When is the best time to go to Castries

Best time to go
OK time to go
Worst time to go

The chart above shows the best time of year to visit Castries, Saint Lucia. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.

Average temperatures in Castries

Castries weather by month

Please note our recommendations for when to visit Castries are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.

January

Castries January weather averages
Temp Rain Sunshine Day length
25°C 137mm 8.7hrs 12.2hrs

The weather in January in Castries is characteristically hot, humid and wet.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often not a good and not conducive to spending time outdoors.

January is in the winter in Castries and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 22°C (71°F) is normal.

On average January is the driest month of the year in Castries with around 137mm 5.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.7 hours of sunshine per day.

Castries weather in January »

February

Castries February weather averages
Temp Rain Sunshine Day length
25°C 104mm 8.8hrs 12.4hrs

February in Castries is generally damp with the temperature being hot.

Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Castries.

February is in the winter in Castries and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 22°C (71°F) is normal.

On average February is the 2nd driest month of the year in Castries with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

Castries weather in February »

March

Castries March weather averages
Temp Rain Sunshine Day length
25°C 99mm 8.8hrs 12.8hrs

The weather in March in Castries is characteristically hot, humid and a little damp.

It is perhaps the perfect month to visit Castries, with some particularly good weather at this time of year.

March is in the spring in Castries and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 28°C (83°F), whilst at night 22°C (71°F) is normal.

On average March is the 3rd driest month of the year in Castries with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

Castries weather in March »

April

Castries April weather averages
Temp Rain Sunshine Day length
26°C 113mm 8.8hrs 13.2hrs

Castries's weather in April is typically hot, humid and damp in nature.

Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Castries.

April is in the spring in Castries and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 23°C (73°F) is normal.

On average April is the 4th driest month of the year in Castries with around 113mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

Castries weather in April »

May

Castries May weather averages
Temp Rain Sunshine Day length
27°C 145mm 8.6hrs 13.5hrs

May is a wet, humid month in Castries and the temperature is generally hot.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

May is in the spring in Castries and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 24°C (75°F) is normal.

On average May is the 5th driest month of the year in Castries with around 145mm 5.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 hours of sunshine per day.

Castries weather in May »

June

Castries June weather averages
Temp Rain Sunshine Day length
27°C 209mm 7.9hrs 12.2hrs

June is a very wet, humid month in Castries and the temperature is generally hot.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

June is in the summer in Castries and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (85°F), whilst at night 24°C (75°F) is normal.

On average June is the 6th driest month of the year in Castries with around 209mm 8.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

Castries weather in June »

July

Castries July weather averages
Temp Rain Sunshine Day length
27°C 291mm 8.1hrs 12.4hrs

July in Castries is generally very wet with the temperature being hot.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

July is in the summer in Castries and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (85°F), whilst at night 24°C (75°F) is normal.

On average July is the 6th wettest month of the year in Castries with around 291mm 11.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.1 hours of sunshine per day.

Castries weather in July »

August

Castries August weather averages
Temp Rain Sunshine Day length
27°C 263mm 8.6hrs 12.8hrs

The weather in August in Castries is characteristically hot, humid and very wet.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

August is in the summer in Castries and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 24°C (75°F) is normal.

On average August is the 5th wettest month of the year in Castries with around 263mm 10.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 hours of sunshine per day.

Castries weather in August »

September

Castries September weather averages
Temp Rain Sunshine Day length
27°C 259mm 7.9hrs 13.2hrs

Castries's weather in September is typically hot, humid and very wet in nature.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.

September is in the fall / autumn in Castries and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 24°C (75°F) is normal.

On average September is the 4th wettest month of the year in Castries with around 259mm 10.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.9 hours of sunshine per day.

Castries weather in September »

October

Castries October weather averages
Temp Rain Sunshine Day length
27°C 303mm 7.8hrs 13.5hrs

October is a very wet, humid month in Castries and the temperature is generally hot.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often not a good and not conducive to spending time outdoors.

October is in the fall / autumn in Castries and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.

On average October is the 3rd wettest month of the year in Castries with around 303mm 11.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.8 hours of sunshine per day.

Castries weather in October »

November

Castries November weather averages
Temp Rain Sunshine Day length
26°C 278mm 8hrs 12.2hrs

November is a very wet, humid month in Castries and the temperature is generally hot.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.

November is in the fall / autumn in Castries and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (84°F), whilst at night 23°C (74°F) is normal.

On average November is the 2nd wettest month of the year in Castries with around 278mm 10.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 8 hours of sunshine per day.

Castries weather in November »

December

Castries December weather averages
Temp Rain Sunshine Day length
25°C 176mm 8.2hrs 12.4hrs

December in Castries is generally wet with the temperature being hot.

Based on weather alone, this is probably a time of year to avoid going to Castries for your holidays. The weather is often not a good and not conducive to spending time outdoors.

December is in the winter in Castries and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 28°C (83°F), whilst at night 22°C (72°F) is normal.

On average December is the wettest month of the year in Castries with around 176mm 6.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

Castries weather in December »

Other monthly averages

UV index Best time to go?

Castries weather stats

Castries weather statistics
Hottest month: June 29.5°C 85.1°F
Driest month: March 99mm 3.9ins
Sunniest month: January 8.7hrs
Coldest month: January 27.6°C 81.7°F
Wettest month: October 303mm 11.9ins
Warmest sea: September 29.1°C 84.4°F
Map showing location of Castries (13.9957, -61.00614)

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