Weather in Saipan in August 2025
Average weather
Average temperature in Saipan in August
The temperature in August is +81°F on average, with a range between a maximum of +82°F during the day and a minimum of +77°F at night.
The average maximum temperature goes down 33% by the end of the month, compared with the beginning of the month, from +82°F to +81°F.
Is Saipan warm or cold in August?
Saipan is typically warm in August.
Maximum temperatures go up compared to the previous month from +82°F to +82°F. The minimum temperature also goes up from +77°F to +77°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Saipan, here is the comparison with other months:
Climate in Saipan in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +82°F | +82°F | +82°F | ||||
| Min. temperature | ||||||
| +72°F | +72°F | +66°F | ||||
| Max. temperature | ||||||
| +91°F | +91°F | +91°F | ||||
| Rainfall | ||||||
| 261 mm | 374 mm | 338 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 83% | 84% | 84% | ||||
| Air pressure | ||||||
| 1009 HPa | 1008 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 1 | 0 | 1 | ||||
| Rainy days | ||||||
| 30 | 30 | 29 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +82°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 261 mm to 374 mm. Humidity rises from 83% to 84%. Winds are calmer in comparison to July, going down from 4 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Saipan is gradually increasing during August, going from 1 m/s to 5 m/s over the course of the month.
Rain
How was the weather last August in Saipan?
Climate Change Over the Years
The climate in Saipan in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1992 (+78°F) and the highest in 2020 (+86°F). The driest year was 1998 with only 954 mm of rainfall, and the wettest year was 2011 with 3183 mm.
FAQ
Is August a good time to visit Saipan?
Can you sunbathe in Saipan in August?
Is Saipan rainy in August?
Is it sunny in Saipan in August?
Monthly weather in Saipan
Source of the data
For this page, we’ve looked at the typical weather in Saipan, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
