Saipan vs Hagåtña: which is sunnier?
🇲🇵 Northern Mariana Islands vs 🇬🇺 Guam · 208 km apart · long-term climate normals (NASA POWER, 2001–2020)
Saipan is the sunnier overall: about 2,958 hours of sunshine a year to Hagåtña's 2,847. Saipan has the higher Sunshine Score in 7 of 12 months; the other 5 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Saipan | Hagåtña | |
|---|---|---|
| Sunshine hours / year | 2,958 | 2,847 |
| Sunniest month | March (91/100) | March (88/100) |
| Nov–Feb average score | 85/100 | 80/100 |
| Jun–Aug average score | 74/100 | 71/100 |
| Rain / year | 1,407 mm | 1,607 mm |
| Warmest sea | 30°C / 86°F | 31°C / 88°F |
| Peak midday UV | 12 (extreme) | 13 (extreme) |
Saipan vs Hagåtña month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Saipan | Hagåtña | Saipan | Hagåtña | Saipan | Hagåtña | Saipan | Hagåtña | |
| January | 85 | 81 | 27° | 27° | 65 | 82 | 28° | 29° |
| February | 90 | 86 | 27° | 27° | 38 | 51 | 27° | 28° |
| March | 91 | 88 | 27° | 27° | 32 | 42 | 28° | 28° |
| April | 88 | 87 | 28° | 28° | 45 | 47 | 28° | 29° |
| May | 88 | 84 | 28° | 28° | 47 | 62 | 29° | 29° |
| June | 83 | 78 | 29° | 29° | 74 | 97 | 30° | 30° |
| July | 69 | 68 | 29° | 28° | 154 | 197 | 30° | 30° |
| August | 69 | 68 | 29° | 28° | 302 | 315 | 30° | 31° |
| September | 69 | 68 | 28° | 28° | 262 | 278 | 30° | 30° |
| October | 69 | 68 | 28° | 28° | 226 | 231 | 30° | 30° |
| November | 78 | 71 | 28° | 28° | 103 | 136 | 29° | 30° |
| December | 86 | 83 | 28° | 28° | 59 | 69 | 29° | 29° |
The sunnier month by month: Jan Saipan · Feb Saipan · Mar Saipan · Apr even · May Saipan · Jun Saipan · Jul even · Aug even · Sep even · Oct even · Nov Saipan · Dec Saipan.
When to pick which
- November–February: Saipan (average score 85/100 vs 80). Daytime highs are similar (28°C vs 28°C). See the winter sun ranking.
- March–May: Saipan (average score 89/100 vs 86). Daytime highs are similar (28°C vs 28°C).
- June–August: Saipan (average score 74/100 vs 71). Daytime highs are similar (29°C vs 28°C).
- September–October: too close to call — Saipan averages 69/100, Hagåtña 68/100. Daytime highs are similar (28°C vs 28°C).
Sea temperature
Hagåtña's sea gets warmer: 31°C / 88°F at its peak vs 30°C. Swimmable water (21°C+): Saipan all year, Hagåtña all year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Saipan weather by month · Hagåtña weather by month.
More comparisons: Saipan vs Jayapura · Saipan vs Manokwari · Hagåtña vs Jayapura · Hagåtña vs Manokwari · all head-to-heads