Weather in Barbados in July

How July compares

July is the 5th warmest month of the year in Barbados and ranks 75th of 134 destinations we compare for July - see where else is hot in July. Against London's average high of 21.8°C in July, Barbados is 6.5°C warmer by day and 12.2°C warmer at night.

Daytime and night-time in July

The typical July day in Barbados peaks at 28.3°C, but that is an average: the warmest 10% of days reach 29.3°C or more. About 100% of days top 25°C and 1 in 17 pass 30°C. Nights average 25.7°C; one night in ten drops to 24.9°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest July day here reached 31.6°C (2020-07-22) and the coldest night 23.9°C (2018-07-01).

Rain in July

Wet (more than 8 rainy days): about 20 days with 1 mm or more, 110 mm in total. Year to year it varies a lot - the wettest July was 2011 with 229 mm, the driest 1994 with 45 mm. Humidity averages 80%, which makes the heat feel heavier than the thermometer suggests.

Sea temperature in July

The sea averages 28.0°C - warm enough to swim (22°c+). Depending on the year it ranges from 27.5°C to 28.5°C. For the warmest sea here, come in September (29.0°C).

Sunshine and daylight

Around 6.1 hours of sunshine a day (estimated from cloud cover), 12.7 hours of daylight: the sun rises about 05:40 and sets about 18:29 local time in mid-July. Average cloud cover is 52%.

Is July a good time to visit Barbados?

It is a reasonable choice: hot days but expect showers. The best months for Barbados on our scoring are February, March, April; months averaging 25°C or more: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.

Dependable heat, with little cooling after dark

July feels hot without average temperatures being especially extreme. Humidity is the bigger catch: at 80%, the air can feel close, particularly when you are walking around or sitting somewhere without much airflow. Pack loose, lightweight clothes and choose accommodation with effective cooling if warm bedrooms disturb your sleep. Evenings offer little temperature relief, so do not expect the cool finish to the day you might get at home. Keep strenuous activity away from midday, take shade breaks and carry water. This month suits travellers comfortable with persistent warmth more than those who like crisp evenings.

Rain needs a place in your plans

Rain is a regular consideration in July, not something to dismiss when planning the trip. About 20 rainy days means a rigid schedule of outdoor activities could become frustrating. That does not mean those days are wet throughout, but it does make flexibility more useful than assuming every day will stay dry. Sunshine averages 6.1 hours within 12.7 hours of daylight, so there is still scope for time in the sun. Carry a light waterproof layer and keep things you need dry in a protective bag. Choose plans you can rearrange rather than relying on a particular afternoon being clear.

Warm sea is the strongest reason to go

At 28°C, the sea is well suited to swimming, making water temperature a clear advantage of visiting in July. If chilly water usually puts you off, that is unlikely to be the obstacle here. The trade-off is between comfortable warmth in the water and humid, sometimes wet conditions on land. Build swimming time around the weather on the day, and remember that a warm sea does not by itself establish safe swimming conditions. Light clothes that dry readily are useful after a swim or a wet spell. July makes more sense for relaxed, adaptable days than for a tightly scheduled outdoor holiday.