Saint John Weather in July
Saint John in July averages 29°C (84°F) during the day and 26°C (79°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Saint John in July
Rain is expected on roughly 18 days, totalling around 91 mm (3.6 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Saint John in July
July is a good time to be in Saint John. Days are perfect, reaching 29°C (84°F), with nights around 26°C (79°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit US Virgin Islands, check out our Saint John's climate page.
Saint John Temperature in July
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
61%
Precipitation
91 mm (3.6 in)
Rainy days
18 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Saint John typically stay consistent throughout July, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in July
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Saint John in July
Browse day-by-day weather records for Saint John spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint John historical weather extremes in July
Based on weather observations in Saint John between 1997 and 2025, these are the recorded extremes during July.
- The hottest July day on record in Saint John reached 36°C (97°F) (July 29, 1997).
- On July 29, 2000, Saint John saw its coldest July day with temperatures maxing out at 28°C (82°F).
- The lowest overnight temperature recorded in July was 22°C (72°F) (July 11, 2016).
Best Places in US Virgin Islands in July
Find out more about the weather in US Virgin Islands and which places have the best travel conditions in this month. See all of US Virgin Islands in July →
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What to Wear in Saint John 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.What To Do in Saint John 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 US Virgin Islands, check out our Saint John's climate page.
See the full Saint John climate overview or explore weather in US Virgin Islands.
