Saint Lucia Weather in July
July in Saint Lucia typically sees daytime highs of 31°C (88°F) and nighttime lows of 26°C (79°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Saint Lucia in July
This month experiences about 21 days of rain according to historical data, averaging 101 mm (4 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Saint Lucia in July
Daytime highs in Saint Lucia in July reach 31°C (88°F), with nights around 26°C (79°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Saint Lucia in July
The days are predominantly sunny, with an estimated total of around 248 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.July in Saint Lucia can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Lucia, check out our Saint Lucia's climate page.
Saint Lucia Temperature in July
Min Temperature
26°C (79°F)
Max Temperature
31°C (88°F)
Chance of Rain
69%
Precipitation
101 mm (4 in)
Rainy days
21 days
Humidity
80%
Sunshine
248 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Lucia typically stay consistent throughout July, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in July
Historical weather for Saint Lucia in July
Browse day-by-day weather records for Saint Lucia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Lucia historical weather extremes in July
Based on weather observations in Saint Lucia between 1990 and 2025, these are the recorded extremes during July.
- The hottest July day on record in Saint Lucia reached 34°C (93°F) (July 16, 2024).
- Saint Lucia experienced its chilliest July day on July 24, 1996, reaching only 27°C (81°F).
- Nighttime temperatures dropped to 21°C (70°F) on July 22, 2017, marking the coldest July night on record.
Best Places in Saint Lucia in July
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 July →
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What to Wear in Saint Lucia in July
Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Saint Lucia in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Lucia, check out our Saint Lucia's climate page.
Temperature Rainfall Sunshine Humidity
See the full Saint Lucia climate overview or explore weather in Saint Lucia.
