October weather forecast
Waterloo, Saint Vincent and the Grenadines

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Weather in October

October signals the gradual transition from the summer season to milder weather conditions. Noteworthy in October is the increase in the rain patterns with the city receiving 37mm (1.46") rainfall over 16 days. The overall temperature remains stable, while wind speed picks pace to reach 21.1km/h (13.1mph) bringing in the occasional cool breeze. Despite the increased showers, the city equally enjoys the sun’s radiance for 8.6 hours, spanning 12.6 days in October. This vibrant contrast between sunny and rainy periods offers a unique charm to the city at this time of the year.

Temperature

The arrival of October sees an average high-temperature of a still moderately hot 28.6°C (83.5°F), hardly diverging from September's 28.7°C (83.7°F). Waterloo reports an average low-temperature of 27.7°C (81.9°F) during the subtly cooler October nights.

Heat index

The heat index value during October is calculated to be a tropical 33°C (91.4°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 highly critical for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in October is 76%.

Rainfall

In October, the rain falls for 16 days. Throughout October, 37mm (1.46") 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 October is 11h and 50min.
On the first day of October, sunrise is at 05:53 and sunset at 17:54. On the last day of the month, sunrise is at 05:58 and sunset at 17:37 AST.

Sunshine

In October, the average sunshine in Waterloo is 8.6h.

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 in Waterloo are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 7 during October leads to these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

How hot does it get in October?

The high-temperature, in October, in Waterloo, records 28.6°C (83.5°F), while the low-temperature is 27.7°C (81.9°F). In October, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 33°C (91.4°F).

What is the average humidity in October?

In Waterloo, the average relative humidity in October is 76%.

How much does it rain in Waterloo in October?

In Waterloo, Saint Vincent and the Grenadines, in October, during 16 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

How many hours of daylight does Waterloo have in October?

The average day length in October is 11h and 50min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 05:53 and sunset at 17:54. On the last day of the month, sunrise is at 05:58 and sunset at 17:37 AST.

How long on average sun shines in October?

In October, the average sunshine duration is 8.6h.

When is the highest UV index?

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

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.

How high is the UV index in October?

In October, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in October
Waterloo, Saint Vincent and the Grenadines

Average temperature in October - Waterloo, Saint Vincent and the Grenadines
  • Average high temperature in October: 28.6°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 October: 27.7°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 October
Waterloo, Saint Vincent and the Grenadines

Average pressure in October - Waterloo, Saint Vincent and the Grenadines
  • Average pressure in October: 1011.4mbar

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 October
Waterloo, Saint Vincent and the Grenadines

Average wind speed in October - Waterloo, Saint Vincent and the Grenadines
  • Average wind speed in October: 21.1km/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 October
Waterloo, Saint Vincent and the Grenadines

Average humidity in October - Waterloo, Saint Vincent and the Grenadines
  • Average humidity in October: 76%

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 October
Waterloo, Saint Vincent and the Grenadines

Average rainfall in October - Waterloo, Saint Vincent and the Grenadines
  • Average rainfall in October: 37mm

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

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

Average rainfall days in October - Waterloo, Saint Vincent and the Grenadines
  • Average rainfall days in October: 16 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 October /
Average sunshine in October
Waterloo, Saint Vincent and the Grenadines

Average daylight in October / Average sunshine in October - Waterloo, Saint Vincent and the Grenadines
  • Average daylight in October: 11h and 5min

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 October: 8h and 4min

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 October
Waterloo, Saint Vincent and the Grenadines

Average sunshine days in October - Waterloo, Saint Vincent and the Grenadines
  • Average sunshine days in October: 12.6 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 October
Waterloo, Saint Vincent and the Grenadines

Average UV index in October - Waterloo, Saint Vincent and the Grenadines
  • Average UV index in October: 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 October
Waterloo, Saint Vincent and the Grenadines

Average cloud cover in October - Waterloo, Saint Vincent and the Grenadines
  • Average cloud cover in October: 38

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 October
Waterloo, Saint Vincent and the Grenadines

Average visibility in October - Waterloo, Saint Vincent and the Grenadines
  • Average visibility in October: 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, Saint Vincent and the Grenadines

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