Weather in St Lucia in May 2018

  • 30°C maximum daytime temperature in May in St Lucia (Castries)30
    30°C max day temperature
  • 8 hours of sunshine per day (64% of daylight hours) in May in St Lucia8
    8 hours of sunshine per day
  • 15 days with some rainfall in May in St Lucia (Castries)15
    15 days with some rainfall
  • 24°C minimum night-time temperature in May in St Lucia (Castries)24
    24°C min night temperature
  • 13 hours of daylight per day in May in St Lucia (Castries)13
    13 hours of daylight per day
  • High heat & humidity in May in St Lucia (Castries)H
    High heat & humidity
  • 124 mm monthly rainfall in May in St Lucia (Castries)124
    124 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in St Lucia (Castries)11
    11+ (Extreme) UV index
  • 28°C sea temperature in May in St Lucia (Castries)28
    28°C sea temperature

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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 2018. The May weather averages shown above are for Castries.

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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 2018

Browse the sunrise & sunset times for St Lucia in May 2018. 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
Tuesday, 1st May 2018 05:42 18:20
Wednesday, 2nd May 2018 05:42 18:20
Thursday, 3rd May 2018 05:41 18:21
Friday, 4th May 2018 05:41 18:21
Saturday, 5th May 2018 05:40 18:21
Sunday, 6th May 2018 05:40 18:21
Monday, 7th May 2018 05:40 18:22
Tuesday, 8th May 2018 05:39 18:22
Wednesday, 9th May 2018 05:39 18:22
Thursday, 10th May 2018 05:39 18:22
Friday, 11th May 2018 05:38 18:23
Saturday, 12th May 2018 05:38 18:23
Sunday, 13th May 2018 05:38 18:23
Monday, 14th May 2018 05:37 18:23
Tuesday, 15th May 2018 05:37 18:24
Wednesday, 16th May 2018 05:37 18:24
Thursday, 17th May 2018 05:37 18:24
Friday, 18th May 2018 05:36 18:25
Saturday, 19th May 2018 05:36 18:25
Sunday, 20th May 2018 05:36 18:25
Monday, 21st May 2018 05:36 18:26
Tuesday, 22nd May 2018 05:36 18:26
Wednesday, 23rd May 2018 05:36 18:26
Thursday, 24th May 2018 05:35 18:26
Friday, 25th May 2018 05:35 18:27
Saturday, 26th May 2018 05:35 18:27
Sunday, 27th May 2018 05:35 18:27
Monday, 28th May 2018 05:35 18:28
Tuesday, 29th May 2018 05:35 18:28
Wednesday, 30th May 2018 05:35 18:28
Thursday, 31st May 2018 05:35 18:29

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