June weather forecastGrace, Saint Lucia
June
Weather in June
June in Grace, Saint Lucia witnesses the onset of the rainy season as the month experiences a distinct increase in rainfall. Despite the increase in precipitation, temperatures remain consistently high, making the weather feel humid. Wind speeds too see a slight increase which could provide some relief from the high humidity. In June, the average rainfall in Grace, Saint Lucia increases to 46mm (1.81"). As June transitions to July, average temperatures, rainfall, and wind speeds remain relatively unchanged.Temperature
June denotes a minimal variation in the average high-temperature to a still warm 28.6°C (83.5°F) from May's 28.4°C (83.1°F). Grace registers a steady nighttime temperature averaging a still moderately hot 26.9°C (80.4°F) throughout June.Heat index
June's average heat index is computed to be a hot 33°C (91.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
In Grace, the average relative humidity in June is 76%.Rainfall
In Grace, Saint Lucia, during June, the rain falls for 21.4 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, in Grace, there are 232.4 rainfall days, and 542mm (21.34") of precipitation is accumulated.Daylight
June has the longest days of the year, with an average of 12h and 54min of daylight.On the first day of the month, sunrise is at 05:35 and sunset at 18:28. On the last day of June, in Grace, sunrise is at 05:39 and sunset at 18:35 AST.
Sunshine
The average sunshine in June is 9.7h.UV index
The months with the highest UV index in Grace are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Grace are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 7 during June, leads to the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Grace, Saint Lucia
- Average high temperature in June: 28.6°C
The warmest months (with the highest average high temperature) are September and October (29.5°C).
The month with the lowest average high temperature is February (26.8°C).
- Average low temperature in June: 26.9°C
The month with the highest average low temperature is September (27.6°C).
The coldest month (with the lowest average low temperature) is February (25.3°C).
Average pressure in June
Grace, Saint Lucia
- Average pressure in June: 1014.9mbar
The month with the highest atmospheric pressure is June (1014.9mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).
Average wind speed in June
Grace, Saint Lucia
- Average wind speed in June: 26.2km/h
The windiest month (with the highest average wind speed) is February (26.9km/h).
The calmest month (with the lowest average wind speed) is September (18.3km/h).
Average humidity in June
Grace, Saint Lucia
- Average humidity in June: 76%
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall in June
Grace, Saint Lucia
- Average rainfall in June: 46mm
The wettest month (with the highest rainfall) is October (73mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days in June
Grace, Saint Lucia
- Average rainfall days in June: 21.4 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (15 days).
Average daylight in June /
Average sunshine in June
Grace, Saint Lucia
- Average daylight in June: 12h and 54min
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 18min).
- Average sunshine in June: 9h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in June
Grace, Saint Lucia
- Average sunshine days in June: 4.2 days
The month with the most sunshine days is March (9.1 days).
The month with the least sunshine days is July (3.6 days).
Average UV index in June
Grace, Saint Lucia
- 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
Grace, Saint Lucia
- Average cloud cover in June: 46
The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 35).
Average visibility in June
Grace, Saint Lucia
- 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).





