16-Day Forecast
Today
7 Sept
30°C
Daytime High
29.6°C sea
24°C
Overnight Low
☀☀☀☀☀
12h sun
3.5mm rain
Tue
8 Sept
30°C
Daytime High
29.7°C sea
22°C
Overnight Low
☀☀☀☀☀
12h sun
8.3mm rain
Wed
9 Sept
28°C
Daytime High
29.8°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
10.9mm rain
Thu
10 Sept
29°C
Daytime High
29.7°C sea
22°C
Overnight Low
☀☀☀☀☀
11.8h sun
10.4mm rain
Fri
11 Sept
30°C
Daytime High
29.6°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
3mm rain
Sat
12 Sept
29°C
Daytime High
29.6°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
4.2mm rain
Sun
13 Sept
29°C
Daytime High
29.8°C sea
22°C
Overnight Low
☀☀☀☀☀
12h sun
2.4mm rain
Mon
14 Sept
28°C
Daytime High
29.7°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
4.2mm rain
Tue
15 Sept
28°C
Daytime High
29.6°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
6.6mm rain
Wed
16 Sept
29°C
Daytime High
~30.4°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
4.5mm rain
Thu
17 Sept
30°C
Daytime High
~30.4°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
5.7mm rain
Fri
18 Sept
30°C
Daytime High
~30.4°C sea
24°C
Overnight Low
☀☀☀☀☀
12h sun
Sat
19 Sept
29°C
Daytime High
~30.4°C sea
24°C
Overnight Low
☀☀☀☀☀
12h sun
4.2mm rain
Sun
20 Sept
29°C
Daytime High
~30.4°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
7.2mm rain
Mon
21 Sept
30°C
Daytime High
~30.4°C sea
23°C
Overnight Low
☀☀☀☀☀
12h sun
0.6mm rain
Tue
22 Sept
30°C
Daytime High
~30.4°C sea
25°C
Overnight Low
☀☀☀☀☀
11.9h sun
0.6mm rain
☀ = sunshine score · °C high / low · hours of sunshine shown below
About St Lucia
St Lucia, St Lucia is the ultimate Caribbean escape for anyone seeking a tropical sunshine holiday with dramatic natural beauty at every turn. This island nation stands out among Caribbean destinations thanks to its iconic twin Pitons, UNESCO World Heritage sites that rise dramatically from the sea, combined with lush rainforests, pristine beaches, and a genuine warmth from the local culture. Whether you're a couple seeking romance, a family looking for adventure, or a solo traveller wanting to immerse yourself in Caribbean charm, St Lucia delivers unforgettable experiences against a backdrop of turquoise waters and volcanic peaks.
The climate in St Lucia offers warm, tropical weather year-round, making it an ideal destination for sun-seekers. Average summer temperatures reach around 30°C during the peak season, while winters remain pleasantly warm at approximately 24°C, similar to the consistently mild weather found in southern Mediterranean destinations. The sea temperature peaks at around 30°C, perfect for swimming and water sports enthusiasts. The island experiences a tropical trade wind climate that keeps temperatures comfortable despite the warmth, and rainfall is distributed throughout the year, with brief afternoon showers rather than prolonged wet periods.
The best time to visit St Lucia for holidays coincides with the driest months from December through April, when sunny days dominate and rainfall is minimal. These winter months attract visitors seeking guaranteed sunshine, though the island's weather remains delightfully warm throughout the year. For those looking for fewer crowds and better value, the shoulder months of May and November still offer excellent weather with occasional sunny spells.
St Lucia weather and tropical setting create the perfect environment for diverse activities. Adventure seekers can hike to stunning waterfalls, explore the volcanic mud baths at Diamond Falls, or take zip-line tours through rainforest canopy. Water enthusiasts enjoy world-class diving, snorkelling around the Pitons, sailing excursions, and beach days on shores like Sugar Beach and Anse Chastanet. The island's food culture reflects its Creole heritage, with fresh seafood, tropical fruits, and spiced local dishes available at beachfront restaurants and village markets.
Getting to St Lucia is convenient, with direct flights available from the United Kingdom, Ireland, Germany, Netherlands, France, United States, Canada, Spain, and Belgium. For travellers from other regions, one-stop connections are readily available from Singapore, New Zealand, South Africa, UAE, Australia, and various European hubs including Sweden, Denmark, Finland, Italy, Norway, Switzerland, and Austria.
Typical rainfall & humidity in St Lucia
Jan
72.5mm · 77%
Feb
52mm · 74%
Mar
39.7mm · 73%
Apr
48.6mm · 73%
May
64.2mm · 75%
Jun
95mm · 77%
Jul
107.6mm · 80%
Aug
102.2mm · 80%
Sep
83.7mm · 79%
Oct
84.6mm · 79%
Nov
88mm · 79%
Dec
69.1mm · 78%
Average monthly rainfall and relative humidity, based on the last 3 years of historical data.
