Morgan Bay weather by month

Check out Morgan Bay weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Morgan Bay (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	82	82	84	84	86	86	86	86	86	86	84	84
Min temperature (night-time)	72	72	72	73	75	75	77	75	75	75	73	73
Heat & Humidity	M	M	M	H	H	VH	H	VH	VH	H	H	H
Sea temperature	81	79	79	81	81	82	82	82	84	84	82	81

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Morgan Bay

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	8	8	8	8	8	8	8	8	8	7	8	8
Daily hours of daylight	11	12	12	12	13	13	13	13	12	12	11	11
UV Index (Maximum)	9	11	11	11	11	11	11	11	11	11	9	8

Rainfall in Morgan Bay

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	17	13	13	11	15	19	21	20	25	18	19	18
Average monthly rainfall (inches)	4.4	3.4	3.0	3.8	4.9	7.2	9.6	8.5	8.8	10.6	10.0	5.9

More about Morgan Bay

Morgan Bay by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for St Lucia

Just You: Current offers on solo tours in 2025

Sale

Book early for solor adventure holidays in 2025
Filter offers by travel dates, price, holiday type & more
Destinations include Europe, Asia, Africa & Americas

Go to Just You deal >>

View all Just You offers

The climate guide for St Lucia (Morgan Bay) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Morgan Bay?

Morgan Bay has a hot tropical climate with no dry season.

Morgan Bay weather in January

Expect daytime maximum temperatures of 82°F in Morgan Bay, St Lucia in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 17 days with some rainfall and typically 4.4 inches of rainfall in the month.

82
82°F max day temperature
8
8 hours of sunshine per day
17
17 days with some rainfall
72
72°F min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
4.4
4.4 inches of monthly rainfall
9
9 (Very High) UV index
81
81°F sea temperature

Back to months

Morgan Bay weather in February

Expect daytime maximum temperatures of 82°F in Morgan Bay, St Lucia in February based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 3.4 inches of rainfall in the month.

82
82°F max day temperature
8
8 hours of sunshine per day
13
13 days with some rainfall
72
72°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
3.4
3.4 inches of monthly rainfall
11
11 (Extreme) UV index
79
79°F sea temperature

Back to months

Morgan Bay weather in March

Expect daytime maximum temperatures of 84°F in Morgan Bay, St Lucia in March based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 3.0 inches of rainfall in the month.

84
84°F max day temperature
8
8 hours of sunshine per day
13
13 days with some rainfall
72
72°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
3.0
3.0 inches of monthly rainfall
11
11+ (Extreme) UV index
79
79°F sea temperature

Back to months

Morgan Bay weather in April

Expect daytime maximum temperatures of 84°F in Morgan Bay, St Lucia in April and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 3.8 inches of rainfall in the month.

84
84°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
3.8
3.8 inches of monthly rainfall
11
11+ (Extreme) UV index
81
81°F sea temperature

Back to months

Morgan Bay weather in May

Expect daytime maximum temperatures of 86°F in Morgan Bay, St Lucia in May and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 4.9 inches of rainfall in the month.

86
86°F max day temperature
8
8 hours of sunshine per day
15
15 days with some rainfall
75
75°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
4.9
4.9 inches of monthly rainfall
11
11+ (Extreme) UV index
81
81°F sea temperature

Back to months

Morgan Bay weather in June

Expect daytime maximum temperatures of 86°F in Morgan Bay, St Lucia in June and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 19 days with some rainfall and typically 7.2 inches of rainfall in the month.

86
86°F max day temperature
8
8 hours of sunshine per day
19
19 days with some rainfall
75
75°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
7.2
7.2 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

Back to months

Morgan Bay weather in July

Expect daytime maximum temperatures of 86°F in Morgan Bay, St Lucia in July and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 21 days with some rainfall and typically 9.6 inches of rainfall in the month.

86
86°F max day temperature
8
8 hours of sunshine per day
21
21 days with some rainfall
77
77°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
9.6
9.6 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

Back to months

Morgan Bay weather in August

Expect daytime maximum temperatures of 86°F in Morgan Bay, St Lucia in August and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 20 days with some rainfall and typically 8.5 inches of rainfall in the month.

86
86°F max day temperature
8
8 hours of sunshine per day
20
20 days with some rainfall
75
75°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
8.5
8.5 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

Back to months

Morgan Bay weather in September

Expect daytime maximum temperatures of 86°F in Morgan Bay, St Lucia in September and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 25 days with some rainfall and typically 8.8 inches of rainfall in the month.

86
86°F max day temperature
8
8 hours of sunshine per day
25
25 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
8.8
8.8 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F sea temperature

Back to months

Morgan Bay weather in October

Expect daytime maximum temperatures of 86°F in Morgan Bay, St Lucia in October and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 18 days with some rainfall and typically 10.6 inches of rainfall in the month.

86
86°F max day temperature
7
7 hours of sunshine per day
18
18 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
H
High heat & humidity
10.6
10.6 inches of monthly rainfall
11
11 (Extreme) UV index
84
84°F sea temperature

Back to months

Morgan Bay weather in November

Expect daytime maximum temperatures of 84°F in Morgan Bay, St Lucia in November and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 19 days with some rainfall and typically 10.0 inches of rainfall in the month.

84
84°F max day temperature
8
8 hours of sunshine per day
19
19 days with some rainfall
73
73°F min night temperature
11
11 hours of daylight per day
H
High heat & humidity
10.0
10.0 inches of monthly rainfall
9
9 (Very High) UV index
82
82°F sea temperature

Back to months

Morgan Bay weather in December

Expect daytime maximum temperatures of 84°F in Morgan Bay, St Lucia in December and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 18 days with some rainfall and typically 5.9 inches of rainfall in the month.

84
84°F max day temperature
8
8 hours of sunshine per day
18
18 days with some rainfall
73
73°F min night temperature
11
11 hours of daylight per day
H
High heat & humidity
5.9
5.9 inches of monthly rainfall
8
8 (Very High) UV index
81
81°F sea temperature

Back to months