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August is a good time to visit Poipu. The weather is usually very warm and slightly windy, with temperatures ranging from 78—81°F (26—27°C). There are plenty of events to check out and activities to try in Poipu during this time. Some of our top recommendations: go whale watching off the coast of Poipu, take a surfing lesson at Poipu Beach, take a helicopter tour of Kauai's waterfalls, and more!
Poipu has plenty to offer for visitors of all ages and interests. In this article, we tell you the top things to see and do for your August trip to Poipu. Get inspired by the events, activities, attractions, and experiences unique to August. We’ll let you know where to explore events based on your interests, whether that’s food, culture, art, music, sport or others.
We’ll let you know everything you need to prepare for the weather in Poipu in August. Learn about what to wear and pack for your trip, the average temperatures throughout August, temperature changes from morning to evening and much more.
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The average temperature in Poipu in August for a typical day ranges from a high of 81°F (27°C) to a low of 78°F (26°C). Some would describe the temperature to be very warm. The general area may also feel slightly windy.
For comparison, the hottest month in Poipu, September, has days with highs of 81°F (27°C) and lows of 78°F (26°C). The coldest month, March has days with highs of 75°F (24°C) and lows of 72°F (22°C). This graph shows how an average day looks like in Poipu in August based on historical data.
Visiting Poipu? See our Poipu Trip Planner.
Plan your itinerary, find lodging, and import reservations — all in one app.

It depends on when you visit! We've compiled data from NASA on what the weather is like in Poipu for each month of the year: see the links below for more information.
Get inspired for your trip to Poipu with our curated itineraries that are jam-packed with popular attractions everyday! Check them out here:
