Climate averages 1991–2020

Saipan weather
in July.

A warm, very wet month: the 3rd warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.4°C Daytime mean, July

Average low 24.9°C Night-time mean, July

Rainfall 223 mm 27 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

July is a warm month in Saipan: daytime highs average 27.4°C and nights cool to about 24.9°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 223 mm of rain on roughly 27 days, which makes July a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 56 min on an average July day.

The nearest other city in this atlas is Hagåtña (221 km away). In July its highs average 28.4°C, 1.0°C warmer than Saipan, with 272 mm of rain.

From July to August, average highs fall by 0.2°C to 27.2°C, and monthly rainfall rises from 223 mm to 340 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Saipan climate table

1991–2020

Monthly climate averages for Saipan, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	26.2°C24.1°C	24.1°C	61	13.6	11.311 h
February	26.0°C23.8°C	23.8°C	40	11.4	11.612 h
March	26.5°C24.0°C	24.0°C	37	9.8	12.012 h
April	27.1°C24.6°C	24.6°C	50	10.4	12.512 h
May	27.7°C25.0°C	25.0°C	64	13.2	12.813 h
June	27.9°C25.3°C	25.3°C	100	17.9	13.013 h
July, selected	27.4°C24.9°C	24.9°C	223	27.0	12.913 h
August	27.2°C24.8°C	24.8°C	340	28.2	12.613 h
September	27.1°C24.8°C	24.8°C	298	26.6	12.212 h
October	27.1°C24.8°C	24.8°C	304	25.6	11.812 h
November	27.2°C25.0°C	25.0°C	133	19.0	11.411 h
December	26.9°C24.8°C	24.8°C	67	14.8	11.211 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Saipan

Hagåtña in JulyGuam · 221 kmHigh 28.4°C · Low 26.2°C · 272 mm rain

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Saipan) is explained once on the Saipan year overview and on the Sources, method and limits page.