- Save £150 on all inclusive holidays to St Lucia
- Min spend of £1,000 per holiday booking
- Travel before 31st October 2019 (inclusive)
St Lucia weather in May 2019
- 30°C max day temperature
30 - 8 hours of sunshine per day
8 - 15 days with some rainfall
15 - 24°C min night temperature
24 - 13 hours of daylight per day
13 - High heat & humidity
H - 124 mm of monthly rainfall
124 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
Going to St Lucia? Find the best month to visit St Lucia based on the weather.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Lucia in May. Check more long-term weather averages for St Lucia in May before you book your next holiday to St Lucia in 2019/2020. The May weather averages shown above are for Castries.
Show discount code
******150
******150
Expires at 23:59 on Thursday 31st Jan 2019 · View all First Choice offers
More about St Lucia
- Weather overview
- Climate guide
- 5-day forecast
- Best time to go
- Weather by month
- Today's conditions
- Compare weather
- Sunrise & Sunset
- Hurricane risk
- More destinations
- Top deals & discounts
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The May weather guide for St Lucia, represented by Castries, shows long term 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.
Metric (°C / mm) | Imperial (°F / inches)
Guide to St Lucia weather in May
The average maximum daytime temperature in St Lucia in May is a hot 30°C (86°F) with high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 8 hours of bright sunshine each day, which represents 64% of the 13 hours of daylight.
Expect 124mm (4.9 inches) of rainfall across the whole of May with 15 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.
The average sea temperature in and around St Lucia in May is 28°C (82°F).
The weather in St Lucia in May is represented by Castries.
St Lucia sunrise & sunset times for May 2019
Browse the sunrise & sunset times for St Lucia in May 2019. Select a month to view St Lucia sunrise & sunset times for the next twelve months. The St Lucia sunrise & sunset times shown below are for Castries.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Wednesday, 1st May 2019 | 05:42 | 18:20 |
| Thursday, 2nd May 2019 | 05:42 | 18:20 |
| Friday, 3rd May 2019 | 05:41 | 18:21 |
| Saturday, 4th May 2019 | 05:41 | 18:21 |
| Sunday, 5th May 2019 | 05:41 | 18:21 |
| Monday, 6th May 2019 | 05:40 | 18:21 |
| Tuesday, 7th May 2019 | 05:40 | 18:22 |
| Wednesday, 8th May 2019 | 05:39 | 18:22 |
| Thursday, 9th May 2019 | 05:39 | 18:22 |
| Friday, 10th May 2019 | 05:39 | 18:22 |
| Saturday, 11th May 2019 | 05:38 | 18:23 |
| Sunday, 12th May 2019 | 05:38 | 18:23 |
| Monday, 13th May 2019 | 05:38 | 18:23 |
| Tuesday, 14th May 2019 | 05:38 | 18:23 |
| Wednesday, 15th May 2019 | 05:37 | 18:24 |
| Thursday, 16th May 2019 | 05:37 | 18:24 |
| Friday, 17th May 2019 | 05:37 | 18:24 |
| Saturday, 18th May 2019 | 05:37 | 18:25 |
| Sunday, 19th May 2019 | 05:36 | 18:25 |
| Monday, 20th May 2019 | 05:36 | 18:25 |
| Tuesday, 21st May 2019 | 05:36 | 18:25 |
| Wednesday, 22nd May 2019 | 05:36 | 18:26 |
| Thursday, 23rd May 2019 | 05:36 | 18:26 |
| Friday, 24th May 2019 | 05:35 | 18:26 |
| Saturday, 25th May 2019 | 05:35 | 18:27 |
| Sunday, 26th May 2019 | 05:35 | 18:27 |
| Monday, 27th May 2019 | 05:35 | 18:27 |
| Tuesday, 28th May 2019 | 05:35 | 18:28 |
| Wednesday, 29th May 2019 | 05:35 | 18:28 |
| Thursday, 30th May 2019 | 05:35 | 18:28 |
| Friday, 31st May 2019 | 05:35 | 18:29 |
- Save £150 on all inclusive holidays to St Lucia
- Min spend of £1,000 per holiday booking
- Travel before 31st October 2019 (inclusive)
Show discount code
******150
******150
Expires at 23:59 on Thursday 31st Jan 2019 · View all First Choice offers
More St Lucia destinations
- Anse la Raye
- Cap Estate
- Castries
- Choc Bay
- Grand Anse
- Gros Islet
- Marigot
- Morgan Bay
- Reduit Beach
- Rodney Bay
- Soufriere
- Vieux Fort
All destinations (A to Z)
Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Get FREE travel offers
Sign up to receive the latest deals and exclusive discounts on holidays, flights, hotels and more, plus inspiration on where to go when
We promise not to share your details
