July weather forecast
Charlestown, Saint Vincent and the Grenadines

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Weather in July

July continues June's pattern of high humidity and tropical temperatures. Rainfall increases even further to 74mm (2.91") as Charlestown settles fully into the wet season. However, the increase in rain does not drastically affect the length of daylight hours, maintaining a balance between sunshine and showers. As the month progresses, weather patterns fluctuate subtly, featuring periodic shifts in cloud cover and wind speed. Overall, July is typically hot and humid with high rainfall.

Temperature

During July, Charlestown sees a high temperature of a still warm 28.3°C (82.9°F), reflecting a continuity from June. Charlestown nights in July witness a mild cool down to an average temperature of 27.3°C (81.1°F).

Heat index

July's mean heat index is estimated at a hot 33°C (91.4°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

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

Rainfall

In Charlestown, Saint Vincent and the Grenadines, in July, during 24.1 rainfall days, 74mm (2.91") of precipitation is typically accumulated. Throughout the year, in Charlestown, there are 238.6 rainfall days, and 627mm (24.69") of precipitation is accumulated.

Daylight

The average length of the day in July is 12h and 47min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:35. On the last day of July, sunrise is at 05:51 and sunset at 18:32 AST.

Sunshine

In July, the average sunshine is 9.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 7 in July leads to these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

How hot is July?

In July, the average high-temperature and low-temperature are 28.3°C (82.9°F) and 27.3°C (81.1°F) respectively. In July, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 33°C (91.4°F).

What is the most humid month?

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

What is the average humidity in July?

In Charlestown, the average relative humidity in July is 78%.

How much does it rain in July?

In July, the rain falls for 24.1 days. Throughout July, 74mm (2.91") of precipitation is accumulated.

How many hours of daylight does Charlestown have in July?

The average day length in July is 12h and 47min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 05:43 and sunset at 18:35. On the last day of the month, sunrise is at 05:51 and sunset at 18:32 AST.

How many hours of sunshine does Charlestown have in July?

In Charlestown, the average sunshine duration in July is 9.7h.

What are the months with the highest UV index?

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

When is the lowest UV index?

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

What is the UV index reading in July?

In July, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in July
Charlestown, Saint Vincent and the Grenadines

Average temperature in July - Charlestown, Saint Vincent and the Grenadines
  • Average high temperature in July: 28.3°C

The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).

  • Average low temperature in July: 27.3°C

The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).

Average pressure in July
Charlestown, Saint Vincent and the Grenadines

Average pressure in July - Charlestown, Saint Vincent and the Grenadines
  • Average pressure in July: 1014.2mbar

The month with the highest atmospheric pressure is June (1014.5mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).

Average wind speed in July
Charlestown, Saint Vincent and the Grenadines

Average wind speed in July - Charlestown, Saint Vincent and the Grenadines
  • Average wind speed in July: 26.7km/h

The windiest month (with the highest average wind speed) is February (29.3km/h).
The calmest month (with the lowest average wind speed) is September (20.6km/h).

Average humidity in July
Charlestown, Saint Vincent and the Grenadines

Average humidity in July - Charlestown, Saint Vincent and the Grenadines
  • Average humidity in July: 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 July
Charlestown, Saint Vincent and the Grenadines

Average rainfall in July - Charlestown, Saint Vincent and the Grenadines
  • Average rainfall in July: 74mm

The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days in July
Charlestown, Saint Vincent and the Grenadines

Average rainfall days in July - Charlestown, Saint Vincent and the Grenadines
  • Average rainfall days in July: 24.1 days

The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (14.8 days).

Average daylight in July /
Average sunshine in July
Charlestown, Saint Vincent and the Grenadines

Average daylight in July / Average sunshine in July - Charlestown, Saint Vincent and the Grenadines
  • Average daylight in July: 12h 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 July: 9h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in July
Charlestown, Saint Vincent and the Grenadines

Average sunshine days in July - Charlestown, Saint Vincent and the Grenadines
  • Average sunshine days in July: 1.7 days

The months with the most sunshine days are February and March (9.3 days).
The month with the least sunshine days is July (1.7 days).

Average UV index in July
Charlestown, Saint Vincent and the Grenadines

Average UV index in July - Charlestown, Saint Vincent and the Grenadines
  • Average UV index in July: 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 July
Charlestown, Saint Vincent and the Grenadines

Average cloud cover in July - Charlestown, Saint Vincent and the Grenadines
  • Average cloud cover in July: 46

The month with the most cloud cover is July (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 37).

Average visibility in July
Charlestown, Saint Vincent and the Grenadines

Average visibility in July - Charlestown, Saint Vincent and the Grenadines
  • Average visibility in July: 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).

Charlestown, Saint Vincent and the Grenadines

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