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. For more details, please visit our Papaikou Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
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
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Papaikou by Month
The relative humidity is high throughout the year in Papaikou.
The city experiences its highest humidity in April, reaching 80%. In January, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Papaikou
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, May, June, July, August, September and October
- Warmest weather: June, July, August, September, October and November
- Most sunshine: June, July and August
- Seasonal pattern: A distinct rainy season from February to May
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 on the map
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