May weather forecast
Morne Longue, Grenada

May

Weather in May

May in Morne Longue welcomes a pronounced increase in heat, with temperatures reaching 27.1°C (80.8°F) at the lowest. The rise in temperature is matched by a simultaneous increase in humidity. Rainfall also notices a significant break, rising to an annual high at 35mm (1.38"), symbolizing the inception of the rainy season. Despite the increased rainfall, the city maintains 10.2 hours of sunshine, which remains relatively high for the season. Though the wind speed stays at 27.9km/h (17.3mph), it provides a refreshing respite from the heightened heat.

Temperature

The transition into May marks the average high-temperature at a still warm 27.8°C (82°F), differing minimally from April's 27.3°C (81.1°F). May nights reveal a minor deviation from daytime highs, with a mean low-temperature of 27.1°C (80.8°F).

Heat index

During May, the heat index is evaluated at a tropical 31°C (87.8°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

May through July, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Morne Longue, during May, the rain falls for 18.9 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 249.7 rainfall days, and 774mm (30.47") of precipitation is accumulated.

Snowfall

In Morne Longue, snow does not fall in January through August, October through December.

Daylight

The average length of the day in May in Morne Longue is 12h and 41min.
On the first day of May, sunrise is at 05:46 and sunset at 18:20. On the last day of the month, sunrise is at 05:40 and sunset at 18:28 AST.

Sunshine

In May, the average sunshine is 10.2h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In May, the maximum UV index of 7 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What is the temperature in May?
May temperatures vary between a high-temperature of 27.8°C (82°F) and a low-temperature of 27.1°C (80.8°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in May is evaluated at 31°C (87.8°F).
What are the most humid months?
The months with the highest humidity are May through July, with an average relative humidity of 79%.
What is the average humidity in May?
The average relative humidity in May is 79%.
How many days does it rain in May?
In Morne Longue, in May, during 18.9 rainfall days, 35mm (1.38") of precipitation is typically accumulated.
When it does not snow in Morne Longue?
January through August, October through December are months without snowfall.
How many hours of daylight does Morne Longue have in May?
The average day length in May is 12h and 41min.
When is the sunrise / sunset in May?
On the first day of May, sunrise is at 05:46 and sunset at 18:20. On the last day of the month, sunrise is at 05:40 and sunset at 18:28 AST.
How many hours of sunshine does Morne Longue have in May?
In May, the average sunshine duration is 10.2h.
When is the highest UV index?
The months with the highest UV index in Morne Longue are January through December, with an average maximum UV index of 7.
When is the lowest UV index in Morne Longue?
January through December, with an average maximum UV index of 7, are months with the lowest UV index.
What is the UV index intensity in May?
In Morne Longue, the average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Morne Longue, Grenada
  • Average high temperature in May: 27.8°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.7°C).

  • Average low temperature in May: 27.1°C

The month with the highest average low temperature is September (28.1°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).

Average pressure in May
Morne Longue, Grenada
  • Average pressure in May: 1013.5mbar

The month with the highest atmospheric pressure is June (1014.2mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).

Average wind speed in May
Morne Longue, Grenada
  • Average wind speed in May: 27.9km/h

The windiest month (with the highest average wind speed) is February (29.9km/h).
The calmest month (with the lowest average wind speed) is September (21.6km/h).

Average humidity in May
Morne Longue, Grenada
  • Average humidity in May: 79%

The months with the highest relative humidity are May, June and July (79%).
The months with the lowest relative humidity are January, February and September (76%).

Average rainfall in May
Morne Longue, Grenada
  • Average rainfall in May: 35mm

The wettest month (with the highest rainfall) is October (122mm).
The driest month (with the least rainfall) is February (26mm).

Average rainfall days in May
Morne Longue, Grenada
  • Average rainfall days in May: 18.9 days

The month with the highest number of rainy days is August (25.1 days).
The month with the least rainy days is April (16 days).

Average snowfall days in May
Morne Longue, Grenada
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

Average daylight in May /
Average sunshine in May
Morne Longue, Grenada
  • Average daylight in May: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

Average sunshine days in May
Morne Longue, Grenada
  • Average sunshine days in May: 5.2 days

The month with the most sunshine days is March (7.8 days).
The month with the least sunshine days is August (3.3 days).

Average UV index in May
Morne Longue, Grenada
  • 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).

Average cloud cover in May
Morne Longue, Grenada
  • Average cloud cover in May: 41

The months with the most cloud cover are June, July and November (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 35).

Average visibility in May
Morne Longue, Grenada
  • 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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