Also consider one of our other suggestions for July.
The average maximum temperature in St Thomas in July is 32°. The average maximum temperature is 31° in the previous month and 31° in the next month.
The average temperature in St Thomas in July is 29°. The average temperature ranges is 29° in the previous month and 29° in the next month.
The average minimum temperature in St Thomas in July is 26°. The minimum temperature is 26° in the previous month and 26° in the next month.
The average day light hours per day in St Thomas in July are 13.1 and there are 9.3 hours of sunshine per day on average during July making it a sunny month with few clouds.
The ultraviolet index in St Thomas in July is typically 12.9 during July. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in St Thomas in July is 27.9° which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in St Thomas in July is 10.2cm and on average there are 21.1 rainy days in July making it a very wet time to visit the beach.
The maximum dew point (an indicator of humidity) in St Thomas in July is 25° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 24° in the previous month and 25° in the next month.
The average maximum relative humidity in St Thomas in July is typically 86.5%. The maximum relative humidity is 85.2% in the previous month and 86.2% in the next month.
The average relative humidity in St Thomas in July is typically 74.5%. The average relative humidity is 74.2% in the previous month and 74.8% in the next month.
The average maximum wind speed in St Thomas in July is typically 32kmh. The average maximum wind speed is 30kmh in the previous month and 31kmh in the next month.
The average wind speed in St Thomas in July is typically 18kmh. The average wind speed is 17kmh in the previous month and 17kmh in the next month.
The average wind direction in St Thomas in July is from the East.
