Weather in Aruba in October

How October compares

October is the 3rd warmest month of the year in Aruba and ranks 14th of 134 destinations we compare for October - see where else is hot in October. Against London's average high of 14.6°C in October, Aruba is 14.3°C warmer by day and 18.1°C warmer at night.

Daytime and night-time in October

The typical October day in Aruba peaks at 28.9°C, but that is an average: the warmest 10% of days reach 29.9°C or more. About 100% of days top 25°C and 1 in 10 pass 30°C. Nights average 26.5°C; one night in ten drops to 25.3°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest October day here reached 32.5°C (2020-10-08) and the coldest night 23.8°C (2011-10-21).

Rain in October

Wet (more than 8 rainy days): about 17 days with 1 mm or more, 104 mm in total. Year to year it varies a lot - the wettest October was 2008 with 355 mm, the driest 1993 with 14 mm. Humidity averages 80%, which makes the heat feel heavier than the thermometer suggests.

Sea temperature in October

The sea averages 28.5°C - warm enough to swim (22°c+). Depending on the year it ranges from 27.9°C to 29.1°C. For the warmest sea here, come in September (28.5°C).

Sunshine and daylight

Around 4.1 hours of sunshine a day (estimated from cloud cover), 11.7 hours of daylight: the sun rises about 06:30 and sets about 18:22 local time in mid-October. Average cloud cover is 65%.

Is October a good time to visit Aruba?

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

Expect heat that lasts into the evening

The change from a UK autumn is substantial: London averages a daytime high of 14.6°C in October, while Aruba averages 28.9°C. Pack light, breathable clothing and plan breaks from the heat around midday rather than treating it as the best time for sustained activity. Humidity averages 80%, so the temperature alone does not tell the whole story about comfort. Nights average 26.5°C, which means evenings remain warm rather than offering much cooling relief. Air-conditioned accommodation is a sensible priority if you struggle to sleep in heat. This month suits heat-lovers better than travellers who prefer cool evenings and comfortable conditions for long walks.

Warm water, but keep outdoor plans flexible

Rain is the main compromise in October. About 17 days receive measurable rain, so allow room to move outdoor plans rather than relying on a fixed schedule. That figure does not mean those days are wet throughout, but it is enough to make a completely dry holiday a poor expectation. Sunshine averages about 4.1 hours within 11.7 hours of daylight: there is daylight for outdoor time, but bright sun is far from guaranteed throughout it. Pack a light waterproof alongside sun protection, and have something to do when rain interrupts your plans. The warm sea remains a reason to go, provided you are comfortable with mixed weather above it.