July weather forecast
Bangkok, Thailand

A beautiful park outside the Wat Ratchanatdaram Temple in the heart of Bangkok, Thailand
A beautiful park outside the Wat Ratchanatdaram Temple in the heart of Bangkok, Thailand

July

Weather in July

During July, Bangkok, Thailand sees a persistence of the monsoon season with peak rainfall spreading equally throughout the month. Local living adjusts to the 175mm (6.89") of precipitation, characterizing the city's weather at this time. Despite the overcast sky and showers, the enchanting city continues to showcase its charm. The tropical climate persists, evident in the stable sea temperatures and consistent temperatures. Preparations for the tail end of the monsoon season start as August approaches with promising weather changes.

Temperature

June's transformation into July witnesses an average high-temperature of a still tropical 33.2°C (91.8°F), noting a minor change from the preceding month. The month of July records an average low-temperature of 25.7°C (78.3°F).

Heat index

July's heat index is estimated at a blazing hot 46°C (114.8°F). Prudent: Heat cramps and heat exhaustion are likely. Heatstroke becomes imminent with sustained exertion.
Remember that heat index calculations are made for conditions in the shade with light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

The average relative humidity in July is 75%.

Rainfall

In July, the rain falls for 18 days. Throughout July, 175mm (6.89") of precipitation is accumulated. In Bangkok, during the entire year, the rain falls for 128 days and collects up to 1648mm (64.88") of precipitation.

Sea temperature

In Bangkok, in July, the average water temperature is 29.2°C (84.6°F).
Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations.

Daylight

The average length of the day in July in Bangkok is 12h and 51min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:49. On the last day of July, sunrise is at 06:02 and sunset at 18:46 +07.

Sunshine

In Bangkok, the average sunshine in July is 5.5h.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 12 in July translates into these instructions:
Take every vital safeguard, as unprotected skin and eyes may suffer burns rapidly. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Regularly apply and reapply a broad-spectrum sunscreen with a minimum SPF 30 every two hours, or straight after swimming or an outdoor activity. Be on guard! The reflective nature of sand and water boosts UV exposure.

Frequently asked questions

How hot is it in July?
In Bangkok, in July, the average high-temperature is 33.2°C (91.8°F), and the average low-temperature is 25.7°C (78.3°F). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 46°C (114.8°F).
What is the average humidity in July?
In July, the average relative humidity is 75%.
How many days does it rain in July?
In Bangkok, during July, the rain falls for 18 days and regularly aggregates up to 175mm (6.89") of precipitation.
What is the sea water temperature in July?
In Bangkok, in July, the average water temperature is 29.2°C (84.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
How many hours of daylight does Bangkok have in July?
In Bangkok, the average day length in July is 12h and 51min.
What time are sunrise and sunset in July?
On the first day of July, sunrise is at 05:54 and sunset at 18:49. On the last day of the month, sunrise is at 06:02 and sunset at 18:46 +07.
How many hours of sunshine does Bangkok have in July?
In Bangkok, the average sunshine duration in July is 5.5h.
When is the highest UV index?
The months with the highest UV index are February through September, with an average maximum UV index of 12.
What is the UV index intensity in July?
The average daily maximum UV index in July is 12. A UV Index reading of 11, and higher, represents an ultimate hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average humidity
Average rainfall
Average rainfall days
Average sea temperature
Average daylight
Average sunshine
Average UV index
Average temperature in July - Bangkok, Thailand
Average temperature in July
Bangkok, Thailand
  • Average high temperature in July: 33.2°C

The warmest month (with the highest average high temperature) is April (35.4°C).
The month with the lowest average high temperature is December (31.7°C).

  • Average low temperature in July: 25.7°C

The month with the highest average low temperature is April (26.9°C).
The coldest month (with the lowest average low temperature) is December (22°C).

Average humidity in July - Bangkok, Thailand
Average humidity in July
Bangkok, Thailand
  • Average humidity in July: 75%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is December (66%).

Average rainfall in July - Bangkok, Thailand
Average rainfall in July
Bangkok, Thailand
  • Average rainfall in July: 175.1mm

The wettest month (with the highest rainfall) is September (334.3mm).
The driest month (with the least rainfall) is December (6.3mm).

Average rainfall days in July - Bangkok, Thailand
Average rainfall days in July
Bangkok, Thailand
  • Average rainfall days in July: 18 days

The month with the highest number of rainy days is September (21 days).
The months with the least rainy days are January and December (1 days).

Average sea temperature in July - Bangkok, Thailand
Average sea temperature in July
Bangkok, Thailand
  • Average sea temperature in July: 29.2°C

The best month for swimming (with the highest average sea temperature) is May (29.9°C).
The coldest month (with the lowest average sea temperature) is January (26.7°C).

Average daylight in July / Average sunshine in July - Bangkok, Thailand
Average daylight in July /
Average sunshine in July
Bangkok, Thailand
  • Average daylight in July: 12h and 5min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in July: 5h and 3min

The month with the most sunshine is February (Average sunshine: 9h and 0min).
The months with the least sunshine are August and September (Average sunshine: 5h and 12min).

Average UV index in July - Bangkok, Thailand
Average UV index in July
Bangkok, Thailand
  • Average UV index in July: 12

The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

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