Average weather for Guam in January
It's hot in January in Guam with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 24°C and 26°C.
Start of January
The month of January starts in Guam with hot temps, averaging around 31°C during the day and nights around 25°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid January
By mid-January, daytime temps drop to around 30°C, with nights around 26°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of January
By the end of January, the average daytime temperature in Guam is around 30°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In January, there is an average of 252 mm of precipitation, spread over 16 days. The wind speed is around 5 Bft, mostly coming from the East.
Guam in January |
New York | ||
|---|---|---|---|
 Average temperature |
30°C | 5°C | |
 Max. temperature |
31°C | 11°C | |
| Min. temperature |
29°C | -5°C | |
 Total precipitation |
252 mm | 97 mm | |
| Rainy days |
16 days | 12 days | |
December
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is January a good time to visit Guam?
Looking for sun? January isn’t a good month to be in Guam. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 33°C in 2018, Guam reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 26°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 27°C.
Check out the climate of Guam for all months and discover the best travel time
Daily Temperature in January in Guam
This chart shows the average daily high and low temperatures in January for Guam, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Weather experiences in January in Guam
Good
The evenings cooled off pleasantly and provided a good night... more
Daily Precipitation in January in Guam
The chart below shows the average daily precipitation in January for Guam, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for January, you can expect about 16 days of precipitation in Guam.
Daily UV index in January in Guam
This chart shows the average daily UV index in January in Guam, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in January in Guam over the years
This chart shows the average temperature in January in Guam, measured in degrees Celsius, over the past few years.
Total precipitation in January in Guam over the years
This chart shows the average precipitation in January in Guam, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in January for Guam
Click on any day in January to get detailed info about the usual weather on that day in Guam. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in January in Guam
The weather in January in Guam is rated 4 out of 5 stars by 1 visitor. Have you been to Guam? Share your weather experience to help other visitors.
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The evenings cooled off pleasantly and provided a good night's sleep. There were occasional tropical showers, but they were brief and refreshing.— This text is automatically translated to English
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Average weather in Guam by month
Click on a month below to see detailed weather info for Guam. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
