Measurements:
°C
°F
Guam
84°F
W 9 mph
Feels like: 92°F
Precip: 0%
World Resorts Northern Mariana Islands Guam Weather January Weather in Guam

Guam Weather: January

Average Day Temperature: 87.7°F
Average Night Temperature: 84.2°F
Sea Water Temperature: 86.4°F
Number of Sunny Days: 3 days
Sunshine Hours: 11.3 - 11.5 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.8 in

Air Temperature in January, °F

Select Year: 2024 2023 2022

The highest day temperature in January 2024 was 88°F. The lowest night temperature was 80°F. The average values for day and night temperatures during January were 84.9°F и 82.4°F respectivly.

Guam Water Sea Temperature in January, °F

Select Year: 2024 2023 2022

The average sea surface temperature in January 2024 for Guam was 86.9°F. The maximum and minimum values were 86.0°F and 87.6°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in January are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in January, in

Precipitation total in January for Guam is 2.8 in. It makes january one of the least rainy months of the year.

Wind Speed in January, mph

The average wind speed in January is 16.9 mph. It makes January one of the most windy months of the year for Guam.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Guam in January is 5.3 hours.

Best Time to Visit Guam
The most sunny months:
July 6 days
August 5 days
September 5 days
The most warm months:
June 92.1 °F
July 92.0 °F
August 91.5 °F
Warmest sea temperature:
August 89.4 °F
September 89.4 °F
July 89.3 °F
The most cold months:
February 87.0 °F
January 87.7 °F
March 88.1 °F
The most rainy months:
October 16 days
August 15 days
September 15 days
The most windy months:
December 17 mph
February 17 mph
January 17 mph

Guam on the Weather Map

Northern Mariana Islands Resorts:
NAME
Guam +84
Rota +86
Saipan +86
Susupe +86
Tinian +86
24 Hours Weather Forecast
Guam
Local time: 20:22
19 apr, friday
2100 84°F
W
9 mph
20 apr, saturday
0000 84°F
W
11 mph
0300 82°F
W
11 mph
0600 84°F
W
12 mph
0900 86°F
W
14 mph
1200 88°F
W
14 mph
1500 88°F
W
14 mph
1800 86°F
W
14 mph