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January Weather in Umatac Village, Guam

Last updated: August 23, 2025

In January, the average temperature in Umatac Village, Guam hovers around 27°C (81°F), with a minimum of 25°C (77°F) and a comfortable maximum of 29°C (84°F). Expect 63 mm (2.5 in) of precipitation spread over 16 days, contributing to a notable average humidity of 83%.

January Temperature in Umatac Village

In January in Umatac Village, the average temperature is 27°C (81°F). Maximums can reach 29°C (84°F), while minimums can drop to 25°C (77°F). This mild and pleasant weather makes Umatac Village an ideal destination for travelers seeking warmth and comfort.

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

The chart illustrates January 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, January typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (84°F) and lows dropping to around 25°C (77°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.

January Precipitation in Umatac Village

In Umatac Village in January, the precipitation amount is 63 mm (2.5 in), occurring over the course of 16 days.

January Precipitation Trends in Umatac Village

The chart displays monthly precipitation patterns in Umatac Village, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Umatac Village, January typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6380609482160275388369358207115
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Umatac Village

In Umatac Village in January humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

January Average Humidity in Umatac Village

This chart illustrates the average monthly humidity levels in Umatac Village, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Umatac Village is approximately 83%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Umatac Village

In Umatac Village in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Umatac Village.

Maximum UV Index Levels in Umatac Village for January

The chart shows the monthly maximum UV Index (UVI) for Umatac Village in January, 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 January, the maximum UV index in Umatac Village typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151314141415141211
Data source: Umatac Village January 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 January 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 January’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 January’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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