Honolulu vs Kailua-Kona: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 263 km apart · long-term climate normals (NASA POWER, 2001–2020)
Kailua-Kona is the sunnier overall: about 3,315 hours of sunshine a year to Honolulu's 3,113. Honolulu has the higher Sunshine Score in 3 of 12 months, Kailua-Kona in 1 (8 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Honolulu | Kailua-Kona | |
|---|---|---|
| Sunshine hours / year | 3,113 | 3,315 |
| Sunniest month | June (91/100) | June (90/100) |
| Nov–Feb average score | 82/100 | 83/100 |
| Jun–Aug average score | 90/100 | 88/100 |
| Rain / year | 771 mm | 938 mm |
| Warmest sea | 27°C / 81°F | 28°C / 82°F |
| Peak midday UV | 12 (extreme) | 12 (extreme) |
Honolulu vs Kailua-Kona month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Honolulu | Kailua-Kona | Honolulu | Kailua-Kona | Honolulu | Kailua-Kona | Honolulu | Kailua-Kona | |
| January | 84 | 84 | 25° | 25° | 71 | 81 | 25° | 26° |
| February | 82 | 83 | 25° | 25° | 82 | 88 | 25° | 26° |
| March | 80 | 74 | 25° | 25° | 94 | 134 | 24° | 26° |
| April | 88 | 83 | 26° | 25° | 54 | 85 | 25° | 25° |
| May | 89 | 87 | 27° | 26° | 47 | 66 | 26° | 26° |
| June | 91 | 90 | 27° | 26° | 37 | 50 | 26° | 27° |
| July | 90 | 89 | 28° | 27° | 40 | 53 | 26° | 27° |
| August | 89 | 85 | 28° | 27° | 44 | 74 | 27° | 28° |
| September | 88 | 90 | 28° | 27° | 50 | 49 | 27° | 28° |
| October | 84 | 87 | 28° | 27° | 73 | 67 | 27° | 28° |
| November | 82 | 82 | 27° | 27° | 86 | 93 | 26° | 27° |
| December | 80 | 81 | 25° | 26° | 93 | 98 | 26° | 26° |
The sunnier month by month: Jan even · Feb even · Mar Honolulu · Apr Honolulu · May even · Jun even · Jul even · Aug Honolulu · Sep even · Oct Kailua-Kona · Nov even · Dec even.
When to pick which
- November–February: too close to call — Honolulu averages 82/100, Kailua-Kona 83/100. Daytime highs are similar (26°C vs 26°C). See the winter sun ranking.
- March–May: Honolulu (average score 86/100 vs 81). Daytime highs are similar (26°C vs 25°C).
- June–August: too close to call — Honolulu averages 90/100, Kailua-Kona 88/100. Daytime highs are similar (28°C vs 27°C).
- September–October: Kailua-Kona (average score 89/100 vs 86). Daytime highs are similar (28°C vs 27°C).
Sea temperature
Kailua-Kona's sea gets warmer: 28°C / 82°F at its peak vs 27°C. Swimmable water (21°C+): Honolulu all year, Kailua-Kona all year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Honolulu weather by month · Kailua-Kona weather by month · Best time to visit United States.
More comparisons: Honolulu vs Kahului · Honolulu vs Lihue, Kauai · Honolulu vs Hilo · Kailua-Kona vs Kahului · Kailua-Kona vs Lihue, Kauai · Kailua-Kona vs Hilo · all head-to-heads