Hawaii offers beautiful weather throughout the entire year, but each month brings slightly different temperatures, rainfall patterns, ocean conditions and travel experiences. This complete Hawaii weather by month guide will help you choose the best time for your vacation.
Hawaii Weather by Month
The Hawaiian Islands have a tropical climate with warm temperatures all year. Instead of traditional four seasons, Hawaii mainly experiences a warmer dry season and a slightly cooler rainy season.
Average daytime temperatures usually range from 78°F to 88°F (26°C to 31°C), while ocean temperatures remain comfortable for swimming throughout the year.
Hawaii Monthly Weather Overview
| Month | Weather | Best For |
|---|---|---|
| January | Warm, wetter season, bigger waves | Whale watching, surfing |
| February | Mild temperatures, occasional rain | Whales, hiking |
| March | Spring transition, improving weather | Nature, sightseeing |
| April | Warmer and drier | Great overall month |
| May | Sunny and comfortable | Beaches, snorkeling |
| June | Start of summer weather | Swimming, family trips |
| July | Warm and mostly dry | Beach vacations |
| August | Hot, sunny, warm ocean | Ocean activities |
| September | Very warm, fewer crowds | Best value trips |
| October | Warm fall weather | Beaches, relaxing |
| November | Rain increases | Lower crowds |
| December | Winter season begins | Holidays, whales |
January Weather in Hawaii
January is part of Hawaii's wetter winter season. Temperatures remain warm, but northern shores experience larger waves. It is one of the best months for whale watching.
Read more: Hawaii Weather in January
February Weather in Hawaii
February continues the winter pattern with comfortable temperatures, occasional showers and excellent whale watching opportunities.
Read more: Hawaii Weather in February
March Weather in Hawaii
March is a transition month when rainfall slowly decreases and spring conditions begin across the islands.
Read more: Hawaii Weather in March
April Weather in Hawaii
April is one of the best months to visit Hawaii thanks to warmer weather, fewer crowds and improving ocean conditions.
Read more: Hawaii Weather in April
May Weather in Hawaii
May brings sunny skies, comfortable temperatures and excellent conditions for beaches, hiking and snorkeling.
Read more: Hawaii Weather in May
June Weather in Hawaii
June begins the warmer summer period with long sunny days, calm seas and great beach weather.
Read more: Hawaii Weather in June
July Weather in Hawaii
July is warm and mostly dry across Hawaii, making it a popular month for beach vacations and family travel.
Read more: Hawaii Weather in July
August Weather in Hawaii
August is one of Hawaii's warmest months with high ocean temperatures and excellent swimming conditions.
Read more: Hawaii Weather in August
September Weather in Hawaii
September offers some of the warmest weather of the year with fewer visitors after the summer season.
Read more: Hawaii Weather in September
October Weather in Hawaii
October remains warm with excellent beach conditions before the wetter winter months arrive.
Read more: Hawaii Weather in October
November Weather in Hawaii
November marks the transition toward Hawaii's rainy season, although many resort areas remain sunny.
Read more: Hawaii Weather in November
December Weather in Hawaii
December brings warm tropical winter weather, holiday visitors, whale watching season and famous North Shore waves.
Read more: Hawaii Weather in December
Best Months to Visit Hawaii
For many travelers, April, May, September and October offer the best combination of pleasant weather, fewer crowds and good travel conditions.
Frequently Asked Questions
What is the best weather month in Hawaii?
April, May, September and October are often considered the best months because of warm temperatures and comfortable travel conditions.
What is the hottest month in Hawaii?
August and September are usually the warmest months in Hawaii.
What is the coldest month in Hawaii?
January and February are usually the coolest months, but temperatures remain warm compared with most destinations.
Can you visit Hawaii any month?
Yes. Hawaii is a year-round destination with warm weather and ocean temperatures during every month.