Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
The shift into May reveals an average high-temperature of a still moderately hot 27.8°C (82°F), closely mirroring April's climate. During the nights of May, Waterloo records an average temperature of 26.9°C (80.4°F), a minor drop from daytime peaks.Heat index
The heat index in May is calculated to be a tropical 31°C (87.8°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 highly critical for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The months with the highest humidity are May through July, with an average relative humidity of 78%.Rainfall
In Waterloo, in May, during 14.4 rainfall days, 18mm (0.71") of precipitation is typically accumulated. In Waterloo, during the entire year, the rain falls for 164.4 days and collects up to 289mm (11.38") of precipitation.Daylight
In May, the average length of the day is 12h and 45min.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.
Sunshine
In May, the average sunshine 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 estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 7 during May leads to these advisories:
Guard oneself from overexposure. Defence against sun injury is vital. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the most humid month in Waterloo?
What is the average humidity in May?
How many days does it rain in May?
How many hours of daylight does Waterloo have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Waterloo have in May?
What is the month with the highest UV index?
When is the lowest UV index?
What is the UV index intensity in May?
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).
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).
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).
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%).
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).
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).
Average daylight in May /
Average sunshine in May
Waterloo, 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
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).
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).
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).
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).
