Sun, sea & sand

Saint Croix weather in October

Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

76

Holiday weather in October

Good

Best time to visit: December – June

What is the weather like in Saint Croix in October?

In October, Saint Croix is hot: daytime highs average 28 °C, and even at night it stays warm at around 26 °C. The sea averages 29.2 °C – almost as warm as a bath. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 19 days, totalling 139 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Saint Croix.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score777678
Day28°28°27°
Night26°26°25°
Sea29°29°29°
Sun8 h8 h8 h
Rain days181916

More details for October

Daylight
11 h 46 min06:12 – 17:58
UV index
10 · very highclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
26 km/haverage daily peakAll months
Cloud cover
56 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC−4America/St_Thomas

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %80 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Saint Croix in October: quick answers

Is Saint Croix hot in October?

Yes. In October, Saint Croix is hot: daytime highs average 28 °C and nights stay around 26 °C.

Can you swim in Saint Croix in October?

Yes. In October the sea averages 29.2 °C – almost as warm as a bath.

Does it rain much in Saint Croix in October?

It rains often – on about 19 days, adding up to 139 mm.

Saint Croix month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences