2026 Climate Averages

Weather in Ha Long Bay in July

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

July is a wet time to visit Ha Long Bay. Ha Long Bay has a Moderate climate with average yearly highs of 31°C, lows of 28°C, and approximately 22 rainy days per month.

Avg High

31°C

Avg Low

28°C

Rainy days

22days

Daylight

13.3h

Is July a good time to visit Ha Long Bay?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Daylight

Sunrise

5:19 AM

Sunset

6:36 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 21°C 17°C 14 Wet
February 21°C 17°C 12 Good
March 24°C 20°C 17 Excellent (best)
April 24°C 20°C 13 Excellent (best)
May 30°C 26°C 15 Excellent (best)
June 32°C 29°C 19 Wet
July 31°C 28°C 22 Wet
August 30°C 26°C 27 Wet
September 30°C 26°C 29 Excellent (best)
October 27°C 22°C 11 Excellent (best)
November 26°C 20°C 3 Excellent (best)
December 20°C 15°C 5 Good

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for July

Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Climate: Moderate
Travel Context Perfect weather for walking tours and all-day sightseeing.

Planning a trip to Ha Long Bay?

Common Questions

Is July a good time to visit Ha Long Bay? +

July is typically Wet for visiting Ha Long Bay, with average highs of 31°C and around 22 rainy days.

What should I pack for Ha Long Bay in July? +

With highs of 31°C and lows of 28°C in {month}, we recommend: Lightweight clothes, sunglasses, sunscreen, and breathable fabrics.

Does it rain a lot in Ha Long Bay in July? +

Ha Long Bay typically sees around 22 rainy days in July.

How many hours of daylight are there in Ha Long Bay in July? +

In July, Ha Long Bay gets approximately 13.3 hours of daylight per day.

Is July peak season in Ha Long Bay? +

No, July is not peak season in Ha Long Bay. Expect better value on accommodation and fewer tourists.

What is the best month to visit Ha Long Bay? +

The best months to visit Ha Long Bay are March, April, May, September, October, November, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Bangkok)

Last Updated: January 2026

More Ha Long Bay Guides

Best Time to Visit

Coming soon

Things to Do

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Itineraries

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Overview

Complete travel guide for Ha Long Bay: top things to do, itineraries, and typical costs.

Read Full Guide

July

31° / 28°
View Full Destination Guide