May weather forecast
Greiggs, Saint Vincent and the Grenadines

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Weather in May

Weather in May brings a considerable amount of unpredictability to the forecast. Leading into the rainy season, the city experiences an uptick in rainfall, registering at 18mm (0.71"), along with a relative increase in humidity. However, complementing this are long, sunny hours resulting in a balance in the city's weather conditions. Notwithstanding the imminent stormy intervals, daylight remains abundant. The blend of these elements presents May as an intriguing period of transition in the city's weather trends.

Temperature

May's presence marks an average high-temperature of a still moderately hot 27.8°C (82°F), subtly varied from April's 27.1°C (80.8°F). Greiggs records a consistent average nighttime temperature of 26.9°C (80.4°F) in May, slightly lower than the daytime high.

Heat index

May's average heat index is calculated to be a hot 31°C (87.8°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

May through July, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Greiggs, during May, the rain falls for 14.4 days and regularly aggregates up to 18mm (0.71") of precipitation. In Greiggs, during the entire year, the rain falls for 164.4 days and collects up to 289mm (11.38") of precipitation.

Daylight

In Greiggs, Saint Vincent and the Grenadines, the average length of the day in May is 12h and 44min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:20. On the last day of May, sunrise is at 05:36 and sunset at 18:28 AST.

Sunshine

In Greiggs, the average sunshine in May is 10.1h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 7 in May translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

What is the average May temperature?

Greiggs in May has an average high-temperature of 27.8°C (82°F) and an average low-temperature of 26.9°C (80.4°F). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in May is calculated to be 31°C (87.8°F).

What is the most humid month?

The months with the highest humidity are May through July, with an average relative humidity of 78%.

What is the average humidity in May?

The average relative humidity in May is 78%.

How many days does it rain in May?

In Greiggs, in May, it is raining for 14.4 days, with typically 18mm (0.71") of accumulated precipitation.

How many hours of daylight does Greiggs have in May?

In May, the average day length is 12h and 44min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 05:43 and sunset at 18:20. On the last day of the month, sunrise is at 05:36 and sunset at 18:28 AST.

How long on average sun shines in May?

In May, the average sunshine duration is 10.1h.

What is the month with the highest UV index?

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

When is the lowest UV index?

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

What is the UV index intensity in May?

In Greiggs, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in May
Greiggs, Saint Vincent and the Grenadines

Average temperature in May - Greiggs, Saint Vincent and the Grenadines
  • Average high temperature in May: 27.8°C

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is February (26.3°C).

  • Average low temperature in May: 26.9°C

The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).

Average pressure in May
Greiggs, Saint Vincent and the Grenadines

Average pressure in May - Greiggs, Saint Vincent and the Grenadines
  • Average pressure in May: 1014mbar

The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

Average wind speed in May
Greiggs, Saint Vincent and the Grenadines

Average wind speed in May - Greiggs, Saint Vincent and the Grenadines
  • Average wind speed in May: 25.4km/h

The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).

Average humidity in May
Greiggs, Saint Vincent and the Grenadines

Average humidity in May - Greiggs, Saint Vincent and the Grenadines
  • Average humidity in May: 78%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

Average rainfall in May
Greiggs, Saint Vincent and the Grenadines

Average rainfall in May - Greiggs, Saint Vincent and the Grenadines
  • Average rainfall in May: 18mm

The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).

Average rainfall days in May
Greiggs, Saint Vincent and the Grenadines

Average rainfall days in May - Greiggs, Saint Vincent and the Grenadines
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).

Average daylight in May /
Average sunshine in May
Greiggs, Saint Vincent and the Grenadines

Average daylight in May / Average sunshine in May - Greiggs, Saint Vincent and the Grenadines
  • Average daylight in May: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 54min).
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 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in May
Greiggs, Saint Vincent and the Grenadines

Average sunshine days in May - Greiggs, Saint Vincent and the Grenadines
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in May
Greiggs, Saint Vincent and the Grenadines

Average UV index in May - Greiggs, Saint Vincent and the Grenadines
  • 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
Greiggs, Saint Vincent and the Grenadines

Average cloud cover in May - Greiggs, Saint Vincent and the Grenadines
  • Average cloud cover in May: 42

The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).

Average visibility in May
Greiggs, Saint Vincent and the Grenadines

Average visibility in May - Greiggs, Saint Vincent and the Grenadines
  • 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).

Greiggs, Saint Vincent and the Grenadines

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