May weather forecast
Waterloo, Trinidad and Tobago

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Weather in May

The last month of the spring, May, is also a moderately hot month in Waterloo, Trinidad and Tobago, with an average temperature fluctuating between 29.8°C (85.6°F) and 26.2°C (79.2°F).

Temperature

The advent of May brings an average high-temperature of a still moderately hot 29.8°C (85.6°F), almost identical to the preceding month. Waterloo in May observes a slight diminution in temperature from daily highs, recording a low-temperature average of 26.2°C (79.2°F).

Heat index

For May, the heat index is evaluated at a fiery hot 36°C (96.8°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Waterloo, the average relative humidity in May is 75%.

Rainfall

In May, in Waterloo, the rain falls for 13 days. Throughout May, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 202.6 rainfall days, and 599mm (23.58") of precipitation is accumulated.

Daylight

The average length of the day in May is 12h and 37min.
On the first day of the month, sunrise is at 05:47 and sunset at 18:18. On the last day of May, sunrise is at 05:42 and sunset at 18:24 AST.

Sunshine

The average sunshine in May is 10.3h.

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 are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Resist extreme sun exposure. Guarding against solar damage is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

How hot does it get in Waterloo in May?

In Waterloo, in May, the average high-temperature is 29.8°C (85.6°F), and the average low-temperature is 26.2°C (79.2°F). In May, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 36°C (96.8°F).

What is the average humidity in May in Waterloo?

The average relative humidity in May in Waterloo, Trinidad and Tobago, is 75%.

How much does it rain in Waterloo in May?

In Waterloo, Trinidad and Tobago, in May, during 13 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

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

In May, the average day length in Waterloo is 12h and 37min.

When is the sunrise / sunset in May in Waterloo?

On the first day of May, sunrise is at 05:47 and sunset at 18:18. On the last day of the month, sunrise is at 05:42 and sunset at 18:24 AST.

How long on average sun shines in May in Waterloo?

The average sunshine duration in May is 10.3h.

What are the months 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.

What are the months with the lowest UV index in Waterloo?

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

What is the UV index intensity in May in Waterloo?

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

Average temperature in May
Waterloo, Trinidad and Tobago

Average temperature in May - Waterloo, Trinidad and Tobago
  • Average high temperature in May: 29.8°C

The warmest month (with the highest average high temperature) is September (30.5°C).
The month with the lowest average high temperature is January (28.2°C).

  • Average low temperature in May: 26.2°C

The months with the highest average low temperature are September and October (26.5°C).
The coldest month (with the lowest average low temperature) is February (24.7°C).

Average pressure in May
Waterloo, Trinidad and Tobago

Average pressure in May - Waterloo, Trinidad and Tobago
  • Average pressure in May: 1013mbar

The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).

Average wind speed in May
Waterloo, Trinidad and Tobago

Average wind speed in May - Waterloo, Trinidad and Tobago
  • Average wind speed in May: 17km/h

The windiest month (with the highest average wind speed) is May (17km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).

Average humidity in May
Waterloo, Trinidad and Tobago

Average humidity in May - Waterloo, Trinidad and Tobago
  • Average humidity in May: 75%

The months with the highest relative humidity are July, November and December (78%).
The months with the lowest relative humidity are March and April (74%).

Average rainfall in May
Waterloo, Trinidad and Tobago

Average rainfall in May - Waterloo, Trinidad and Tobago
  • Average rainfall in May: 20mm

The wettest month (with the highest rainfall) is August (97mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in May
Waterloo, Trinidad and Tobago

Average rainfall days in May - Waterloo, Trinidad and Tobago
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is April (11.6 days).

Average daylight in May /
Average sunshine in May
Waterloo, Trinidad and Tobago

Average daylight in May / Average sunshine in May - Waterloo, Trinidad and Tobago
  • Average daylight in May: 12h and 4min

The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in May: 10h and 2min

The months with the most sunshine are August and September (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in May
Waterloo, Trinidad and Tobago

Average sunshine days in May - Waterloo, Trinidad and Tobago
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is July (5.6 days).

Average UV index in May
Waterloo, Trinidad and Tobago

Average UV index in May - Waterloo, Trinidad and Tobago
  • 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, Trinidad and Tobago

Average cloud cover in May - Waterloo, Trinidad and Tobago
  • Average cloud cover in May: 39

The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 27).

Average visibility in May
Waterloo, Trinidad and Tobago

Average visibility in May - Waterloo, Trinidad and Tobago
  • 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).

Waterloo, Trinidad and Tobago

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