May weather forecast
Waterloo, Saint Vincent and the Grenadines

Weather in May

May, the last month of the spring in Waterloo, is another warm month, with an average temperature varying between 27.8°C (82°F) and 26.9°C (80.4°F).

Temperature

In Waterloo, the average high-temperature in May is relatively the same as in April - a still warm 27.8°C (82°F). In May, in Waterloo, the average low-temperature is 26.9°C (80.4°F).

Heat index

In May, the average heat index is calculated to be a hot 31.3°C (88.3°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, wind, pregnancy, and differences in body mass, height, and shape affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

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

Rainfall

In May, in Waterloo, the rain falls for 14.4 days. Throughout May, 18mm (0.71") of precipitation is accumulated. In Waterloo, during the entire year, the rain falls for 164.4 days and collects up to 289mm (11.38") of precipitation.

Daylight

The average length of the day in May is 12h and 45min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:20. On the last day of May, in Waterloo, sunrise is at 05:36 and sunset at 18:27 AST.

Sunshine

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

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Waterloo. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 7 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Waterloo?

The average high-temperature, in May, is 27.8°C (82°F), while the average low-temperature is 26.9°C (80.4°F). In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 31.3°C (88.3°F).

What are the most humid months in Waterloo?

The months with the highest humidity in Waterloo, Saint Vincent and the Grenadines, are May through July, with an average relative humidity of 78%.

What is the average humidity in May in Waterloo?

In May, the average relative humidity in Waterloo, Saint Vincent and the Grenadines, is 78%.

How many days does it rain in May in Waterloo?

In Waterloo, Saint Vincent and the Grenadines, in May, during 14.4 rainfall days, 18mm (0.71") of precipitation is typically accumulated.

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

The average day length in May is 12h and 45min.

What time are sunrise and sunset in May in Waterloo?

On the first day of May in Waterloo, Saint Vincent and the Grenadines, 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 18:27 AST.

How many hours of sunshine does Waterloo have in May?

In Waterloo, Saint Vincent and the Grenadines, the average sunshine duration in May is 10.1h.

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

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

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

The months with the lowest UV index in Waterloo, Saint Vincent and the Grenadines, are January through December, with an average maximum UV index of 7.

What is the UV index intensity in May in Waterloo?

In May, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in May
Waterloo, Saint Vincent and the Grenadines

Average temperature in May - Waterloo, 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).

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Average pressure in May
Waterloo, Saint Vincent and the Grenadines

Average pressure in May - Waterloo, 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).

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

Average wind speed in May - Waterloo, 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).

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Average humidity in May
Waterloo, Saint Vincent and the Grenadines

Average humidity in May - Waterloo, 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%).

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Average rainfall in May
Waterloo, Saint Vincent and the Grenadines

Average rainfall in May - Waterloo, 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).

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

Average rainfall days in May - Waterloo, 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).

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

Average daylight in May / Average sunshine in May - Waterloo, Saint Vincent and the Grenadines
  • Average daylight in May: 12h and 45min

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 22min).

  • Average sunshine in May: 10h and 6min

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).

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

Average sunshine days in May - Waterloo, 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).

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

Average UV index in May - Waterloo, 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).

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Average cloud cover in May
Waterloo, Saint Vincent and the Grenadines

Average cloud cover in May - Waterloo, 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).

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Average visibility in May
Waterloo, Saint Vincent and the Grenadines

Average visibility in May - Waterloo, 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).

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