Castries weather in June 2026

Expect daytime maximum temperatures of 86°F in Castries, St Lucia in June and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 19 days with some rainfall and typically 7.2 inches of rainfall in the month.

  • 86°F maximum daytime temperature in June in Castries86
    86°F max day temperature
  • 8 hours of sunshine per day
  • 19 days with some rainfall in June in Castries19
    19 days with some rainfall
  • 75°F minimum night-time temperature in June in Castries75
    75°F 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
  • 7.2 inches monthly rainfall in June in Castries7.2
    7.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Castries11
    11+ (Extreme) UV index
  • 82°F sea temperature in June in Castries82
    82°F sea temperature

More about Castries

Castries by month

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

Recommended for St Lucia

International Drivers Association: Get driving permit in 8 minutes

  • Order International Driving Permit (IDP) in 8 minutes online
  • Recognised in over 150 countries in Asia, Europe, Africa & more
  • Accepted by rental car agencies worldwide
Go to International Drivers Association deal >>

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.

Metric (°C)  |  Imperial (°F)

Back to top

More about St Lucia

How hot is it in Castries in June?

Daytime temperatures usually reach 86°F in Castries in June with high heat and humidity, falling to 75°F 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 82°F.

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 7.2 inches.

Castries June sunrise & sunset times

Browse the sunrise and sunset times for Castries in June 2026. Select a month to view Castries sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 05:35 18:29
Monday, 15th June 2026 05:36 18:33
Tuesday, 30th June 2026 05:40 18:36

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^