AI-generatedSaipan at a glance
- Best time
- Dec – May
- Warmest month
- Jun · 29°
- Warmest sea
- Sep · 29.6°
- Sunshine a year
- 2,700 h
- Rain a year
- 1,790 mm
- Climate
- Tropical
- Time zone
- UTC+10
- Elevation
- 5 m
Climate in Saipan
Saipan has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. June is the warmest month with average highs of 29 °C, while February is the coolest at 28 °C. With around 2,700 hours of sunshine a year, Saipan is sunny; May is the sunniest month with 9.0 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: December – May
October is the peak of the typhoon season
Keep in mindFrequent rainStorm season
A typical day in October
- Morning, 08:00: about 27°
- Midday, 13:00: about 28°
- Afternoon, 16:00: about 28°
- Evening, 20:00: about 27°
- Night, 23:00: about 27°
06:0817:57
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:55–06:37 · evening 17:28–18:10
- Blue hour
- Morning 05:46–05:55 · evening 18:10–18:19
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Saipan in October?
In October, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.4 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 317 mm. The air is often humid and muggy. It is often windy, with gusts of around 29 km/h. All in all, October is a so-so month for a holiday in Saipan.
More details for October
- Daylight
- 11 h 49 min06:08 – 17:57
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 29 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+10Pacific/Saipan
How the score comes together
- Temperatureweight 50 %81 %
- Sunshineweight 20 %52 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Sea temperature in Saipan
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 29.0 – 29.8 °C
Swimming season: All year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Saipan ranges from 27.5 °C in February to 29.6 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in September, while the air already peaks in June. From June to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in September, eight out of ten years were between 29.1 and 30.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 28.0° | 27.5° | 28.5° | warm |
| FebruaryFeb | 27.5° | 27.1° | 28.2° | warm |
| MarchMar | 27.6° | 27.1° | 28.1° | warm |
| AprilApr | 28.1° | 27.5° | 28.6° | warm |
| MayMay | 28.8° | 28.3° | 29.3° | warm |
| JuneJun | 29.4° | 29.0° | 29.9° | very warm |
| JulyJul | 29.5° | 28.9° | 30.0° | very warm |
| AugustAug | 29.5° | 29.0° | 30.1° | very warm |
| SeptemberSep | 29.6° | 29.1° | 30.1° | very warm |
| OctoberOct | 29.4° | 29.0° | 29.8° | very warm |
| NovemberNov | 29.1° | 28.7° | 29.6° | very warm |
| DecemberDec | 28.5° | 28.0° | 29.0° | warm |
Sunshine hours in Saipan
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.1 of 11.8 hours of daylight in Saipan, 52 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Saipan
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 10 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in August (UV 13).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 30 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Saipan: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Saipan has about 26 rainy days with 317 mm of rain in total.
Wind and clouds in Saipan
How breezy and how cloudy Saipan is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Saipan typically peaks at 29 km/h during the day: Beaufort 5, fresh breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it gets there all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over Saipan: mostly cloudy, with about 6.1 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Saipan
How often the day gets hot in Saipan (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Saipan has about 0 hot days, with an average daytime high of 29 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Saipan
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Hot 24° and more
- muggy month (10+ muggy days)
HotOctober: nights around 26°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in February (25°), the warmest in June (27°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) on about 362 days a year, mostly all year round.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 69 | 28° | 26° | 28.0° | 7.3 h | 14 | 69 |
| FebruaryFeb | 73 | 28° | 25° | 27.5° | 7.4 h | 13 | 43 |
| MarchMar | 76 | 28° | 26° | 27.6° | 8.3 h | 11 | 42 |
| AprilApr | 74 | 29° | 26° | 28.1° | 8.9 h | 12 | 54 |
| MayMay | 65 | 29° | 27° | 28.8° | 9.0 h | 14 | 67 |
| JuneJun | 54 | 29° | 27° | 29.4° | 8.5 h | 19 | 110 |
| JulyJul | 52 | 29° | 26° | 29.5° | 6.9 h | 27 | 241 |
| AugustAug | 49 | 29° | 26° | 29.5° | 5.7 h | 29 | 348 |
| SeptemberSep | 48 | 29° | 26° | 29.6° | 5.5 h | 27 | 301 |
| OctoberOct | 51 | 29° | 26° | 29.4° | 6.1 h | 26 | 317 |
| NovemberNov | 54 | 29° | 27° | 29.1° | 7.4 h | 20 | 128 |
| DecemberDec | 61 | 28° | 26° | 28.5° | 7.6 h | 16 | 71 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
15.21° N, 145.75° E · 5 m · Pacific/Saipan
Best time to visit Saipan
The best time to visit Saipan is from December to May. For a beach holiday with the sea above 21 °C, go from March to April. For sightseeing, day trips and hiking, conditions are most comfortable in March. Rain is most frequent from May to February; the wettest month is August with 348 mm.
Saipan through the seasons
How the weather changes over the seasons, with averages for each.
Saipan in the dry season
Mar – Apr
Good
- 28–29 °C by day
- Sea 28 °C
- 9 h of sun a day
- 23 rainy days in all
Saipan in the rainy season
May – Feb
Fair
- 28–29 °C by day
- Sea 29 °C
- 7 h of sun a day
- 204 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Saipan for you.
Your best months: February – April
Based on the climate averages; tap a month to see its details.
Compare two months in Saipan
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
March has the better holiday weather in Saipan: score 76 against 51. In March, days are 1 °C cooler than in October. The sea is 2 °C cooler in March. March has 15 fewer rainy days. The sun shines 2 hours longer a day in March.
| Month | October | March |
|---|---|---|
| Weather score | 51 | 76better |
| Day high | 29° | 28° |
| Night low | 26° | 26° |
| Sea | 29.4° | 27.6° |
| Sunshine | 6.1 h | 8.3 hbetter |
| Rainy days | 26 | 11better |
| Rainfall | 317 mm | 42 mmbetter |
| Muggy days | 31 | 31 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Mar – Apr
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Mar
15–28 °C and not too much rain
Rainy months
May – Feb
12 or more rainy days
Saipan month by month
The typical weather for every month at a glance.
69January28° · Sea 28° · 7 h
In January, Saipan is hot: daytime highs average 28 °C, and even at night it stays warm at around 26 °C. The sea averages 28.0 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 14 days, totalling 69 mm. The air is often humid and muggy. It is often windy, with gusts of around 34 km/h. All in all, January is a good month for a holiday in Saipan.
Saipan in January73February28° · Sea 28° · 7 h
In February, Saipan is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 27.5 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 43 mm in total. The air is often humid and muggy. It is often windy, with gusts of around 34 km/h. All in all, February is a good month for a holiday in Saipan.
Saipan in February76March28° · Sea 28° · 8 h
In March, Saipan is hot: daytime highs average 28 °C, and even at night it stays warm at around 26 °C. The sea averages 27.6 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 42 mm in total. The air is often humid and muggy. It is often windy, with gusts of around 32 km/h. All in all, March is a good month for a holiday in Saipan.
Saipan in March74April29° · Sea 28° · 9 h
In April, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 28.1 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 12 rainy days and 54 mm in total. The air is often humid and muggy. It is often windy, with gusts of around 29 km/h. All in all, April is a good month for a holiday in Saipan.
Saipan in April65May29° · Sea 29° · 9 h
In May, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 27 °C. The sea averages 28.8 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. It is the rainy season: rain falls on about 14 days, totalling 67 mm. The air is often humid and muggy. All in all, May is a good month for a holiday in Saipan.
Saipan in May54June29° · Sea 29° · 9 h
In June, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 27 °C. The sea averages 29.4 °C – almost as warm as a bath. The sun shines for around 9 hours a day. It is the rainy season: rain falls on about 19 days, totalling 110 mm. On about 6 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Saipan.
Saipan in June52July29° · Sea 30° · 7 h
In July, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.5 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 27 days, totalling 241 mm. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Saipan.
Saipan in July49August29° · Sea 30° · 6 h
In August, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.5 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 29 days, totalling 348 mm. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Saipan.
Saipan in August48September29° · Sea 30° · 6 h
In September, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.6 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 27 days, totalling 301 mm. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Saipan.
Saipan in September51October29° · Sea 29° · 6 h
In October, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.4 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 317 mm. The air is often humid and muggy. It is often windy, with gusts of around 29 km/h. All in all, October is a so-so month for a holiday in Saipan.
Saipan in October54November29° · Sea 29° · 7 h
In November, Saipan is hot: daytime highs average 29 °C, and even at night it stays warm at around 27 °C. The sea averages 29.1 °C – almost as warm as a bath. The sun shines for around 7 hours a day. It is the rainy season: rain falls on about 20 days, totalling 128 mm. The air is often humid and muggy. It is often windy, with gusts of around 32 km/h. All in all, November is a so-so month for a holiday in Saipan.
Saipan in November61December28° · Sea 29° · 8 h
In December, Saipan is hot: daytime highs average 28 °C, and even at night it stays warm at around 26 °C. The sea averages 28.5 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 16 days, totalling 71 mm. The air is often humid and muggy. It is often windy, with gusts of around 34 km/h. All in all, December is a good month for a holiday in Saipan.
Saipan in DecemberSaipan compared
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Saipan vs. Ngerulmud
In October the holiday weather in Saipan and Ngerulmud is about equally good (score 51 vs. 52). During the day Ngerulmud is 1 °C cooler than Saipan. The sea in Ngerulmud is 1 °C warmer.
| in October | Saipan | Ngerulmud |
|---|---|---|
| Holiday score | 51 | 52 |
| Daytime high | 29° | 28° |
| Sea | 29° | 30° |
| Sunshine | 6 h | 6 h |
| Rainy days | 26 | 26 |
| Best time | Dec – May | Aug – Sep, Nov – Apr |
Through the year
Planning a trip to Saipan
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Saipan in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Saipan has its best school-holiday weather during the Easter holidays (score 75) and its weakest during the summer holidays (score 50).
- 75
Easter holidays
Mar – Apr
GoodBest holidays
- 28 °C by day
- Sea 28 °C
- 8.7 h of sun a day
- 11 rainy days a month
Good for: Beach & swimming
- 63
May half-term
May – Jun
Good
- 29 °C by day
- Sea 29 °C
- 8.9 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 50
Summer holidays
Jul – Aug
Fair
- 29 °C by day
- Sea 30 °C
- 6.1 h of sun a day
- 28 rainy days a month
Keep in mind: Frequent rain, Storm season
- 51
October half-term
Oct
Fair
- 29 °C by day
- Sea 29 °C
- 6.1 h of sun a day
- 26 rainy days a month
Keep in mind: Frequent rain, Storm season
- 65
Christmas holidays
Dec – Jan
Good
- 28 °C by day
- Sea 28 °C
- 7.5 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 14 h 50 min
- Distance
- 11,910 km
- Time zone
- UTC+10
- Jet lag
- About 9 days (9 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Saipan lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Saipan
When is the best time to visit Saipan?
The best time to visit Saipan is from December to May. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Saipan?
The sea temperature in Saipan ranges from 27.5 °C in February to 29.6 °C in September. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Saipan in October?
Yes. In October the sea averages 29.4 °C – almost as warm as a bath.
What is the warmest month in Saipan?
June is the warmest month, with average highs of 29 °C and nights around 27 °C. February is the coolest month at 28 °C.
When does it rain most in Saipan?
Rain is most frequent from May to February; the wettest month is August with 348 mm. The driest month is March with 42 mm.
How many hours of sunshine does Saipan get?
Saipan gets around 2,700 hours of sunshine a year. The sunniest month is May with 9.0 hours a day; in September there are 5.5 hours a day.
What time zone is Saipan in?
Saipan uses the time zone Pacific/Saipan, at UTC+10 all year.
How long is the flight from London to Saipan?
A nonstop flight from London to Saipan takes about 14 h 50 min, for a straight-line distance of about 11,910 km. Most routes need a change of planes, which adds time.
When is typhoon season in Saipan?
Saipan lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Saipan?
Saipan has its best school-holiday weather during the Easter holidays (score 75) and its weakest during the summer holidays (score 50). Holiday ratings (0–100): Easter holidays 75, May half-term 63, Summer holidays 50, October half-term 51, Christmas holidays 65.
Near Saipan
Other destinations close by.
Places with a climate like Saipan
Destinations whose weather through the year is closest to Saipan's – good alternatives.