Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Weather Guide
Saipan, Northern Mariana Islands Average Monthly Weather
Weather score58Good annual avg
Best months: February, March, April
Across the year, average daytime temperatures are around 30°C, sunshine averages 5.8h per day, and rainfall totals about 2012mm. Sea temperatures average 29°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
2012mm
Annual total
Sun
5.8h
Sea
29°C
Weather score
58
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 283mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Saipan, Northern Mariana Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August31°C average high
August is close to Saipan's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
August283mm average rain
August is wetter than Saipan's yearly average, so flexible plans matter more.
Driest monthsJanuary to June and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.2 hours average sun
August is below Saipan's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August30°C average sea
August is one of Saipan's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMay to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
August48 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to June
These months have the strongest weather score in the monthly averages.