United States · 30-year monthly climate averages
Based on 30 years of climate data, the most comfortable months to visit Honolulu are January, February and April, when daytime temperatures are agreeable and rainfall is relatively low.
Honolulu sees its warmest weather in August, when daytime highs average around 32°C, and its coolest in January (around 27°C).
Annual precipitation totals roughly 416mm — March is typically the wettest month (~60mm) and June the driest (~13mm).
Rainfall is spread fairly evenly through the year, so no single season is dramatically wetter than the rest.
🟧 avg daytime high · 🟦 dashed: avg nighttime low · bars: monthly rainfall
Daily forecast highs vs the 30-year normal — last 60 days
Each bar is one day: orange above normal, blue below.
| Month | High / Low | Rainfall | Travel rating |
|---|---|---|---|
| January | 27° / 19°C | 47mm | 🌟 Great |
| February | 27° / 20°C | 49mm | 🌟 Great |
| March | 27° / 20°C | 60mm | 🌟 Great |
| April | 28° / 21°C | 20mm | 🌟 Great |
| May | 29° / 22°C | 21mm | 🌟 Great |
| June | 31° / 23°C | 13mm | 👍 Good |
| July | 31° / 24°C | 13mm | 👍 Good |
| August | 32° / 24°C | 21mm | 👍 Good |
| September | 31° / 24°C | 22mm | 👍 Good |
| October | 31° / 23°C | 38mm | 👍 Good |
| November | 29° / 22°C | 57mm | 👍 Good |
| December | 28° / 21°C | 55mm | 🌟 Great |
January in Honolulu is warm, with average daytime highs around 27°C (80°F) and nighttime lows near 19°C (67°F). Expect roughly 47mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
February in Honolulu is warm, with average daytime highs around 27°C (81°F) and nighttime lows near 20°C (67°F). Expect roughly 49mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
March in Honolulu is warm, with average daytime highs around 27°C (81°F) and nighttime lows near 20°C (68°F). Expect roughly 60mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
April in Honolulu is warm, with average daytime highs around 28°C (83°F) and nighttime lows near 21°C (70°F). Expect roughly 20mm of precipitation spread over about 4 rainy days, and rain is rare.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
May in Honolulu is warm, with average daytime highs around 29°C (85°F) and nighttime lows near 22°C (72°F). Expect roughly 21mm of precipitation spread over about 3 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
June in Honolulu is hot, with average daytime highs around 31°C (87°F) and nighttime lows near 23°C (74°F). Expect roughly 13mm of precipitation spread over about 2 rainy days, and rain is rare.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
July in Honolulu is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 24°C (75°F). Expect roughly 13mm of precipitation spread over about 3 rainy days, and rain is rare.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
August in Honolulu is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 24°C (76°F). Expect roughly 21mm of precipitation spread over about 2 rainy days, with little rainfall.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
September in Honolulu is hot, with average daytime highs around 31°C (88°F) and nighttime lows near 24°C (75°F). Expect roughly 22mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
October in Honolulu is hot, with average daytime highs around 31°C (87°F) and nighttime lows near 23°C (74°F). Expect roughly 38mm of precipitation spread over about 4 rainy days, with little rainfall.
🎒 What to pack — breathable summer clothing · sunscreen, hat and sunglasses · refillable water bottle
November in Honolulu is warm, with average daytime highs around 29°C (84°F) and nighttime lows near 22°C (72°F). Expect roughly 57mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses
December in Honolulu is warm, with average daytime highs around 28°C (82°F) and nighttime lows near 21°C (69°F). Expect roughly 55mm of precipitation spread over about 5 rainy days, with little rainfall.
🎒 What to pack — light summer clothing · sunscreen and sunglasses