Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Northern Mariana Islands in December
Weather score66Good
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 2.3h per day, so this is not one of the brighter months. Rainfall averages 80mm, so some wet days are possible.
December weather
Monthly averages
Temp
30°C
Rain
80mm
Sun
2.3h
Sea
28°C
Weather score
66
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 80mm, so some wet days are possible.
Limited sun
Sunshine averages 2.3h 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 Mariana Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December30°C average high
December is close to Northern Mariana Islands' yearly temperature average, giving a typical read on daytime heat.
Warmest monthsApril to December
This stretch sets the upper range for average daytime heat.
Rain
December80mm average rain
December sits on the drier side of Northern Mariana Islands' year, which helps with sightseeing and transfers.
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
December2.3 hours average sun
December is one of Northern Mariana Islands' cloudier months, so sunshine-led plans are less reliable.
Brightest monthsFebruary to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December is close to Northern Mariana Islands' 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
December66 weather score
December sits close to Northern Mariana Islands' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to June
These months have the strongest weather score in the monthly averages.