Saint Lucia weather, climate and best time to visit

Best time to visit Saint Lucia

The best time to visit in Saint Lucia is from January until December, when you will have a warm temperature and limited till little rainfall. The highest average temperature in in Saint Lucia is 30°C in August and the lowest is 27°C in February.

Saint Lucia has the tropical rainforest climate prevailing. If you want to know what the average temperature is in in Saint Lucia or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.

Average weather Saint Lucia by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temperature (°C) 28 27 28 28 29 29 29 30 30 30 29 28
Precipitation (mm) 25 16 19 23 26 34 50 57 55 63 56 32
Climate data from city: Castries

Travel and stay Saint Lucia

Looking to book a flight to Saint Lucia? Hop on one of these airlines.

14 day weather forecast Saint Lucia

The weather for in Saint Lucia will be 28° till 27° degrees in the next 14 days with every day chance of light rain showers or even quite a bit of rain.

The weather forecast for Saint Lucia is based on the weather conditions in the city of Castries.

Weather forecast this week

Thursday 2 Dec Water Precip Chance Wind UV
28°
26°
28° 1.8 mm 40% 8 m/s 2
Friday 3 Dec Water Precip Chance Wind UV
28°
26°
28° 0.6 mm 15% 6 m/s 1
Saturday 4 Dec Water Precip Chance Wind UV
28°
26°
28° 2.5 mm 45% 7 m/s 1
Sunday 5 Dec Water Precip Chance Wind UV
28°
26°
28° 3.2 mm 50% 9 m/s 1
Monday 6 Dec Water Precip Chance Wind UV
28°
26°
28° 2.8 mm 50% 9 m/s 2
Tuesday 7 Dec Water Precip Chance Wind UV
28°
25°
28° 2.5 mm 45% 8 m/s 2
Wednesday 8 Dec Water Precip Chance Wind UV
27°
26°
28° 3.8 mm 55% 8 m/s 2

Weather forecast next week

Thursday 9 Dec Water Precip Chance Wind UV
27°
25°
28° 4.0 mm 55% 8 m/s 2
Friday 10 Dec Water Precip Chance Wind UV
27°
25°
28° 4.8 mm 60% 8 m/s 2
Saturday 11 Dec Water Precip Chance Wind UV
27°
26°
28° 1.9 mm 40% 7 m/s 2
Sunday 12 Dec Water Precip Chance Wind UV
27°
25°
28° 4.5 mm 60% 8 m/s 2
Monday 13 Dec Water Precip Chance Wind UV
26°
26°
28° 5.9 mm 65% 8 m/s 2
Tuesday 14 Dec Water Precip Chance Wind UV
27°
25°
28° 8.0 mm 75% 7 m/s 2
Wednesday 15 Dec Water Precip Chance Wind UV
27°
25°
28° 19.1 mm 85% 5 m/s 2

Climate Saint Lucia

Saint Lucia has the tropical rainforest climate prevailing. It is usually (very) warm, humid and rainy all year round. The average annual temperature for Saint Lucia is 29° degrees and there is about 456 mm of rain in a year. It is dry for 63 days a year with an average humidity of 74% and an UV-index of 7.

Climate table of Saint Lucia

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 28 27 28 28 29 29 29 30 30 30 29 28
Night temp. (°C) 25 25 25 26 27 27 27 27 27 27 27 26
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 25 16 19 23 26 34 50 57 55 63 56 32
Days with rain 18 15 18 19 21 23 26 25 20 20 20 18
Dry days 13 13 13 11 10 7 5 6 10 11 10 13
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 7 9 9 10 10 10 10 10 10 8 7 6
Wind force (Bft) 4 4 4 4 4 4 4 4 3 3 4 4
UV-index 7 7 7 7 7 6 7 7 7 7 7 7
Climate data from city: Castries

Saint Lucia weather by month

What is the average weather like in a given month for Saint Lucia? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.

Weather experiences Saint Lucia

Already been to Saint Lucia?

Share your experience of the Saint Lucia weather and get a chance to win $150!

Your email will not be included in the review and will not be passed on to third parties.

By submitting the data you agree to our privacy policy

Frequently asked questions

Where is Saint Lucia?

Saint Lucia lies in a straight line about 13,863 km from New Zealand (Wellington → Castries).

How long is the flight to Saint Lucia?

The flight time from Auckland Airport to Saint Lucia is approximately 17 h. 30 min.

What are the largest airports in Saint Lucia?

These are the largest airports in Saint Lucia:

  • George F. L. Charles Airport – Castries
  • Hewanorra International Airport – Vieux Fort

How many inhabitants are there in Saint Lucia?

Saint Lucia has approximately 178,844 inhabitants.

How big is Saint Lucia?

The area of Saint Lucia is around 620 km². It is 432x smaller than New Zealand.

What is the capital of Saint Lucia?

The capital of Saint Lucia is Castries.

What is the currency of Saint Lucia?

In Saint Lucia the East Caribbean dollar (XCD) is used to pay.

Exchange rates on 2 December 2021

  • 1 East Caribbean dollar = 1.87 New Zealand dollar
  • 1 New Zealand dollar = 0.54 East Caribbean dollar
  • 10 East Caribbean dollar = 18.69 New Zealand dollar
  • 10 New Zealand dollar = 5.35 East Caribbean dollar
  • 100 East Caribbean dollar = 186.88 New Zealand dollar
  • 100 New Zealand dollar = 53.51 East Caribbean dollar