Climate and monthly weather forecastMorne Serpent, Saint Lucia
Climate and monthly weather forecast
Weather in January
January, like December, in Morne Serpent, Saint Lucia, is another warm winter month, with an average temperature fluctuating between 25.1°C (77.2°F) and 27.5°C (81.5°F). Morne Serpent experiences lowest temperatures, averaging a high-temperature of 27.5°C (81.5°F) during January and February. The heat index value for January is appraised at a hot 30°C (86°F). Weather in January »Weather in February
February, the last month of the winter in Morne Serpent, is also a moderately hot month, with an average temperature varying between 27.5°C (81.5°F) and 25.1°C (77.2°F). The lowest level of Morne Serpent's temperatures is noted during January and February, averaging a high-temperature of 27.5°C (81.5°F). February's mean heat index is appraised at a hot 30°C (86°F). Weather in February »Weather in March
The first month of the spring, March, is still a warm month in Morne Serpent, Saint Lucia, with an average temperature varying between 27.7°C (81.9°F) and 25°C (77°F). Morne Serpent marks the start of March with an average high-temperature of a still warm 27.7°C (81.9°F), hinting at a slight fluctuation from February's 27.5°C (81.5°F). Weather in March »Weather in April
April, the same as March, is another warm spring month in Morne Serpent, Saint Lucia, with an average temperature varying between 25.5°C (77.9°F) and 28.3°C (82.9°F). In Morne Serpent, April's average high-temperature stands at a still warm 28.3°C (82.9°F), closely related to the preceding month. Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Morne Serpent, Saint Lucia, with an average temperature fluctuating between 28.8°C (83.8°F) and 26.5°C (79.7°F). May commences with an average high-temperature of a still warm 28.8°C (83.8°F), showing little deviation from April's 28.3°C (82.9°F). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Morne Serpent, Saint Lucia, with an average temperature ranging between min 26.8°C (80.2°F) and max 29.3°C (84.7°F). Morne Serpent greets June with an average high-temperature of a still moderately hot 29.3°C (84.7°F), marking a slight deviation from the preceding month. Weather in June »Weather in July
July, the same as June, is another warm summer month in Morne Serpent, Saint Lucia, with an average temperature ranging between max 29.4°C (84.9°F) and min 26.8°C (80.2°F). As Morne Serpent welcomes July, the average high-temperature records at a still warm 29.4°C (84.9°F), marking an insignificant deviation from the prior month. Weather in July »Weather in August
August, the last month of the summer in Morne Serpent, is also a moderately hot month, with an average temperature ranging between min 26.9°C (80.4°F) and max 29.8°C (85.6°F). During August, Morne Serpent records an average high-temperature of a still warm 29.8°C (85.6°F), marking a slight divergence from July's 29.4°C (84.9°F). Weather in August »Weather in September
September, the first month of the autumn in Morne Serpent, is a tropical month, with an average temperature varying between 30.3°C (86.5°F) and 27°C (80.6°F). With an average high-temperature of 30.3°C (86.5°F) and an average low-temperature of 27°C (80.6°F), September is the warmest month. The average heat index in September is appraised at a very hot 37°C (98.6°F). Weather in September »Weather in October
October, like September, in Morne Serpent, Saint Lucia, is a moderately hot autumn month, with an average temperature fluctuating between 27.2°C (81°F) and 29.8°C (85.6°F). October brings an average high-temperature of a moderately hot 29.8°C (85.6°F), showing a slight difference from September's 30.3°C (86.5°F). Weather in October »Weather in November
November, the last month of the autumn in Morne Serpent, is also a moderately hot month, with an average temperature fluctuating between 26.6°C (79.9°F) and 29.2°C (84.6°F). The advent of November reveals an average high-temperature of a still moderately hot 29.2°C (84.6°F), showing minimal difference from the prior month. Weather in November »Weather in December
The first month of the winter, December, is also a moderately hot month in Morne Serpent, Saint Lucia, with an average temperature varying between 25.7°C (78.3°F) and 28.2°C (82.8°F). December brings an average high-temperature of a still moderately hot 28.2°C (82.8°F), showing a slight difference from November's 29.2°C (84.6°F). 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
January and February, with an average high-temperature of 27.5°C (81.5°F), are the coldest months in Morne Serpent, Saint Lucia.
January through March and September, with an average relative humidity of 73%, are the least humid months in Morne Serpent.
Throughout the year, in Morne Serpent, there are 255.2 rainfall days, and 560mm (22.05") of precipitation is accumulated.
The months with the highest UV index in Morne Serpent, Saint Lucia, are January through May, July through December, with an average maximum UV index of 7.
February is the month with the least rainfall. Rain falls for 16.4 days and accumulates 19mm (0.75") of precipitation.
With an average of 9.8h of sunshine, April has the most sunshine of the year in Morne Serpent, Saint Lucia.
The months with the highest humidity are May through August and November, with an average relative humidity of 75%.
With an average of 12h and 54min of daylight, June has the longest days of the year in Morne Serpent, Saint Lucia.
With an average maximum UV index of 6, June is the month with the lowest UV index.
August is the month with the most rainfall. Rain falls for 25.9 days and accumulates 82mm (3.23") of precipitation.
The warmest period in Morne Serpent is September, when temperatures fluctuate between an average high of 30.3°C (86.5°F) and a low of 27°C (80.6°F).
The month with the shortest days is December, with an average of 11h and 18min of daylight.
Morne Serpent, Saint Lucia, does not observe Daylight Saving Time (DST). AST timezone is used throughout the entire year.
The month with the least sunshine in Morne Serpent is December, with an average of 6.4h of sunshine.
Average temperature
Morne Serpent, Saint Lucia
The warmest month (with the highest average high temperature) is September (30.3°C).
The months with the lowest average high temperature are January and February (27.5°C).
The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).
Average pressure
Morne Serpent, Saint Lucia
- Average pressure in January:
1014.6mbar - Average pressure in February:
1014.6mbar - Average pressure in March:
1014.5mbar - Average pressure in April:
1014.1mbar - Average pressure in May:
1014.3mbar - Average pressure in June:
1015mbar
- Average pressure in July:
1014.7mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1012.6mbar - Average pressure in October:
1011.7mbar - Average pressure in November:
1011.4mbar - Average pressure in December:
1013.4mbar
The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed
Morne Serpent, Saint Lucia
- Average wind speed in January:
24.5km/h - Average wind speed in February:
24.7km/h - Average wind speed in March:
22.7km/h - Average wind speed in April:
21.8km/h - Average wind speed in May:
22.3km/h - Average wind speed in June:
24.3km/h
- Average wind speed in July:
23.5km/h - Average wind speed in August:
19.9km/h - Average wind speed in September:
16.7km/h - Average wind speed in October:
18km/h - Average wind speed in November:
19.7km/h - Average wind speed in December:
22.5km/h
The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).
Average humidity
Morne Serpent, Saint Lucia
The months with the highest relative humidity are May, June, July, August and November (75%).
The months with the lowest relative humidity are January, February, March and September (73%).
Average rainfall
Morne Serpent, Saint Lucia
The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days
Morne Serpent, Saint Lucia
- Average rainfall days in January:
19.2 days - Average rainfall days in February:
16.4 days - Average rainfall days in March:
18.8 days - Average rainfall days in April:
20.3 days - Average rainfall days in May:
22.9 days - Average rainfall days in June:
23.8 days
- Average rainfall days in July:
26.5 days - Average rainfall days in August:
25.9 days - Average rainfall days in September:
20.3 days - Average rainfall days in October:
21 days - Average rainfall days in November:
21 days - Average rainfall days in December:
19.1 days
The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).
Average daylight / Average sunshine
Morne Serpent, 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 30min - Average daylight in May:
12h and 48min - Average daylight in June:
12h and 54min
- Average daylight in July:
12h and 54min - 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 0min - Average sunshine in February:
8h and 30min - Average sunshine in March:
8h and 18min - Average sunshine in April:
9h and 48min - Average sunshine in May:
9h and 30min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
9h and 42min - Average sunshine in September:
9h and 36min - Average sunshine in October:
8h and 6min - Average sunshine in November:
6h and 30min - Average sunshine in December:
6h and 24min
The month with the most sunshine is April (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days
Morne Serpent, Saint Lucia
- Average sunshine days in January:
7.8 days - Average sunshine days in February:
7.1 days - Average sunshine days in March:
7.4 days - Average sunshine days in April:
5.1 days - Average sunshine days in May:
2.8 days - Average sunshine days in June:
1.5 days
- Average sunshine days in July:
0.8 days - Average sunshine days in August:
1.3 days - Average sunshine days in September:
5.2 days - Average sunshine days in October:
5.5 days - Average sunshine days in November:
4.4 days - Average sunshine days in December:
7.3 days
The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).
Average UV index
Morne Serpent, Saint Lucia
The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).
Average cloud cover
Morne Serpent, Saint Lucia
The months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).
Average visibility
Morne Serpent, 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).
