Castries
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Castries Weather in April

In Castries, April brings very high daytime temperatures around 30°C (86°F), with nights cooling to 25°C (77°F). Some rainfall is to be expected.

Rainfall in Castries in April

Typically, about 11 days will experience rainfall, with an average of 50 mm (2 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Castries in April

In April, Castries gets very high temperatures, with highs of 30°C (86°F). Nights cool to around 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Castries in April

With approximately 239 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

For Castries itself, January and February generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Castries Temperature in April

Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
37%
Precipitation
50 mm (2 in)
Rainy days
11 days
Humidity
76% *
Sunshine
239 hours *
Percentage Sunshine
*
* Data from: Saint Lucia, Saint Lucia (4 KM, 2 Miles).

Castries Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Castries - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Castries typically stay consistent throughout April, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).

Average temperatures in April

Historical weather records for Castries in April

Browse day-by-day weather records for Castries spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Castries historical weather extremes in April

Our historical data for Castries spans 1976 to 2026, revealing these weather extremes.

  • Castries recorded its highest April temperature of 34°C (93°F) on April 23, 1980.
  • The coldest April day was on April 13, 2008, with a maximum of 26°C (79°F).
  • Castries registered its coldest April night on April 7, 1997, with temperatures dropping to 17°C (63°F).

Best Places in Saint Lucia in April

Find out more about the weather in Saint Lucia and which places have the best travel conditions in this month. See all of Saint Lucia in April →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Castries in April

Warm but pleasant conditions in Castries in April. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Castries in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    8/10
  • Outdoor sports
    8/10

Castries 3-Day Forecast

More climate data for Castries

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.