SeasonMapThe Valley (Anguilla) weather in August
Anguilla
August in The Valley: warm, rainy, with clean air — a good time to visit.
#10 of 12 months in The Valley · #967 of 1383 destinations to visit in August · comfort 68/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on The Valley in August
No notes yet. Open The Valley on the map to add the first one.
The Valley climate normals — August
| Daytime high | 28°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Sea temperature | 30°C / 85°F | ♨️ bath-warm |
| Rainfall | 80 mm / 3.2 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 12.7 h | |
| Wind | 30 km/h / 18 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in The Valley in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyAnguilla Summer Festival, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for The Valley's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherThe Valley's weather peaks February–April, best around March.
August coincides with Sargassum season.
Best weatherFair weatherToughest weather
What's on in The Valley in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Sargassum season
1 May – 30 Sep · usuallyAnguilla is hit less hard than islands further south, but weed still lands on the south and northeast coasts most years - Savannah Bay, Sandy Hill Bay and Shoal Bay East are the names locals watch. How bad a season gets varies week to week rather than by the month. Source ↗
- Hazard
Hurricane season
1 Jun – 30 NovIrma made a direct Category 5 hit in September 2017, doing an estimated US$320 million in damage and knocking out the House of Assembly and the ferry terminal at Blowing Point for months. Most seasons pass without a direct strike, but the island is low and flat with nowhere to hide from one that does. Source ↗
- Festival
Anguilla Summer Festival
24 Jul – 9 Aug · usuallyCarnivalCrowdedBook earlyAnguilla's carnival: two weeks of calypso finals, pageants and the Parade of Troupes building to J'ouvert before dawn and a string of boat races that double as the island's national sport. The Valley and Sandy Ground carry most of it. Source ↗
- Closure
Off-season hotel closures
16 Aug – 15 Oct · usuallySeveral of the island's biggest names close for repairs and staff leave between mid-August and mid-October, Cap Juluca and the Four Seasons among them. Rates at what stays open are the lowest of the year, and villas and a handful of restaurants keep going regardless. Source ↗
Nearby, and something's on
Within 300 km of The Valley — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is The Valley?
The Valley in August — FAQ
- Is August a good time to visit The Valley?
- August in The Valley: warm, rainy, with clean air — a good time to visit. It ranks #10 of 12 months for The Valley on SeasonMap's comfort score (68/100).
- What is the weather like in The Valley in August?
- In August, The Valley averages a daily high of 28.3°C and a low of 26.8°C, with about 80.3 mm of rain over roughly 13.6 rainy days.
- What is the air quality in The Valley in August?
- The Valley has a mean US Air Quality Index of about 45 in August.
Other months in The Valley
Compare The Valley in August
Warmer or cooler than The Valley in August
Similar destinations in Caribbean — August
Within 300 km: Philipsburg's Sea turtle nesting around 1 Apr – 30 Nov, and Pointe-à-Pitre's Tour cycliste de la Guadeloupe on 31 Jul – 9 Aug.