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St Lucia weather by month
Check out St Lucia weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum daytime temperature °C |  28 |
28 |
29 |
29 |
 30 |
30 |
30 |
30 |
30 |
30 |
29 |
29 |
| Hours of sunshine (daily) | ||||||||||||
| Days with some rainfall |  17 |
 13 |
13 |
 11 |
15 |
 19 |
21 |
20 |
 25 |
18 |
19 |
18 |
| Sea temperature °C |  27 |
26 |
27 |
27 |
 28 |
28 |
28 |
29 |
29 |
29 |
28 |
28 |
More about St Lucia
St Lucia by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for St Lucia
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The climate guide for St Lucia (Castries) 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.
Top St Lucia destinations
Below are average maximum temperatures at popular countries, regions and places in St Lucia for next month - May. Select a destination to see the climate guide for all months of the year.
All St Lucia destinations
- Anse la Raye
- Cap Estate
- Castries
- Choc Bay
- Grand Anse
- Gros Islet
- Marigot Bay
- Morgan Bay
- Reduit Beach
- Rodney Bay
- Soufriere
- Vieux Fort
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: St Lucia hurricane season
% of month affected by tropical storms
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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More about St Lucia
Compare St Lucia with the UK
Below the St Lucia chart shows average maximum daytime temperature for St Lucia (Castries) and the UK (London).
Maximum daytime temperature (°C)
St Lucia (Castries)
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Metric (°C / mm) | Imperial (°F / inches)
Compare more St Lucia weather >>
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