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Garapan Weather in December
December in Garapan brings high temperatures, with daytime highs of 29°C (84°F) and nights around 27°C (81°F). Quite a bit of rainfall is expected, around 80 mm (3.1 in), so pack an umbrella.
Rainfall in Garapan in December
Typically, you can expect about 23 days of rain this month, with 80 mm (3.1 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Garapan in December
The temperature in Garapan in December is excellent. Daytime highs reach 29°C (84°F), with nights dropping to 27°C (81°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May and December typically offer the best weather for Garapan.
Garapan Temperature in December
Min Temperature
27°C (81°F)
Max Temperature
29°C (84°F)
Chance of Rain
76%
Precipitation
80 mm (3.1 in)
Rainy days
23 days
Garapan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Garapan - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Garapan typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in December
Historical weather records for Garapan in December
Browse day-by-day weather records for Garapan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Garapan historical weather extremes in December
Based on 22 years of weather observations (2003-2025), these are the most extreme conditions recorded in Garapan.
- On December 16, 2025, temperatures climbed to 37°C (99°F), marking the warmest December day on record.
- The lowest daytime temperature in December was 26°C (79°F), recorded on December 28, 2005.
- Nighttime temperatures dropped to 22°C (72°F) on December 8, 2019, marking the coldest December night on record.
Best Places in Northern Mariana Islands in December
Find out more about the weather in Northern Mariana Islands and which places have the best travel conditions in this month. See all of Northern Mariana Islands in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Garapan in December
Warm but pleasant conditions in Garapan in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days.
What To Do in Garapan in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Garapan 3-Day Forecast
More climate data for Garapan
See the full Garapan climate overview or explore weather in Northern Mariana Islands.
Popular in December
Where to go in December - average daytime high across popular destinations.
Bucket list
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