant rise in temperatures. The most striking feature of May weather lies in its rainfall, which peaks to 46mm (1.81"). The increased rainfall coincides with higher humidity levels, bringing forth a tropical atmosphere. However, the longer sunshine hours balance the increased rainfall and humidity. Such a combination of weather conditions creates a unique setting for wildlife spotting and rainforest exploration.

Temperature

As April transitions into May, the average high-temperature rests at a still warm 27.5°C (81.5°F), maintaining a close resemblance to the previous month. Rosalie marks an average drop to a still moderately hot 25.6°C (78.1°F) during nighttime in May, following the high of the day.

Heat index

May's average heat index is calculated to be a tropical 31°C (87.8°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in May in Rosalie is 77%.

Rainfall

In Rosalie, in May, during 20.3 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Rosalie, during the entire year, the rain falls for 221.9 days and collects up to 570mm (22.44") of precipitation.

Daylight

In May, the average length of the day is 12h and 51min.
On the first day of May in Rosalie, sunrise is at 05:41 and sunset at 18:23. On the last day of the month, sunrise is at 05:33 and sunset at 18:32 AST.

Sunshine

In Rosalie, Dominica, the average sunshine in May is 9.9h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Rosalie are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What are May temperatures in Rosalie?

The high-temperature during May is 27.5°C (81.5°F) and the low-temperature is 25.6°C (78.1°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in May is calculated to be 31°C (87.8°F).

What is the average humidity in May in Rosalie?

The average relative humidity in May in Rosalie is 77%.

How many days does it rain in May in Rosalie?

In Rosalie, Dominica, during May, the rain falls for 20.3 days and regularly aggregates up to 46mm (1.81") of precipitation.

What is the average length of the day in May in Rosalie?

In May, the average day length in Rosalie is 12h and 51min.

What time are sunrise and sunset in May in Rosalie?

On the first day of May in Rosalie, sunrise is at 05:41 and sunset at 18:23. On the last day of the month, sunrise is at 05:33 and sunset at 18:32 AST.

How many hours of sunshine does Rosalie have in May?

The average sunshine duration in May in Rosalie, Dominica, is 9.9h.

When is the highest UV index in Rosalie?

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

What is the month with the lowest UV index in Rosalie?

The 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 May in Rosalie?

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

Average temperature in May
Rosalie, Dominica

Average temperature in May - Rosalie, Dominica
  • Average high temperature in May: 27.5°C

The warmest months (with the highest average high temperature) are August, September and October (28.6°C).
The months with the lowest average high temperature are February and March (26.3°C).

  • Average low temperature in May: 25.6°C

The month with the highest average low temperature is September (27.1°C).
The coldest month (with the lowest average low temperature) is March (24.1°C).

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Average pressure in May
Rosalie, Dominica

Average pressure in May - Rosalie, Dominica
  • Average pressure in May: 1014.9mbar

The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).

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Average wind speed in May
Rosalie, Dominica

Average wind speed in May - Rosalie, Dominica
  • Average wind speed in May: 24.7km/h

The windiest month (with the highest average wind speed) is January (27.2km/h).
The calmest month (with the lowest average wind speed) is October (20.2km/h).

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Average humidity in May
Rosalie, Dominica

Average humidity in May - Rosalie, Dominica
  • Average humidity in May: 77%

The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).

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Average rainfall in May
Rosalie, Dominica

Average rainfall in May - Rosalie, Dominica
  • Average rainfall in May: 46mm

The wettest month (with the highest rainfall) is August (78mm).
The driest month (with the least rainfall) is February (20mm).

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Average rainfall days in May
Rosalie, Dominica

Average rainfall days in May - Rosalie, Dominica
  • Average rainfall days in May: 20.3 days

The month with the highest number of rainy days is October (21.5 days).
The month with the least rainy days is June (14.8 days).

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Average daylight in May /
Average sunshine in May
Rosalie, Dominica

Average daylight in May / Average sunshine in May - Rosalie, Dominica
  • Average daylight in May: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in May
Rosalie, Dominica

Average sunshine days in May - Rosalie, Dominica
  • Average sunshine days in May: 6.3 days

The month with the most sunshine days is March (9.8 days).
The month with the least sunshine days is April (5.9 days).

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Average UV index in May
Rosalie, Dominica

Average UV index in May - Rosalie, Dominica
  • Average UV index in May: 7

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

Average cloud cover in May - Rosalie, Dominica
  • Average cloud cover in May: 43

The months with the most cloud cover are June and July (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 33).

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Average visibility in May
Rosalie, Dominica

Average visibility in May - Rosalie, Dominica
  • Average visibility in May: 10km

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

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Rosalie, Dominica

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