Northern Mariana Islands Saipan Weather in March — Climate Guide
March in Saipan is high
Saipan Weather in March — Quick Answer
As of 2026- Avg temp
- 30° / 24°
- Rainfall
- 70mm · 8 days
- Crowds
- Busy
As of 2026, Saipan in March averages a high of 30°C and low of 24°C with 70mm of rain over about 8 days. Warm, dry, sunny. Light clothing, swimwear, reef-safe SPF 50, hat, sunglasses. Modest cover-up for memorials.
March is high for Saipan.
March is arguably the best month for weather: warm 24-30°C days, the least rain of the year, abundant sun, and calm seas. Ideal for every water activity.
Dive conditions are at their best, with strong visibility at the Grotto and outer reefs and calm crossings to Managaha.
Travel score
Saipan March Weather Stats
Avg High
30°C
Avg Low
24°C
Rainy Days
8
70mm total
Sunshine
8h
Daily avg
Humidity
77%
comfortable
UV Index
11
Extreme
Wind
17 km/h
Gusts 28
Sea Temp
28°C
warm — ideal
Crowds
Busy
At attractions
March Sunrise & Sunset
Air Quality
PM2.5
8 μg/m³
PM10
16 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
34°C
Nighttime
25°C
Humidity and wind affect how the actual temperature feels.
Wind
17 km/h
Max gust 28 km/h
Activities Recommended for March
March Travel Pros & Cons
Pros
- Least rain of the year
- Best dive conditions
- Calm seas and crossings
- Reliable sunshine
Cons
- Firm peak-season pricing
- Very high UV
- Building pre-summer heat
March Events & Festivals
- Driest part of the dry season
- Excellent diving conditions
- Calm seas
Saipan in March — Full Picture
March is arguably the best month for weather: warm 24-30°C days, the least rain of the year, abundant sun, and calm seas. Ideal for every water activity.
Dive conditions are at their best, with strong visibility at the Grotto and outer reefs and calm crossings to Managaha.
It's a popular window, so prices stay firm; the island is at its most reliable for sunshine.
With UV at 11, sun protection is non-negotiable — reef-safe sunscreen, hat, and shade between swims.
What to Wear & What to Pack
Warm, dry, sunny. Light clothing, swimwear, reef-safe SPF 50, hat, sunglasses. Modest cover-up for memorials.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current30.3°C
24.7°C
9/mo
Summer (Jun·Jul·Aug)
31°C
25°C
15.7/mo
Autumn (Sep·Oct·Nov)
30.7°C
25°C
16.3/mo
Winter (Dec·Jan·Feb)
29°C
24°C
10.7/mo
Saipan Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 29° | 24° | 11d·110mm | 7h | 78% | 10 | Busy | Peak |
| February (Best) | 29° | 24° | 9d·80mm | 8h | 77% | 10 | Busy | Peak |
| March (Best) | 30° | 24° | 8d·70mm | 8h | 77% | 11 | Busy | Peak |
| 30° | 25° | 8d·80mm | 8h | 77% | 11 | Moderate | Shoulder | |
| 31° | 25° | 11d·120mm | 7h | 78% | 11 | Moderate | Shoulder | |
| 31° | 25° | 13d·130mm | 7h | 79% | 11 | Quiet | Shoulder | |
| 31° | 25° | 16d·180mm | 6h | 80% | 11 | Moderate | Shoulder | |
| 31° | 25° | 18d·230mm | 6h | 81% | 11 | Moderate | Shoulder | |
| 31° | 25° | 18d·220mm | 6h | 81% | 11 | Quiet | Low season | |
| 31° | 25° | 17d·200mm | 6h | 80% | 11 | Quiet | Low season | |
| 30° | 25° | 14d·150mm | 7h | 79% | 10 | Moderate | Shoulder | |
| 29° | 24° | 12d·120mm | 7h | 78% | 10 | Busy | Peak |
View Other Months
Saipan March Hotel Picks
Frequently Asked Questions
Is March a good time to visit Saipan?
Saipan in March is high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Saipan in March?
Saipan March averages a high of 30°C and a low of 24°C.
Does it rain much in Saipan in March?
Saipan March averages 70mm of rainfall over about 8 rainy days.
What should I wear in Saipan in March?
Warm, dry, sunny. Light clothing, swimwear, reef-safe SPF 50, hat, sunglasses. Modest cover-up for memorials.
What time are sunrise and sunset in Saipan in March?
Saipan March sunrise is 06:25 and sunset is 18:20, with 11h 55min of daylight.
What's the air quality like in Saipan in March?
Saipan March air quality (AQI) averages 25, rated Good. PM2.5 averages 8μg/m³.
What activities are recommended in Saipan in March?
In March, Saipan is great for Managaha snorkeling, Grotto diving (certified), Lau Lau Bay diving.
Is March peak season in Saipan?
Saipan March crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Saipan
View Other Months
Planning a March trip to Saipan?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.