Castries weather in May 2020

  • 30°C maximum daytime temperature in May in Castries30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in May in Castries15
    15 days with some rainfall
  • 24°C minimum night-time temperature in May in Castries24
    24°C min night temperature
  • 13 hours of daylight per day in May in Castries13
    13 hours of daylight per day
  • High heat & humidity in May in CastriesH
    High heat & humidity
  • 124 mm monthly rainfall in May in Castries124
    124 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Castries11
    11+ (Extreme) UV index
  • 28°C sea temperature in May in Castries28
    28°C sea temperature
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The May weather guide for Castries, St Lucia 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Castries weather in May

The average maximum daytime temperature in Castries 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 Castries in May is 28°C (82°F).

Castries sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Castries in May 2020. Select a month to view Castries sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2020 05:42 18:20
Saturday, 16th May 2020 05:37 18:24
Sunday, 31st May 2020 05:35 18:29
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