Temperature
Pleasant by day, mild at night.
Warm coastal days and some sun.
Pleasant by day, mild at night.
Several rainy days. About 10 wet days, the lowest monthly average.
A mix of sunshine and cloud.
Humid air and frequent rain shape this month.
In February, afternoons feel about 75° and nights feel near 70°.
Partly cloudy skies this month.
Calm winds are typical in February.
February late afternoons are around 74°F, easing to about 71°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 76 | 68 | 2.6 | 10 | 6.1 | 80 | 76 |
| Feb | 75 | 68 | 2.3 | 10 | 5.8 | 79 | 76 |
| Mar | 76 | 68 | 3.4 | 13 | 5.7 | 79 | 76 |
| Apr | 77 | 69 | 2.1 | 15 | 6.3 | 80 | 76 |
| May | 79 | 71 | 2.4 | 15 | 7.6 | 79 | 77 |
| Jun | 80 | 73 | 2.2 | 15 | 7.9 | 79 | 79 |
| Jul | 81 | 74 | 2.2 | 16 | 8.1 | 79 | 79 |
| Aug | 82 | 74 | 2.3 | 15 | 8.0 | 79 | 80 |
| Sep | 82 | 74 | 2.2 | 16 | 7.6 | 79 | 81 |
| Oct | 81 | 74 | 2.8 | 16 | 6.0 | 80 | 80 |
| Nov | 79 | 72 | 2.8 | 14 | 5.4 | 81 | 79 |
| Dec | 77 | 70 | 3.4 | 13 | 5.8 | 81 | 77 |
Similar climates
Want a side-by-side climate view? Compare Kauai with Big Island.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 29, 2026
Data & methodology