Saipan in Spring
In spring (March, April and May), Saipan sees average daytime highs around 27°C and overnight lows near 26°C, with 152 mm of rain over about 33 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Across spring, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 55% of the time across spring, and the air most often feels oppressive.
Spring is Saipan's best season of the year to visit on our travel score. Saipan has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Saipan's year-round climate.
- Avg daytime high
- 27°C
- 3rd-warmest season
- Avg overnight low
- 26°C
- Rainfall
- 152 mm
- 33 wet days
- Avg wind
- 25 km/h
- Travel score
- 6.5
- best season of the year
- Months
- Mar · Apr · May
Temperature in Saipan in Spring
Across spring, daytime highs hold fairly steady around 27°C.
A typical spring day in Saipan reaches about 27°C and drops to 26°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Saipan
Once humidity and wind are folded in, spring brings about 18 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Saipan weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 26° | 61 | 13.3 | 11.2 | 6.2 |
| Feb | 27° / 26° | 39 | 11.3 | 11.5 | 6.5 |
| Mar | 27° / 26° | 38 | 9.8 | 11.9 | 6.9 |
| Apr | 27° / 26° | 50 | 10.4 | 12.3 | 6.7 |
| May | 28° / 27° | 64 | 13.2 | 12.7 | 6.0 |
| Jun | 28° / 27° | 100 | 17.9 | 12.9 | 4.7 |
| Jul | 28° / 27° | 223 | 27 | 12.8 | 3.5 |
| Aug | 28° / 26° | 340 | 28.2 | 12.5 | 3.3 |
| Sep | 28° / 26° | 298 | 26.6 | 12.1 | 3.4 |
| Oct | 28° / 27° | 304 | 25.6 | 11.7 | 3.8 |
| Nov | 28° / 27° | 133 | 19 | 11.3 | 4.9 |
| Dec | 28° / 26° | 67 | 14.8 | 11.1 | 6.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 55% of the time across spring.
Chance of precipitation in Spring
Saipan gets around 152 mm of rain over 33 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 25 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 42 min in early March to 12 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.6 kWh/m².
Hazard calendar for Saipan
In spring, Saipan overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Saipan sits in the Pacific typhoon belt; the season peaks July–October.
Saipan's monsoon runs July–October, when most of the year's rain falls.
Is spring a good time to visit Saipan?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Saipan for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Saipan in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Saipan sees daytime highs around 27°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear and a windbreaker. About 33 days see rain.
Sea temperature near Saipan in Spring
The nearest coast averages about 28°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in September at about 30°C and coldest in February near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 27 | 27 | 28 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Warm |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Saipan in Spring
Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Saipan peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 11 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 12 | 10 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 8 | Very high |
Where is Saipan?
Saipan sits at 15.2°N, 145.8°E, 5 m above sea level, in Northern Mariana Islands. The nearest listed city is Yigo Village, 208 km away.
Topography around Saipan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saipan.
Within 3 km, the terrain around Saipan has significant variations in elevation — a maximum elevation change of 454 m around an average of 123 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 454 m; within 80 km, significant variations in elevation — a maximum elevation change of 446 m.
The land around Saipan is covered by trees (74%) within 3 km, water (86%) within 16 km, and water (97%) within 80 km.
Northern Mariana Islands travel facts
- GDP per capita
- $23,786
- 2022
- Safe drinking water
- 81%
- of population, 2024
- Income group
- High
- World Bank
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saipan (15.2123°, 145.7545°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.