Jamestown Weather in July
Jamestown in July sees high temperatures, with highs around 22°C (72°F) and overnight lows of 20°C (68°F). With just 14 mm (0.6 in) of rainfall on average, rain is rarely an issue.
Rainfall in Jamestown in July
Records from the past 30 years suggest around 11 days of rain, with 14 mm (0.6 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Jamestown in July
July in Jamestown is generally excellent, with days reaching 22°C (72°F) and nights settling around 20°C (68°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Helena, check out our Jamestown's climate page.
Jamestown Temperature in July
Min Temperature
20°C (68°F)
Max Temperature
22°C (72°F)
Chance of Rain
36%
Precipitation
14 mm (0.6 in)
Rainy days
11 days
Humidity
74%
Daily Historical Temperatures
48-year average (1978-2025)
Based on our historical records, temperatures in Jamestown typically stay consistent throughout July, with daily highs averaging around 22°C (72°F). Nights are pleasant, with lows around 15°C (59°F).
Average temperatures in July
Daily Historical Precipitation
48-year average (1978-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Jamestown in July
Browse day-by-day weather records for Jamestown spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jamestown historical weather extremes in July
The extremes listed below come from historical weather data collected in Jamestown from 2002 through 2026.
- Jamestown recorded its highest July temperature of 22°C (72°F) on July 15, 2005.
- On July 15, 2012, Jamestown saw its coldest July day with temperatures maxing out at 16°C (61°F).
- Jamestown registered its coldest July night on July 23, 2018, with temperatures dropping to 12°C (54°F).
Best Places in Saint Helena in July
Find out more about the weather in Saint Helena and which places have the best travel conditions in this month. See all of Saint Helena in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Jamestown in July
Pleasant temperatures in July mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. With minimal rainfall expected, you can leave the rain gear at home.What To Do in Jamestown 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 Saint Helena, check out our Jamestown's climate page.
See the full Jamestown climate overview or explore weather in Saint Helena.
