Climate & Weather in Castries, 🇱🇨 Saint Lucia - Monthly Averages, Forecast & Air Quality
🇱🇨 Castries,
Saint Lucia
#1161
Nomad Score
5.5
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14.0095966, -60.9902359
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CURRENT CONDITIONS
Temperature
30.6°C
/
25.3°C
Feels Like
35.1°C / 28.0°C
Weather
🌧️ Moderate drizzle
Humidity
%
Wind
23.5 km/h
(gusts 51.8)
UV Index
8.9
Sunrise / Sunset
05:52
/
18:07
Daylight
12.2 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Sat 12 Sep | 🌧️ Moderate drizzle | 30.6° | 25.3° | 71% |
| Sun 13 Sep | 🌧️ Moderate drizzle | 30.4° | 23.3° | 84% |
| Mon 14 Sep | 🌧️ Slight rain showers | 29.3° | 24.2° | 82% |
| Tue 15 Sep | 🌧️ Light drizzle | 30.0° | 25.3° | 41% |
| Wed 16 Sep | 🌧️ Dense drizzle | 28.9° | 25.4° | 98% |
| Thu 17 Sep | ⛈️ Thunderstorm | 29.7° | 25.8° | 80% |
| Fri 18 Sep | 🌧️ Light drizzle | 29.9° | 26.1° | 51% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| April | Good | 28.7°C | 24.5°C | 12.6 |
| January | Good | 27.3°C | 23.7°C | 19.9 |
| May | Good | 29.4°C | 25.3°C | 14.3 |
| February | Good | 27.4°C | 23.5°C | 17.0 |
| March | Good | 28.0°C | 23.8°C | 15.5 |
| December | Good | 28.0°C | 24.3°C | 16.6 |
| July | Fair | 28.8°C | 25.3°C | 24.6 |
| November | Fair | 29.1°C | 25.1°C | 17.8 |
| June | Fair | 29.2°C | 25.3°C | 21.6 |
| August | Fair | 29.7°C | 25.5°C | 22.1 |
| October | Fair | 30.1°C | 25.8°C | 17.0 |
| September | Fair | 30.6°C | 25.8°C | 17.2 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
68
🟡 Moderate
US Air Quality Index
European AQI: 26
PM2.5
8.1 µg/m³
PM10
14.6 µg/m³
Ozone
39.0 µg/m³
NO₂
0.1 µg/m³
SO₂
0.2 µg/m³
CO
96.0 µg/m³
UV Index
0.0
Dust
1.0 µg/m³
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 27.3° | 23.7° | 25.3° | 28.7° | 24.7° | 73.7 mm | 19.9 | 0.0 cm | 334.8 hrs | 11.4 hrs | - | 73.9% | 25.1 km/h | 44.0% |
| Feb | 27.4° | 23.5° | 25.2° | 28.9° | 24.2° | 66.4 mm | 17.0 | 0.0 cm | 310.8 hrs | 11.7 hrs | - | 72.5% | 25.9 km/h | 37.6% |
| Mar | 28.0° | 23.8° | 25.6° | 30.0° | 24.8° | 54.1 mm | 15.5 | 0.0 cm | 359.6 hrs | 12.1 hrs | - | 71.8% | 24.7 km/h | 48.2% |
| Apr | 28.7° | 24.5° | 26.3° | 31.2° | 26.0° | 42.2 mm | 12.6 | 0.0 cm | 348.0 hrs | 12.5 hrs | - | 71.7% | 23.9 km/h | 60.6% |
| May | 29.4° | 25.3° | 27.1° | 32.0° | 27.2° | 51.5 mm | 14.3 | 0.0 cm | 356.5 hrs | 12.8 hrs | - | 73.3% | 25.2 km/h | 66.1% |
| Jun | 29.2° | 25.3° | 27.1° | 31.9° | 27.2° | 122.7 mm | 21.6 | 0.0 cm | 339.0 hrs | 12.9 hrs | - | 75.8% | 27.2 km/h | 66.1% |
| Jul | 28.8° | 25.3° | 27.0° | 32.2° | 27.4° | 120.9 mm | 24.6 | 0.0 cm | 347.2 hrs | 12.9 hrs | - | 78.3% | 26.2 km/h | 58.7% |
| Aug | 29.7° | 25.5° | 27.5° | 33.9° | 28.4° | 105.3 mm | 22.1 | 0.0 cm | 347.2 hrs | 12.6 hrs | - | 77.5% | 22.3 km/h | 56.5% |
| Sep | 30.6° | 25.8° | 27.9° | 35.3° | 29.3° | 70.9 mm | 17.2 | 0.0 cm | 339.0 hrs | 12.2 hrs | - | 75.6% | 18.8 km/h | 60.0% |
| Oct | 30.1° | 25.8° | 27.8° | 34.0° | 28.7° | 67.5 mm | 17.0 | 0.0 cm | 331.7 hrs | 11.8 hrs | - | 74.7% | 21.4 km/h | 60.5% |
| Nov | 29.1° | 25.1° | 26.9° | 32.0° | 27.3° | 81.2 mm | 17.8 | 0.0 cm | 321.0 hrs | 11.5 hrs | - | 75.3% | 23.0 km/h | 58.7% |
| Dec | 28.0° | 24.3° | 26.0° | 30.0° | 25.8° | 66.5 mm | 16.6 | 0.0 cm | 328.6 hrs | 11.3 hrs | - | 73.0% | 23.4 km/h | 48.7% |