July weather forecast
Tainan, Taiwan

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Weather in July

July continues the trend set by June, with heavy rainfall, high humidity, and high temperatures being the defining characteristics. Tainan's weather during this period clearly embodies the traits of a tropical rainforest climate. A high rainfall is an integral part of July's weather profile, with the city receiving on average 358mm (14.09") of rain. Days are long, allowing for considerable exposure to sunlight despite the frequent showers. Therefore, July represents the heart of the wet season in Tainan.

Temperature

In Tainan, July is identified by the highest average temperatures, reaching a peak of 32.9°C (91.2°F) and a low of 26.4°C (79.5°F).

Heat index

Throughout July, the heat index is computed to be a burning hot 47°C (116.6°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.
Note that heat index values are valued for light wind and location in the shade. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In Tainan, the average relative humidity in July is 78.8%.

Rainfall

In July, in Tainan, Taiwan, the rain falls for 12.2 days. Throughout July, 358mm (14.09") of precipitation is accumulated. Throughout the year, in Tainan, there are 87.4 rainfall days, and 1698mm (66.85") of precipitation is accumulated.

Sea temperature

In July, the average sea temperature in Tainan is 29°C (84.2°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

The average length of the day in July in Tainan is 13h and 23min.
On the first day of July in Tainan, sunrise is at 05:17 and sunset at 18:48. On the last day of the month, sunrise is at 05:29 and sunset at 18:41 CST.

Sunshine

July has the most sunshine of the year in Tainan, with an average of 6.8h of sunshine.

UV index

The months with the highest UV index in Tainan are April through August, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 12 during July translates into the following guidance:
Adopt all important safety measures, unprotected skin may burn rapidly. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Sunscreen with an SPF of 30 or higher should be applied generously and frequently reapplied even on cloudy days, especially after each swim or outdoor workout. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Updated: Feb 5, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the hottest in Tainan?

During the warmest month in Tainan, July, temperatures average a high of 32.9°C (91.2°F) and a low of 26.4°C (79.5°F).

How hot does it get in Tainan in July?

In Tainan, in July, the average high-temperature is 32.9°C (91.2°F), and the average low-temperature is 26.4°C (79.5°F). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in July is computed to be 47°C (116.6°F).

What is the average humidity in July in Tainan?

In July, the average relative humidity in Tainan, Taiwan, is 78.8%.

How much does it rain in Tainan in July?

In July, the rain falls for 12.2 days. Throughout July, 358mm (14.09") of precipitation is accumulated.

What is the sea water temperature in July in Tainan?

In Tainan, Taiwan, the average seawater temperature in July is 29°C (84.2°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 Tainan have in July?

In July, the average day length in Tainan is 13h and 23min.

When is the sunrise / sunset in July in Tainan?

In July, on the first day of the month, sunrise is at 05:17 and sunset at 18:48. On the last day of the month, sunrise is at 05:29 and sunset at 18:41 CST.

What month has the most sunshine in Tainan?

With an average of 6.8h of sunshine, July has the most sunshine of the year in Tainan, Taiwan.

How long on average sun shines in July in Tainan?

The average sunshine duration in July in Tainan is 6.8h.

When is the highest UV index in Tainan?

The months with the highest UV index in Tainan, Taiwan, are April through August, with an average maximum UV index of 12.

What is the UV index reading in July in Tainan?

In July, the average daily maximum UV index in Tainan, Taiwan, is 12. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in July
Tainan, Taiwan

Average temperature in July - Tainan, Taiwan
  • Average high temperature in July: 32.9°C

The warmest month (with the highest average high temperature) is July (32.9°C).
The month with the lowest average high temperature is January (22.9°C).

  • Average low temperature in July: 26.4°C

The month with the highest average low temperature is July (26.4°C).
The coldest month (with the lowest average low temperature) is January (14.1°C).

Average humidity in July
Tainan, Taiwan

Average humidity in July - Tainan, Taiwan
  • Average humidity in July: 78.8%

The month with the highest relative humidity is August (79.7%).
The month with the lowest relative humidity is December (75.5%).

Average rainfall in July
Tainan, Taiwan

Average rainfall in July - Tainan, Taiwan
  • Average rainfall in July: 357.7mm

The wettest month (with the highest rainfall) is August (395.1mm).
The driest month (with the least rainfall) is December (14.4mm).

Average rainfall days in July
Tainan, Taiwan

Average rainfall days in July - Tainan, Taiwan
  • Average rainfall days in July: 12.2 days

The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is November (2.2 days).

Average sea temperature in July
Tainan, Taiwan

Average sea temperature in July - Tainan, Taiwan
  • Average sea temperature in July: 29°C

The best month for swimming (with the highest average sea temperature) is August (29.2°C).
The coldest month (with the lowest average sea temperature) is January (23.3°C).

Average daylight in July /
Average sunshine in July
Tainan, Taiwan

Average daylight in July / Average sunshine in July - Tainan, Taiwan
  • Average daylight in July: 13h and 2min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in July: 6h and 5min

The month with the most sunshine is July (Average sunshine: 6h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average UV index in July
Tainan, Taiwan

Average UV index in July - Tainan, Taiwan
  • Average UV index in July: 12

The months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

Tainan, Taiwan

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