GuamThe weather in January in Hagåtña
It's hot in January in Hagåtña 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.
Looking for sun? January isn’t a good month to be in Hagåtña. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in January for Hagåtña, Guam. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 33°C in 2018, Hagåtña 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.
Water temperature
The water temperature at Hagåtña is 30°C this month. It’s really warm, perfect for a swim.
Rainfall amount
In January, there is an average of 252 mm of precipitation, spread over 23 days. The wind speed is around 5 Bft, mostly coming from the East.
Daily weather in January for Hagåtña
Click on any day in January to get detailed info about the usual weather on that day in Hagåtña. Check out the historical temperatures and precipitation over the past 10 years on this day.
January weather comparison
| Hagåtña | New York | |
|---|---|---|
| Average temperature | 30°C | 5°C |
| Max. temperature | 31°C | 11°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 252 mm | 97 mm |
| Rainy days | 23 days | 12 days |
Start of January
The month of January starts in Hagåtña with hot temps, averaging around 31°C during the day and nights around 25°C.
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.
End of January
By the end of January, the average daytime temperature in Hagåtña is around 30°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation.
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.
Check out the climate of Hagåtña for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in January in Hagåtña, Guam. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Hagåtña
Temperature in January in Hagåtña over the years
Precipitation charts
These charts show the average amount of precipitation in January in Hagåtña, Guam. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in January in Hagåtña
Total precipitation in January in Hagåtña over the years
Daily UV index in January in Hagåtña
This chart shows the average daily UV index in January in Hagåtña, 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.
Weather experiences in January in Hagåtña
Have you been to Hagåtña in January?
Share your weather experience in January in Hagåtña.
Average weather in Hagåtña by month
Click on a month below to see detailed weather info for Hagåtña. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.