Newcastle Weather in August
Newcastle in August sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 25°C (77°F). Rainfall is fairly high at around 97 mm (3.8 in) on average, so pack waterproofs just in case.
Rainfall in Newcastle in August
Analyzing past climate data, one can expect approximately 13 days of rain, averaging 97 mm (3.8 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Newcastle in August
In August, Newcastle sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 25°C (77°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference. Typical temperatures can be misleading; some days will be hotter. Prepare with light clothing and plenty of hydration to stay cool.
Sunshine in Newcastle in August
Expect a lot of sunshine this month, with about 263 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Newcastle in August
Wind speeds average 3 m/s (6 knots) during August. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in August
The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.Should you favor a climate that's both dry and comfortably warm, January, February, March, April and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Jamaica, check out our Newcastle's climate page.
Newcastle Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
29°C (84°F) *
Chance of Rain
44%
Precipitation
97 mm (3.8 in)
Rainy days
13 days
Humidity
76% *
Windspeed
3 m/s (6 knots) *
Sunshine
263 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Newcastle typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Newcastle in August
Browse day-by-day weather records for Newcastle spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Newcastle historical weather extremes in August
According to our 21 years of weather records for Newcastle, the following extremes were recorded between 2004 and 2025.
- The warmest day in August was on August 5, 2004, with a maximum of 37°C (99°F).
- The coldest August day was on August 11, 2007, with a maximum of 27°C (81°F).
- The lowest overnight temperature recorded in August was 22°C (72°F) (August 13, 2013).
Best Places in Jamaica in August
Find out more about the weather in Jamaica and which places have the best travel conditions in this month. See all of Jamaica in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Newcastle in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Newcastle in August
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 Jamaica, check out our Newcastle's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Newcastle climate overview or explore weather in Jamaica.
