Cat Ba Weather in July
During July, Cat Ba experiences very high daytime temperatures of 32°C (90°F) and cooler nights around 28°C (82°F). July sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Cat Ba in July
As part of the rainy season, Cat Ba sees around 15 days of rain in July, with an average of 316 mm (12 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Cat Ba in July
In July, expect very high temperatures in Cat Ba, with highs of 32°C (90°F) and lows of 28°C (82°F) at night. It's usually most comfortable outside during the morning and later in the day. With overnight lows of 28°C (82°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.Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water. Especially if you find yourself outdoors for a longer period.
Sunshine in Cat Ba in July
There are approximately 200 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.July in Cat Ba has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vietnam, check out our Cat Ba's climate page.
Cat Ba Temperature in July
Min Temperature
28°C (82°F)
Max Temperature
32°C (90°F)
Chance of Rain
50%
Precipitation
316 mm (12 in)
Rainy days
15 days
Humidity
84% *
Sunshine
200 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cat Ba typically stay consistent throughout July, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in July
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 July
Historical weather for Cat Ba in July
Browse day-by-day weather records for Cat Ba spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cat Ba historical weather extremes in July
Based on weather observations in Cat Ba between 1992 and 2025, these are the recorded extremes during July.
- The warmest day in July was on July 13, 2015, with a maximum of 40°C (104°F).
- Cat Ba experienced its chilliest July day on July 23, 2004, reaching only 24°C (75°F).
- Cat Ba registered its coldest July night on July 6, 2008, with temperatures dropping to 23°C (73°F).
Best Places in Vietnam in July
Find out more about the weather in Vietnam and which places have the best travel conditions in this month. See all of Vietnam in July →
perfect weather
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tolerable
unpleasant
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What to Wear in Cat Ba 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). Also bring a poncho, it will rain a lot! Waterproof everything you can. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Cat Ba 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 Vietnam, check out our Cat Ba's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cat Ba climate overview or explore weather in Vietnam.
