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July Weather in Dumai, Indonesia

Last updated: August 23, 2025

In July, the average temperature in Dumai, Indonesia reaches a warm 28°C (82°F). Expect a range from a comfortable minimum of 22°C (72°F) to a toasty maximum of 34°C (94°F). During this month, you'll likely encounter 145 mm (5.7 in) of precipitation spread over 19 days, contributing to an average humidity of a humid 88%. Perfect for enjoying the lush greenery that comes with the rain!

July Temperature in Dumai

In July, in Dumai, the average temperature is a warm 28°C (82°F), with maximums reaching up to 34°C (94°F) and minimums dropping to around 22°C (72°F). This makes it an ideal destination for travelers seeking sunny and pleasant weather.

July Weather in Dumai: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Dumai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dumai, July typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec818282828382828281828181
Data source: Temperature data for Dumai generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Dumai

In Dumai in July, the precipitation amount is 145 mm (5.7 in) over a period of 19 days.

July Precipitation Trends in Dumai

The chart displays monthly precipitation patterns in Dumai, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Dumai, July typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec18495226257252153145173264285381295
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Dumai

In Dumai in July humidity is 88%. With an average temperature of 28°C (82°F), this humidity feels like walking through a warm, heavy blanket that clings to your skin, making even the simplest activities feel exhausting and necessitating frequent breaks in the shade.

July Average Humidity in Dumai

This chart illustrates the average monthly humidity levels in Dumai, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Dumai is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%82%84%87%88%88%90%89%90%90%90%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Dumai

In Dumai in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Dumai.

Maximum UV Index Levels in Dumai for July

The chart shows the monthly maximum UV Index (UVI) for Dumai in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Dumai typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516151412121414141313
Data source: Dumai July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How July Weather in Dumai Compares to Other Months

Weather in Dumai varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Dumai, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Dumai, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)184 mm (7.3 inches)87%extreme
February Weather28°C (82°F)95 mm (3.7 inches)81%extreme
March Weather28°C (83°F)226 mm (8.9 inches)82%extreme
April Weather28°C (83°F)257 mm (10.1 inches)84%extreme
May Weather28°C (83°F)252 mm (9.9 inches)87%extreme
June Weather28°C (83°F)153 mm (6.0 inches)88%extreme
July Weather28°C (82°F)145 mm (5.7 inches)88%extreme
August Weather28°C (82°F)173 mm (6.8 inches)90%extreme
September Weather27°C (82°F)264 mm (10.4 inches)89%extreme
October Weather28°C (82°F)285 mm (11.2 inches)90%extreme
November Weather27°C (81°F)381 mm (15.0 inches)90%extreme
December Weather27°C (82°F)295 mm (11.6 inches)89%extreme

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