Papaikou (HI) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Papaikou.

Climate overview of Papaikou

Papaikou, in Hawaii, United States, maintains a steady warm climate throughout the year with its tropical oceanic conditions. The area experiences heavy rainfall spread across the seasons, with particularly intense precipitation on the windward side of the Big Island. Most tourists come to Papaikou to explore the tropical landscapes and visit the nearby Hawaii Tropical Botanical Garden with its stunning waterfalls and diverse plant collections. Let's explore the climate details to provide you with a complete overview on when to visit.

Papaikou Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Papaikou — and find the best time to visit.

Monthly Temperature in Papaikou

With minimal seasonal shifts, Papaikou experiences a constant climate year-round. Average daytime temperatures reach a comfortable 25°C (77°F) in August. In February, the coolest month of the year, temperatures drop to a comfortable 23°C (73°F).

At night, temperatures range from around 20°C (68°F) in August to 17°C (63°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Papaikou

Papaikou has a notably wet climate with abundant precipitation, recording 2103 mm (83 in) of rainfall per year. Papaikou can be quite wet during March, receiving approximately 277 mm (11 in) of precipitation over 20 rainy days.

In contrast, during the driest month (June), you will experience much drier conditions, with 110 mm (4.3 in) of precipitation spread across 18 rainy days days. For more details, please visit our Papaikou Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Papaikou

Papaikou experiences moderate variation in sunshine hours across the seasons. With 6.0 hours daily sunshine in June, it dips to 3.8 hours in November, offering a balanced mix of sunny and overcast days.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Hilo, the United States of America (9 KM, 5 Miles).

Daily hours of sunshine

Data from: Hilo, the United States of America (9 KM, 5 Miles).

Humidity in Papaikou by Month

Best Time to Visit Papaikou

Papaikou's weather is most enjoyable during June, July and September, with comfortable temperatures from 24°C (76°F) to 25°C (78°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 110 mm (4.3 in) and 134 mm (5.3 in), providing a good balance of sunny and rainy days.

The wettest months are January, February, March, April, May, November and December, when precipitation is at its highest.

Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.

Frequently asked questions about the climate in Papaikou

What is the best time to visit Papaikou?

January, May, June, July, August, September and October typically offer the most optimal weather in Papaikou. In contrast, March tends to have less optimal conditions. Papaikou has a distinct rainy season from February to May.

What temperatures can I expect in Papaikou?

Daytime highs range from 23°C (73°F) in February to 25°C (77°F) in August. Nighttime lows range from 17°C (63°F) to 20°C (68°F). Temperatures stay relatively stable year-round.

How much rain does Papaikou get?

Annual rainfall is around 2103 mm (83 in). March is the wettest month with 277 mm (11 in), while June is the driest with 110 mm (4.3 in).

How sunny is Papaikou?

Papaikou receives around 1,834 hours of sunshine per year. June is the sunniest month with 179 hours, while November is the cloudiest with just 114 hours.

Papaikou 3-Day Forecast

Papaikou (HI) 3-Day Forecast

Papaikou on the map

Papaikou is highlighted — select any city to see its climate.

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