Castries Weather in August
Saint Lucia · August climate averages and travel tips
Avg high29°C (83°F)
Avg low27°C (81°F)
Rainfall136 mm (5.4 in)
RatingFair 4.6/10
Expect hot days in Castries in August: the average high is 29°C (83°F) and the average low is 27°C (81°F). The month is wet, with about 136 mm (5.4 in) of rain spread over 22 days, making it the third wettest month of the year. Humidity averages 79%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.5 hours of daylight and a mix of sun and cloud.
Is August a good time to visit Castries?
August is a fair time to visit Castries (4.6/10) mainly because of the rain. For better weather, go in February and March.
August weather at a glance
| Average high | 29°C (83°F) |
|---|---|
| Average low | 27°C (81°F) |
| Daily mean | 28°C (82°F) |
| Rainfall | 136 mm (5.4 in) |
| Rainy days (1 mm+) | 22 |
| Humidity | 79% |
| Cloud cover | 51% |
| Daylight | 12.5 hours |
| Est. sunshine | 6.7 hours/day |
| Wind | 19.9 km/h |
| vs July | About as warm as July, with 23 mm more rain. |
What to pack for Castries in August
- light, breathable clothing
- sunscreen and a hat
- an umbrella or rain jacket
Castries weather in other months
Jan27°C / 25°C63 mmExcellentFeb26°C / 25°C39 mmExcellentMar27°C / 25°C37 mmExcellentApr27°C / 26°C72 mmExcellentMay28°C / 26°C77 mmGoodJun28°C / 27°C112 mmFairJul28°C / 27°C113 mmFairAug29°C / 27°C136 mmFairSep29°C / 28°C115 mmFairOct29°C / 27°C149 mmFairNov28°C / 27°C137 mmFairDec27°C / 26°C72 mmGood
← JulyBest time to visit CastriesSeptember →
Better weather in August nearby
- San Francisco, California23°C · 1 mm · Excellent
- Seattle, Washington24°C · 25 mm · Excellent
- Vancouver22°C · 32 mm · Excellent
- Victoria21°C · 26 mm · Excellent
- Calgary24°C · 62 mm · Excellent
- Honolulu, Hawaii28°C · 42 mm · Excellent
Nearby in August
- Fort-de-France29°C · 154 mm
- Kingstown29°C · 90 mm
- Roseau29°C · 175 mm
- Bridgetown29°C · 93 mm
- Saint George's29°C · 163 mm
- Basse-Terre29°C · 146 mm
Where else is good in August? See where to go in August.