Climate and monthly weather forecastGrace, Saint Lucia
Climate and monthly weather forecast
The climate of Grace
Grace, Saint Lucia characterizes a tropical type of climate as per the Köppen climate classification. Being located in the tropics, the variation in temperatures during the year is minor. The warmest months are from April to September with temperatures ranging from 27.7°C (81.9°F) to 29.5°C (85.1°F). Simultaneously, cooler weather prevails from January to March with temperatures fluctuating between 25.6°C (78.1°F) and 27.1°C (80.8°F).Rainfall pattern also exhibits minor fluctuations throughout the year. January is the driest month with 24mm (0.94") precipitation, while the highest rainfall is recorded in October with 73mm (2.87"). A notable increase in the number of rainfall days is also detected from January to July, rising steadily from approximately 16 to 23 days.
Relative humidity remains fairly consistent throughout the year, hovering around 75 to 76 per cent, indicating a humid and moist environment. In terms of daylight, the duration increases from 11.4 hours in January to 12.9 hours in June and starts decreasing towards the end of the year, tracing a unimodal distribution pattern.
Extreme weather conditions are relatively scarce, owing to its geographical position with ideal tropical climate.
The best time to visit Grace
Taking into consideration the weather parameters, the best time to visit Grace would be between February and April. During this period, temperatures are on the comfortable end of the scale, ranging from 26.8°C (80.2°F) to 27.7°C (81.9°F). Relative humidity is at a comfortable 74 to 75 per cent with an average wind speed of 24.5km/h (15.2mph) to 26.9km/h (16.7mph) to cool down the surroundings. Visitors can also indulge in extended daylight hours reaching up to 12.5 hours in April. Rainfall is relatively low with precipitation ranging from 18mm (0.71") to 29mm (1.14"), ensuring lesser chances of disruption in outdoor activities and sightseeing.The worst time to visit Grace
The least favorable time to visit Grace is from August to October. During this period, the weather can be harsh with temperatures soaring high up to 29.5°C (85.1°F). The humidity level also inches towards the higher end of the scale, reaching 76 to 77 per cent creating somewhat uncomfortable conditions. Moreover, these months experience the highest rainfall, ranging from 72mm (2.83") to 73mm (2.87"), accompanied by a high number of rainfall days resulting from 22.4 days in August to 19.4 days in October, increasing the likelihood of weather interruptions significantly. Wind speeds mellow down to 21.4km/h (13.3mph) to 19.8km/h (12.3mph) providing a less cooling effect.Spring weather in Grace
Spring in Grace can be described as pleasant and serene. The average temperatures range from a comfortable 27.1°C (80.8°F) to 28.4°C (83.1°F) between March and May. Rainfall volume is also mild, with an average of 33mm (1.3") in May. Relative humidity remains fairly constant at 75-76 per cent, resulting in a mildly humid climate. The daylight spans from 12.1 hours to 12.8 hours, providing ample sunlight for outdoors activities. The month of May also marks the onset of increase in wind speeds up to 24.1km/h (15mph).Summer weather in Grace
Summer in Grace, from June to August, marks the onset of mildly warmer temperatures ranging from 28.6°C (83.5°F) to 28.9°C (84°F). Despite the increased rainfall amount from 46mm (1.81") to 72mm (2.83") and an increased number of rainy days, long daylight hours between 12.8 hours and 12.6 hours provide ample opportunities for outdoor activities. The wind speed also increases during this period, peaking at 26.2km/h (16.3mph) in June.Autumn weather in Grace
Autumn in Grace, from September to November, experiences high temperature readings ranging from 29.5°C (85.1°F) to 28.7°C (83.7°F). Despite the decline in temperatures from their peak in September, the region experiences intense rainfall with precipitation ranging from 64mm (2.52") to 54mm (2.13"). The relative humidity remains fairly stable while the daylight hours reduce steadily towards the end of autumn. The wind speed also moderates towards the end of autumn, averaging between 18.3km/h (11.4mph) and 21.7km/h (13.5mph).Winter weather in Grace
Winter in Grace, from December to February, is marked by relatively cooler temperatures ranging from 25.6°C (78.1°F) to 27.1°C (80.8°F). The rainfall levels drop considerably as compared to the other seasons, ranging from 37mm (1.46") to 24mm (0.94"). The daylight hours also tend to be shorter, ranging from 11.3 hours to 11.7 hours. The wind speeds pick up again, reaching its peak at 26.6km/h (16.5mph) in February. The relative humidity during this period remains constant, maintaining the region's typical humid environment.Weather in January
The year kicks off in Grace, Saint Lucia with fairly high temperatures, and January is not to be left out. While these temperatures are welcomed by sun-lovers, beach-bound individuals may want to note the relatively high chance of rain. Weather in January »Weather in February
Grace, Saint Lucia sees a slight decrease in rainfall, humidity, and temperatures in February when compared to January. Wind speeds also decrease, marking a change in the weather pattern. February brings longer daylight hours, offering ample opportunity for outdoor activities. Weather in February »Weather in March
March is a month of transition in Grace, Saint Lucia. Relative humidity and rainfall start to increase, along with a corresponding increase in temperature. The slight increase in wind speed also ushers in cooler, more relaxing evenings. Weather in March »Weather in April
April shows higher relative humidity and rainfall compared to the previous months in Grace, Saint Lucia. The temperature also increases but not by a considerable margin. Notably, the increasing daylight hours and sunshine duration make this month ideal for enjoying sunny beaches. Weather in April »Weather in May
In Grace, Saint Lucia, May brings a marked increase in rainfall, while the average temperatures show a moderate increase. Relative humidity stays steady while wind speed comes down slightly. There's an increase in the cloud cover, reducing the duration of sunshine. Weather in May »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. Weather in June »Weather in July
July in Grace, Saint Lucia continues with the same weather patterns as June, with high temperatures and significant rainfall. While the average wind speed comes down slightly, the daylight hours remain consistent, offering plenty of sunshine. Weather in July »Weather in August
The weather in August is very similar to July in Grace, Saint Lucia, with high temperatures and significant rainfall. Wind speeds are lower in August, with the reduced wind and cloud cover making those longer daylight hours feel hotter. Weather in August »Weather in September
September continues to sustain high temperatures in Grace, Saint Lucia, but with a reduced wind speed. The reduced wind speed and shorter daylight hours often result in the days feeling hotter. Rainfall in September is quite substantial but slightly less when compared to the previous month. Weather in September »Weather in October
October in Grace, Saint Lucia brings more rainfall than the preceding month of September. Days are slightly shorter with fewer daylight hours but the temperature remains fairly high. The wind speed also experiences an uptick, making for pleasant evenings despite the increase in humidity. Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in Grace, Saint Lucia, with an average temperature ranging between max 28.7°C (83.7°F) and min 27.1°C (80.8°F). As October transitions into November, Grace records an average high-temperature of a still moderately hot 28.7°C (83.7°F), showing a gentle shift from the preceding month. Weather in November »Weather in December
December in Grace, Saint Lucia witnesses a decrease in temperature and rainfall compared to November. Wind speed increases slightly, and daylight hours decrease as winter months set in. Despite lower temperatures, December continues to offer warm conditions suitable for beach activities. Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the lowest humidity are January and February, with an average relative humidity of 74%.
In Grace, during the entire year, the rain falls for 232.4 days and collects up to 542mm (21.34") of precipitation.
The months with the highest UV index are January through December, with an average maximum UV index of 7.
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
The coldest time of the year in Grace, Saint Lucia, is February, with temperatures averaging a high of 26.8°C (80.2°F) and a low of 25.3°C (77.5°F).
The month with the least rainfall is February, when the rain falls for 15 days and typically collects 18mm (0.71") of precipitation.
The month with the longest days is June, with an average of 12h and 54min of daylight.
With an average relative humidity of 77%, July is the most humid month.
With an average of 10.4h of sunshine, August has the most sunshine of the year.
Grace sees its peak of temperatures during September and October, with an average high-temperature of 29.5°C (85.1°F).
The month with the most rainfall is October, when the rain falls for 19.4 days and typically aggregates up to 73mm (2.87") of precipitation.
The month with the shortest days is December, with an average of 11h and 18min of daylight.
Grace, Saint Lucia, does not utilize Daylight Saving Time (DST). AST timezone is used throughout the entire year.
The month with the least sunshine in Grace is December, with an average of 6.6h of sunshine.
Average temperature
Grace, Saint Lucia
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).
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
Grace, Saint Lucia
- Average pressure in January:
1014.5mbar - Average pressure in February:
1014.5mbar - Average pressure in March:
1014.3mbar - Average pressure in April:
1014mbar - Average pressure in May:
1014.2mbar - Average pressure in June:
1014.9mbar
- Average pressure in July:
1014.5mbar - Average pressure in August:
1013.4mbar - Average pressure in September:
1012.5mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1011.3mbar - Average pressure in December:
1013.2mbar
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
Grace, Saint Lucia
- Average wind speed in January:
26.6km/h - Average wind speed in February:
26.9km/h - Average wind speed in March:
24.5km/h - Average wind speed in April:
23.6km/h - Average wind speed in May:
24.1km/h - Average wind speed in June:
26.2km/h
- Average wind speed in July:
25km/h - Average wind speed in August:
21.4km/h - Average wind speed in September:
18.3km/h - Average wind speed in October:
19.8km/h - Average wind speed in November:
21.7km/h - Average wind speed in December:
24.9km/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
Grace, Saint Lucia
The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall
Grace, Saint Lucia
The wettest month (with the highest rainfall) is October (73mm).
The driest month (with the least rainfall) is February (18mm).
Average rainfall days
Grace, Saint Lucia
- Average rainfall days in January:
18.9 days - Average rainfall days in February:
15 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
18 days - Average rainfall days in May:
20.2 days - Average rainfall days in June:
21.4 days
- Average rainfall days in July:
23.3 days - Average rainfall days in August:
22.4 days - Average rainfall days in September:
19.5 days - Average rainfall days in October:
19.4 days - Average rainfall days in November:
19.5 days - Average rainfall days in December:
18.7 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 / Average sunshine
Grace, Saint Lucia
- Average daylight in January:
11h and 24min - Average daylight in February:
11h and 42min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 48min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 48min - Average daylight in August:
12h and 36min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 48min - Average daylight in November:
11h and 30min - Average daylight in December:
11h and 18min
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 January:
7h and 18min - Average sunshine in February:
8h and 42min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 0min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 24min - Average sunshine in September:
10h and 6min - Average sunshine in October:
8h and 30min - Average sunshine in November:
6h and 54min - Average sunshine in December:
6h and 36min
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
Grace, Saint Lucia
- Average sunshine days in January:
7 days - Average sunshine days in February:
8 days - Average sunshine days in March:
9.1 days - Average sunshine days in April:
6.6 days - Average sunshine days in May:
6.3 days - Average sunshine days in June:
4.2 days
- Average sunshine days in July:
3.6 days - Average sunshine days in August:
5.2 days - Average sunshine days in September:
7.1 days - Average sunshine days in October:
8.5 days - Average sunshine days in November:
6.2 days - Average sunshine days in December:
9 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
Grace, Saint Lucia
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
Grace, Saint Lucia
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
Grace, Saint Lucia
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).
