May Weather in Mersak, Indonesia

Last updated: August 23, 2025

In Mersak, Indonesia, the average temperature in May is a pleasant 19°C (67°F). You'll experience a comfortable range, with minimums dipping to 14°C (58°F) and maximums reaching up to 27°C (82°F). However, be prepared for wet weather, as the precipitation amounts to 502 mm (19.8 in) spread over 29 days, contributing to an average humidity of 77%.

May Temperature in Mersak

In May in Mersak, the average temperature is 19°C (67°F). Maximums can reach 27°C (82°F) and minimums can be as low as 14°C (58°F). This pleasant weather makes it an ideal time for exploring the outdoor attractions and enjoying local activities.

May Weather in Mersak: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mersak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mersak, May typically has an average temperature of 19°C (67°F), with highs reaching up to 27°C (82°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec656666666766656565656565
Data source: Temperature data for Mersak 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.

May Precipitation in Mersak

In Mersak in May, the total precipitation amount is 502 mm (19.8 in) spread over 29 days.

May Precipitation Trends in Mersak

The chart displays monthly precipitation patterns in Mersak, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Mersak, May typically receives around 502 mm (19.8 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec318292445557502297296328456463569559
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mersak

In Mersak in May, humidity is 77%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel slightly more challenging as the air clings to your skin, turning every step into a leisurely stroll through a sauna.

May Average Humidity in Mersak

This chart illustrates the average monthly humidity levels in Mersak, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Mersak is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%74%73%77%79%78%81%84%85%83%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mersak

In Mersak in May, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Mersak.

Maximum UV Index Levels in Mersak for May

The chart shows the monthly maximum UV Index (UVI) for Mersak in May, 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 May, the maximum UV index in Mersak typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617171614131515161413
Data source: Mersak May 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 May Weather in Mersak Compares to Other Months

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

This table compares monthly weather conditions in Mersak, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (66°F)318 mm (12.5 inches)79%extreme
February Weather19°C (66°F)292 mm (11.5 inches)73%extreme
March Weather19°C (66°F)445 mm (17.5 inches)74%extreme
April Weather19°C (66°F)557 mm (21.9 inches)73%extreme
May Weather19°C (67°F)502 mm (19.8 inches)77%extreme
June Weather19°C (66°F)297 mm (11.7 inches)79%extreme
July Weather19°C (66°F)296 mm (11.7 inches)77%extreme
August Weather19°C (66°F)327 mm (12.9 inches)81%extreme
September Weather18°C (65°F)456 mm (18.0 inches)84%extreme
October Weather18°C (65°F)463 mm (18.2 inches)85%extreme
November Weather18°C (65°F)569 mm (22.4 inches)83%extreme
December Weather19°C (66°F)559 mm (22.0 inches)81%extreme

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