Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
January verdict
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 2.8h per day, so this is not one of the brighter months. Rainfall averages 74mm, which is relatively low for holiday planning.
Monthly averages
Temp
29°C
Rain
74mm
Sun
2.8h
Sea
28°C
Weather score
70
Good
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 74mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 2.8h 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
Compare Northern Mariana Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
January29°C average high
January is on the cooler side of Northern Mariana Islands' year, useful if you prefer less intense daytime heat.
Warmest monthsApril to December
This stretch sets the upper range for average daytime heat.
January74mm average rain
January 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.
January2.8 hours average sun
January sits close to Northern Mariana Islands' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsFebruary to July
This stretch has the strongest sunshine in the monthly averages.
January28°C average sea
January is below Northern Mariana Islands' yearly sea-temperature average, so swimming can feel fresher.
Warmest seaMay to November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
January70 weather score
January scores above Northern Mariana Islands' 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.