November weather forecast
Dumai, Indonesia

The last month of the autumn, November, is another tropical month in Dumai, Indonesia, with temperature in the range of an average low of 24.2°C (75.6°F) and an average high of 31.2°C (88.2°F).

Temperature

As Dumai steps into November, the average high-temperature holds at a still hot 31.2°C (88.2°F), hinting at a minor fluctuation from the prior month. The average temperature in Dumai drops to a warm 24.2°C (75.6°F) during the night in the month of November.

Heat index

The heat index in November is appraised at a scorching 43°C (109.4°F). Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

November and December, with an average relative humidity of 83%, are the most humid months in Dumai, Indonesia.

Rainfall

In November, the rain falls for 26.4 days. Throughout November, 136mm (5.35") of precipitation is accumulated. Throughout the year, there are 286.4 rainfall days, and 1200mm (47.24") of precipitation is accumulated.

Sea temperature

In Dumai, in November, the average water temperature is 29.5°C (85.1°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

In November, the average length of the day is 12h and 3min.
On the first day of November, sunrise is at 05:56 and sunset at 17:59. On the last day of the month, sunrise is at 06:02 and sunset at 18:04 WIB.

Sunshine

In Dumai, Indonesia, the average sunshine in November is 7.2h.

UV index

The months with the highest UV index are January through September and November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 7 in November leads to these guidelines:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.