Wedding weather data · Saint Lucia
Wedding weather in St. Lucia
In St. Lucia, the driest months for a wedding are February and March, when rain falls on about 31% of days. The wettest is October, with rain on about 67% of days. Here is the full picture, month by month, from 10 years of daily weather records.
Rain odds and temperatures by month
| Month | Chance of a rainy day | Heavy rain | Rainy days | Avg high | Avg low | Sunshine |
|---|---|---|---|---|---|---|
| January ✦ | 38% | 0% | 11.8 | 79°F (26°C) | 72°F (22°C) | 10.9 h/day |
| February ✦ | 31% | 0% | 8.9 | 80°F (27°C) | 72°F (22°C) | 11 h/day |
| March ✦ | 32% | 1% | 9.8 | 81°F (27°C) | 72°F (22°C) | 11.6 h/day |
| April | 38% | 2% | 11.5 | 82°F (28°C) | 73°F (23°C) | 11.8 h/day |
| May | 40% | 2% | 12.5 | 83°F (28°C) | 75°F (24°C) | 11.7 h/day |
| June | 50% | 4% | 15.1 | 83°F (28°C) | 75°F (24°C) | 11.5 h/day |
| July | 65% | 5% | 20.3 | 83°F (28°C) | 75°F (24°C) | 11.5 h/day |
| August | 67% | 6% | 20.7 | 83°F (28°C) | 75°F (24°C) | 11.4 h/day |
| September | 65% | 8% | 19.4 | 83°F (28°C) | 75°F (24°C) | 11.1 h/day |
| October | 67% | 8% | 20.9 | 82°F (28°C) | 75°F (24°C) | 10.6 h/day |
| November | 63% | 8% | 18.8 | 81°F (27°C) | 74°F (23°C) | 10.6 h/day |
| December | 42% | 2% | 12.9 | 80°F (27°C) | 73°F (23°C) | 10 h/day |
Source: ERA5 reanalysis (Copernicus/ECMWF) via Open-Meteo open data, CC BY 4.0, daily data 1991–2020 for 13.91, -60.98. Rainy day ≥ 1 mm, heavy rain ≥ 10 mm. Climatology, not a forecast.
Best months for a wedding in St. Lucia
Weighing low rain odds with comfortable temperatures (roughly 18–29 °C / 65–84 °F highs), the best months for an outdoor wedding in St. Lucia are January, February, and March.
When to be careful
October is the wettest month in St. Lucia: rain falls on about 67% of days, and 8% of days bring heavy rain (10 mm or more). Book a solid backup if you marry then.
How to read these numbers
A "rainy day" is a day with at least 1 mm (0.04 in) of rain. A 30% chance means about 3 in 10 days in that month saw at least a little rain, often a short shower. For your exact date and venue, use our free rain odds tool.
St. Lucia weather month by month
What a wedding day in St. Lucia usually looks like in each month, from 30 years of daily weather records.
St. Lucia weather in January
In January, it rains (1 mm or more) on 38% of days in St. Lucia, about 11.8 days in the month, and 0% of days bring heavy rain. Typical highs are 79°F (26°C), lows 72°F (22°C), with around 10.9 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
St. Lucia weather in February
In February, it rains (1 mm or more) on 31% of days in St. Lucia, about 8.9 days in the month, and 0% of days bring heavy rain. Typical highs are 80°F (27°C), lows 72°F (22°C), with around 11 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
St. Lucia weather in March
In March, it rains (1 mm or more) on 32% of days in St. Lucia, about 9.8 days in the month, and 1% of days bring heavy rain. Typical highs are 81°F (27°C), lows 72°F (22°C), with around 11.6 hours of sunshine a day. One of the driest months here: a good bet for an outdoor ceremony.
St. Lucia weather in April
In April, it rains (1 mm or more) on 38% of days in St. Lucia, about 11.5 days in the month, and 2% of days bring heavy rain. Typical highs are 82°F (28°C), lows 73°F (23°C), with around 11.8 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
St. Lucia weather in May
In May, it rains (1 mm or more) on 40% of days in St. Lucia, about 12.5 days in the month, and 2% of days bring heavy rain. Typical highs are 83°F (28°C), lows 75°F (24°C), with around 11.7 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
St. Lucia weather in June
In June, it rains (1 mm or more) on 50% of days in St. Lucia, about 15.1 days in the month, and 4% of days bring heavy rain. Typical highs are 83°F (28°C), lows 75°F (24°C), with around 11.5 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
St. Lucia weather in July
In July, it rains (1 mm or more) on 65% of days in St. Lucia, about 20.3 days in the month, and 5% of days bring heavy rain. Typical highs are 83°F (28°C), lows 75°F (24°C), with around 11.5 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
St. Lucia weather in August
In August, it rains (1 mm or more) on 67% of days in St. Lucia, about 20.7 days in the month, and 6% of days bring heavy rain. Typical highs are 83°F (28°C), lows 75°F (24°C), with around 11.4 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
St. Lucia weather in September
In September, it rains (1 mm or more) on 65% of days in St. Lucia, about 19.4 days in the month, and 8% of days bring heavy rain. Typical highs are 83°F (28°C), lows 75°F (24°C), with around 11.1 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
St. Lucia weather in October
In October, it rains (1 mm or more) on 67% of days in St. Lucia, about 20.9 days in the month, and 8% of days bring heavy rain. Typical highs are 82°F (28°C), lows 75°F (24°C), with around 10.6 hours of sunshine a day. One of the wettest months here: plan a covered ceremony or a tent from the start.
St. Lucia weather in November
In November, it rains (1 mm or more) on 63% of days in St. Lucia, about 18.8 days in the month, and 8% of days bring heavy rain. Typical highs are 81°F (27°C), lows 74°F (23°C), with around 10.6 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
St. Lucia weather in December
In December, it rains (1 mm or more) on 42% of days in St. Lucia, about 12.9 days in the month, and 2% of days bring heavy rain. Typical highs are 80°F (27°C), lows 73°F (23°C), with around 10 hours of sunshine a day. Average odds: plan outdoors, but book a rain plan you would actually like.
Frequently asked questions
What is the best month to get married in St. Lucia?
Based on 10 years of weather data, February is the driest month in St. Lucia, with rain on about 31% of days and average highs around 80°F (27°C). Overall, the best months for an outdoor wedding there are January, February, and March.
What is the rainiest month in St. Lucia?
October is the rainiest month in St. Lucia: on average 20.9 days of the month see at least 1 mm of rain, and about 8% of days bring heavy rain.
Will it rain on my wedding day in St. Lucia?
Nobody can forecast your wedding day months ahead. What history shows is the chance of rain: in January it rains on about 38% of days in St. Lucia. Check your exact date with our free rain odds tool, then watch the real forecast from about 7 days out.