Looking to Plan Your Oahu Trip? Here’s the Weather in Oahu by Month
Aloha, readers!
Welcome to the beautiful island of Oahu, where the sun shines brightly and the waves crash gently against the shore. If you’re planning a trip to this tropical paradise, it’s important to be aware of the weather in Oahu by month to make the most of your time here. Read on to get all the information you need to plan your perfect getaway.
Oahu’s Year-Round Warmth
Oahu boasts a warm and sunny climate year-round, with average temperatures ranging from 75°F to 85°F. The island experiences two main seasons: summer, from April to October, and winter, from November to March.
Summer in Oahu: Warm and Sunny
Summer in Oahu is a time of warm and sunny weather, with average temperatures in the low 80s. The days are long and the nights are warm, providing plenty of opportunities to enjoy the island’s many outdoor activities. June through August are the warmest months, with average temperatures in the mid-80s.
Perfect for Water Activities
Summer is the perfect time to head to the beach and enjoy the warm waters of the Pacific Ocean. The waves are gentle, making it ideal for swimming, snorkeling, and surfing. You can also take a boat trip to see the island’s stunning coastline or go for a hike in the lush rainforests.
Occasional Rain Showers
While summer is mostly sunny, it does experience occasional rain showers. These showers are usually brief and don’t last long, so they won’t interfere with your plans. In fact, they can provide a refreshing break from the heat.
Winter in Oahu: Mild and Breezy
Winter in Oahu is mild and breezy, with average temperatures in the mid-70s. The days are shorter and the nights are cooler, but the weather is still warm enough to enjoy the outdoors. December through February are the coolest months, with average temperatures in the low 70s.
Ideal for Whale Watching
Winter is the best time to go whale watching in Oahu. Humpback whales migrate to the island’s waters from November to April, and you can see them breaching, tail-slapping, and playing in the waves. You can take a whale-watching tour or simply head to the shore and watch them from the beach.
Chance of Rain
Winter is also the wettest time of year in Oahu, with more frequent rain showers. However, these showers are usually short-lived and don’t typically last long enough to spoil your plans.
Spring and Fall in Oahu: Transition Months
Spring and fall are transition months in Oahu, with average temperatures in the mid-70s. The weather is generally warm and sunny, with occasional showers. These seasons are a great time to visit Oahu if you’re looking for a quieter time of year.
Weather in Oahu by Month Table
| Month | Average Temperature (°F) | Rainfall (inches) |
|---|---|---|
| January | 74 | 4.5 |
| February | 74 | 3.5 |
| March | 75 | 3.0 |
| April | 77 | 2.5 |
| May | 78 | 2.0 |
| June | 80 | 1.5 |
| July | 82 | 1.0 |
| August | 83 | 1.0 |
| September | 82 | 1.5 |
| October | 80 | 2.0 |
| November | 78 | 2.5 |
| December | 76 | 3.0 |
Plan Your Perfect Oahu Getaway
With its warm and sunny climate year-round, Oahu is a great destination for a vacation any time of year. Whether you’re looking for warm summer days or mild winter nights, you’re sure to find the perfect weather in Oahu by month. So start planning your dream trip today and experience the beauty of this tropical paradise for yourself.
Check Out Our Other Articles
Looking for more travel inspiration? Check out our other articles on:
- The best beaches in Oahu
- Top things to do in Oahu
- Where to stay in Oahu
FAQ about Oahu Weather by Month
January
- What’s the average temperature in January? 68-78°F (20-26°C)
February
- Is February a good time to visit Oahu for sunshine? Yes, February has the most sunshine hours of any month.
March
- Is it still warm in March? Yes, with average temperatures of 69-79°F (21-26°C).
April
- Is April humid in Oahu? Yes, April is the most humid month.
May
- What’s the average rainfall in May? 2.5 inches (6.4 cm)
June
- Is it safe to swim in the ocean in June? Yes, June has the warmest ocean temperatures.
July
- Is July the hottest month in Oahu? Yes, with average temperatures of 74-86°F (23-30°C).
August
- Are there any hurricanes in August? August is the peak of hurricane season.
September
- Is it still sunny in September? Yes, September has plenty of sunshine.
October
- Is October a good time to visit for water sports? Yes, October has the best waves for surfing and other water sports.
