Seasonal ranking

Coldest sea temperature in US Virgin Islands in July

Where the sea is coolest across US Virgin Islands during July, ranked by long-term monthly average water temperature. Magens Bay (St Thomas, US Virgin Islands) is the coolest at around 29°C. Open any spot for today's live water temperature and a 7-day swim forecast.

  1. 1
    Magens Bay
    St Thomas · US Virgin Islands · Caribbean Sea
    Warm — comfortable swimming
    29°C
    July average
  2. 2
    Trunk Bay
    St John · US Virgin Islands · Caribbean Sea
    Warm — comfortable swimming
    29°C
    July average
  3. 3
    Coki Beach
    St Thomas & St John · US Virgin Islands · Caribbean Sea
    Warm — comfortable swimming
    29°C
    July average
  4. 4
    Cinnamon Bay
    St Thomas & St John · US Virgin Islands · Caribbean Sea
    Warm — comfortable swimming
    29°C
    July average
  5. 5
    Sandy Point St Croix
    St Croix · US Virgin Islands · Caribbean Sea
    Warm — comfortable swimming
    29°C
    July average

Coldest sea in July elsewhere

US Virgin Islands in July — frequently asked questions

Where is the sea coldest in US Virgin Islands in July?
Magens Bay in US Virgin Islands has the coldest sea in US Virgin Islands in July, averaging about 29.0 °C. Trunk Bay (29.0 °C) and Coki Beach are the next coolest.
How many beaches in US Virgin Islands are warm enough to swim in July?
5 of the top 5 ranked beaches in US Virgin Islands average 22 °C or more in July, which most swimmers find comfortable without a wetsuit.
How are these July sea temperatures calculated?
Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical July rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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