When is the best time to go to Castries
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
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 137mm | 8.7hrs | 12.2hrs |
Castries's weather in January is typically hot, humid and 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.
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.
February
| 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 fairly 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
| 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 extremely 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.
April
| 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 reasonably 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.
May
| 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.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 209mm | 7.9hrs | 12.2hrs |
Castries's weather in June 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 not a good 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.
July
| 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 pretty 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.
August
| 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 relatively 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.
September
| 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 not a good 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
| 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.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 278mm | 8hrs | 12.2hrs |
Castries's weather in November 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 not a good 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
| 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.
Other monthly averages
Castries weather stats
| 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 |
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