Castries Weather in June
What's the weather like in Castries (Castries) in June 2025?
The climate in Castries during June can be summarized as hot, humid and very wet.
June is in the summer in Castries and is typically the 3rd 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.
| Daytime temperature | 29.6°C 85.3°F |
|---|---|
| Nightly temperature | 24°C 75.2°F |
| Average temperature | 26.8°C 80.2°F |
| Daily sunshine | 7.9 hrs |
| Avg rainfall | 209 mm 8.2 ins |
| Rainy days | 19 days |
| Sea temperature | 28°C 82.5°F |
| Humidity | 81% |
| Windspeed | 18.4kph 11 mph |
On average June is the 6th wettest 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.
June temperatures in Castries
June rainfall
June hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Castries in June 2025.
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 |
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