June weather forecast
Charlestown, Saint Vincent and the Grenadines

June

Weather in June

June in Charlestown is more humid and hotter than May with average temperatures reaching 28.3°C (82.9°F). This month showcases the city in its full tropical glory with the highest rainfall of the year of 53mm (2.09"). The rise in humidity and rain is accompanied by subtle shifts in general weather patterns with infrequent fluctuations in cloud cover and wind speed. Despite these changes, daylight hours remain quite generous. To sum up, June introduces the peak of the wet season along with tropical heat.

Temperature

Charlestown commences June with an average high-temperature of a still warm 28.3°C (82.9°F), maintaining a close resemblance to the previous month. Charlestown experiences a steady nighttime temperature of 27.3°C (81.1°F) throughout the month of June.

Heat index

For most parts of June, the heat index is estimated at a tropical 33°C (91.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

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

Rainfall

In June, the rain falls for 20 days. Throughout June, 53mm (2.09") of precipitation is accumulated. In Charlestown, during the entire year, the rain falls for 238.6 days and collects up to 627mm (24.69") of precipitation.

Daylight

With an average of 12h and 54min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 05:38 and sunset at 18:28. On the last day of June, sunrise is at 05:43 and sunset at 18:35 AST.

Sunshine

In Charlestown, Saint Vincent and the Grenadines, the average sunshine in June is 9.5h.

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. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 7 in June translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

How hot is it in June?
The high-temperature, in June, in Charlestown, is 28.3°C (82.9°F), while the low-temperature averages to 27.3°C (81.1°F). In June, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 33°C (91.4°F).
What are the most humid months?
May through July, with an average relative humidity of 78%, are most humid months.
What is the average humidity in June?
In June, the average relative humidity is 78%.
How many days does it rain in June in Charlestown?
In June, the rain falls for 20 days. Throughout June, 53mm (2.09") of precipitation is accumulated.
When are the longest days in Charlestown?
The month with the longest days is June, with an average of 12h and 54min of daylight.
How many hours of daylight does Charlestown have in June?
In June, the average day length in Charlestown is 12h and 52min.
When are sunrise and sunset in June?
On the first day of June, sunrise is at 05:38 and sunset at 18:28. On the last day of the month, sunrise is at 05:43 and sunset at 18:35 AST.
How many hours of sunshine does Charlestown have in June?
The average sunshine duration in June is 9.5h.
What is the month with the highest UV index?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Charlestown.
What are the months with 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 June?
In June, the average daily maximum UV index in Charlestown is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in June - Charlestown, Saint Vincent and the Grenadines
Average temperature in June
Charlestown, Saint Vincent and the Grenadines
  • Average high temperature in June: 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 June: 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 June - Charlestown, Saint Vincent and the Grenadines
Average pressure in June
Charlestown, Saint Vincent and the Grenadines
  • Average pressure in June: 1014.5mbar

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 June - Charlestown, Saint Vincent and the Grenadines
Average wind speed in June
Charlestown, Saint Vincent and the Grenadines
  • Average wind speed in June: 28.3km/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 June - Charlestown, Saint Vincent and the Grenadines
Average humidity in June
Charlestown, Saint Vincent and the Grenadines
  • Average humidity in June: 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 June - Charlestown, Saint Vincent and the Grenadines
Average rainfall in June
Charlestown, Saint Vincent and the Grenadines
  • Average rainfall in June: 53mm

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

Average rainfall days in June - Charlestown, Saint Vincent and the Grenadines
Average rainfall days in June
Charlestown, Saint Vincent and the Grenadines
  • Average rainfall days in June: 20 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 June / Average sunshine in June - Charlestown, Saint Vincent and the Grenadines
Average daylight in June /
Average sunshine in June
Charlestown, Saint Vincent and the Grenadines
  • Average daylight in June: 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 June: 9h and 3min

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 June - Charlestown, Saint Vincent and the Grenadines
Average sunshine days in June
Charlestown, Saint Vincent and the Grenadines
  • Average sunshine days in June: 4.2 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 June - Charlestown, Saint Vincent and the Grenadines
Average UV index in June
Charlestown, Saint Vincent and the Grenadines
  • Average UV index in June: 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 June - Charlestown, Saint Vincent and the Grenadines
Average cloud cover in June
Charlestown, Saint Vincent and the Grenadines
  • Average cloud cover in June: 45

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 June - Charlestown, Saint Vincent and the Grenadines
Average visibility in June
Charlestown, Saint Vincent and the Grenadines
  • Average visibility in June: 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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