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August Weather in Umatac Village, Guam

Last updated: August 23, 2025

In Umatac Village, Guam, the average temperature in August hovers around 28°C (82°F), offering a warm atmosphere ideal for outdoor activities. Expect minimum temperatures of 25°C (78°F) and a maximum of 30°C (85°F). However, be prepared for some rain, as precipitation totals 388 mm (15.3 in) over 29 days. With an average humidity of 80%, the air can feel quite muggy, making it essential to stay hydrated and cool.

August Temperature in Umatac Village

In August in Umatac Village, the average temperature is 28°C (82°F), with maximums reaching up to 30°C (85°F) and minimums dropping as low as 25°C (78°F). This pleasant climate makes it an ideal time for travelers seeking warm weather and outdoor adventures.

August Weather in Umatac Village: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Umatac Village, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Umatac Village, August typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (85°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec818080818282828282828282
Data source: Temperature data for Umatac Village 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.

August Precipitation in Umatac Village

In Umatac Village in August, the total precipitation amount is 388 mm (15.3 in) spread over 29 days.

August Precipitation Trends in Umatac Village

The chart displays monthly precipitation patterns in Umatac Village, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Umatac Village, August typically receives around 388 mm (15.3 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec6380609482160275388369358207115
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Umatac Village

In Umatac Village in August, humidity is 80%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities sweaty and demanding frequent breaks in the shade while traveling.

August Average Humidity in Umatac Village

This chart illustrates the average monthly humidity levels in Umatac Village, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Umatac Village is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%84%84%83%80%80%80%81%80%82%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Umatac Village

In Umatac Village in August, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Umatac Village, you can check here.

Maximum UV Index Levels in Umatac Village for August

The chart shows the monthly maximum UV Index (UVI) for Umatac Village in August, 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 August, the maximum UV index in Umatac Village typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151314141415141211
Data source: Umatac Village August 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 August Weather in Umatac Village Compares to Other Months

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

This table compares monthly weather conditions in Umatac Village, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)63 mm (2.5 inches)83%extreme
February Weather27°C (80°F)80 mm (3.1 inches)82%extreme
March Weather27°C (81°F)60 mm (2.4 inches)84%extreme
April Weather27°C (81°F)94 mm (3.7 inches)84%extreme
May Weather28°C (82°F)82 mm (3.2 inches)83%extreme
June Weather28°C (82°F)160 mm (6.3 inches)80%extreme
July Weather28°C (82°F)275 mm (10.8 inches)80%extreme
August Weather28°C (82°F)388 mm (15.3 inches)80%extreme
September Weather28°C (82°F)369 mm (14.5 inches)81%extreme
October Weather28°C (82°F)358 mm (14.1 inches)80%extreme
November Weather28°C (82°F)207 mm (8.1 inches)81%extreme
December Weather28°C (82°F)115 mm (4.5 inches)84%extreme

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