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Best time to visit · Hawaii, United States
Kailua & Lanikai's weather is fairly even year-round: our comfort score only moves between 80 and 89 out of 100, with June scoring highest. February, April, October and December are good shoulder-season months.
Highs run from 75°F to 81°F across the year, and the yearly total is about 23.7 in (601 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 76°F24°C | 75°F24°C | 75°F24°C | 76°F25°C | 78°F26°C | 79°F26°C | 80°F27°C | 81°F27°C | 81°F27°C | 80°F27°C | 79°F26°C | 77°F25°C |
| Avg low | 73°F23°C | 72°F22°C | 73°F23°C | 73°F23°C | 75°F24°C | 76°F25°C | 77°F25°C | 78°F26°C | 78°F26°C | 78°F25°C | 76°F25°C | 74°F24°C |
| Rain | 2.2 in56 mm | 2.8 in70 mm | 3.0 in77 mm | 1.7 in42 mm | 1.3 in33 mm | 1.0 in26 mm | 1.1 in29 mm | 1.3 in34 mm | 1.4 in36 mm | 2.2 in57 mm | 2.6 in67 mm | 2.9 in74 mm |
| Humidity | 76% | 76% | 77% | 77% | 77% | 77% | 78% | 77% | 76% | 77% | 77% | 77% |
| Cloud | 52% | 57% | 61% | 58% | 50% | 48% | 47% | 47% | 47% | 56% | 58% | 54% |
| Comfort | 86 | 83 | 80 | 85 | 88 | 89 | 88 | 89 | 89 | 84 | 82 | 83 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 29 m (95 ft), close to Kailua & Lanikai's own ~1 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
Temperatures barely move through the year in Kailua & Lanikai (highs stay between 75°F and 81°F), so rain is what really separates the seasons.
Temperatures hold fairly even, with highs of 76–81°F (25–27°C). It's the driest half, with only about 7.9 in (200 mm) of rain, 33% of the year's total. April – September feel humid, with humidity near 77%. Comfort peaks here: May – September rank with the year's best, and the season averages 88/100.
Expect steady highs of 75–80°F (24–27°C). It's the wettest half, with about 15.8 in (401 mm) of rain, 67% of the year's total. October – March feel humid, with humidity near 76%. January is among the best-scoring months (season average 83/100).
By comfort score: 12 Great. Tap a month for its own guide.
Kailua & Lanikai's weather is fairly even year-round: our comfort score only moves between 80 and 89 out of 100, with June scoring highest. February, April, October and December are good shoulder-season months.
March is the wettest month, averaging about 3.0 in (77 mm) of rain. June is the driest, with about 1.0 in (26 mm). The yearly total is around 23.7 in (601 mm).
February is the coldest, with average lows of 72°F (22°C) and highs of 75°F (24°C). The warmest is September, with average highs of 81°F (27°C).
Yes for much of the year: humidity averages 77% annually, and year-round combine warmth with 75%+ humidity, which feels sticky.
The wettest three-month stretch is January – March, with about 8.0 in (203 mm) of rain combined. The driest stretch is May – July, with about 3.5 in (88 mm).
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