- Book online & save 12% on holidays to St Lucia
- Book online with TUI to receive discount
- FREE kids places & low deposits also available
Castries weather in December 2019
- 2929°C max day temperature
- 1818 days with some rainfall
- 2323°C min night temperature
- 1111 hours of daylight per day
- MModerate heat & humidity
- 149149 mm of monthly rainfall
- 88 (Very High) UV index
- 2828°C sea temperature
The December 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.
TUI deal finder
Metric (°C / mm) | Imperial (°F / inches)
Castries sunrise & sunset times for December 2019
Browse the sunrise & sunset times for Castries in December 2019. Select a month to view Castries sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Sunday, 1st December 2019||06:12||17:34|
|Monday, 16th December 2019||06:20||17:39|
|Tuesday, 31st December 2019||06:27||17:46|
- Book low fares on Virgin Atlantic flights to St Lucia
- Depart from London Gatwick Airport
- Return flights to St Lucia from £486
Virgin Atlantic destinations
Discover more about St Lucia
Where's hot in St Lucia in December?
Below are average maximum temperatures at popular destinations in St Lucia in December. Select a destination to see more weather parameters.
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
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.