Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Northern Islands Municipality, Northern Mariana Islands in December
Weather score74Very good
Very good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 39mm, which is relatively low for holiday planning.
December weather
Monthly averages
Temp
29°C
Rain
39mm
Sun
0h
Sea
28°C
Weather score
74
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 39mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Northern Islands Municipality, Northern Mariana Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December29°C average high
December is close to Northern Islands Municipality's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsMay to December
This stretch sets the upper range for average daytime heat.
Rain
December39mm average rain
December is one of Northern Islands Municipality's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to June and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December0 hours average sun
December is close to Northern Islands Municipality's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
December28°C average sea
December is close to Northern Islands Municipality's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaMay to November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December74 weather score
December scores above Northern Islands Municipality's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to June
These months have the strongest weather score in the monthly averages.