Castries weather in June 2023

  • 30°C maximum daytime temperature in June in Castries30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in June in Castries19
    19 days with some rainfall
  • 24°C minimum night-time temperature in June in Castries24
    24°C min night temperature
  • 13 hours of daylight per day in June in Castries13
    13 hours of daylight per day
  • High heat & humidity in June in CastriesH
    High heat & humidity
  • 182 mm monthly rainfall in June in Castries182
    182 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Castries11
    11+ (Extreme) UV index
  • 28°C sea temperature in June in Castries28
    28°C sea temperature
  • Save EXTRA £150 on all inclusive Caribbean holidays
  • Book holidays online for 10 nights or more
  • Travel before 31st December 2025 (inclusive)
Show discount codeShow discount code ******150

Expires at 23:59 on Thursday 13th Oct 2022 · View all Sandals offers

SandalsHoliday resort finder

Recommended for St Lucia

The June weather guide for St Lucia (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.

  • Top deals & discounts
  • Castries weather overview
  • Castries climate averages by month
  • More destinations
  • Best time to go to Castries
  • Castries 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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

Back to top

More about St Lucia

How hot is it in Castries in June?

Daytime temperatures usually reach 30°C in Castries in June with high heat and humidity, falling to 24°C at night.

How sunny is it in Castries in June?

There are normally 8 hours of bright sunshine each day in Castries in June - that's 58% of daylight hours.

How warm is the sea around Castries in June?

The average sea temperature around Castries in June is 28°C.

Does it rain in Castries in June?

There are usually 19 days with some rain in Castries in June and the average monthly rainfall is 182mm.

Castries June sunrise & sunset times

Browse the sunrise and sunset times for Castries in June 2023. Select a month to view Castries sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Thursday, 1st June 2023 05:35 18:29
Thursday, 15th June 2023 05:36 18:33
Friday, 30th June 2023 05:39 18:36

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.