Kaumakani, Hawaii Weather by Month

Kaumakani is a small, unincorporated community located on the island of Kauai in the state of Hawaii, United States. It is situated on the southwestern coast of the island, nestled between the towns of Hanapepe and Waimea. Kaumakani covers a relatively small area and has a population of approximately 600 residents. This quaint community is part of Kauai County, which is known for its lush landscapes, dramatic cliffs, and beautiful beaches.

Geographically, Kaumakani is characterized by its proximity to the Pacific Ocean and its location within a tropical climate zone. The area was historically known for its sugar plantation, which was a significant part of its economy for many years. Today, remnants of the plantation era can still be seen, contributing to the historical charm of the town.

While Kaumakani does not host any major universities or large corporations, it is in close proximity to notable landmarks and natural attractions. One such landmark is the nearby Waimea Canyon, often referred to as the “Grand Canyon of the Pacific,” which offers stunning views and numerous hiking opportunities. Additionally, the Pacific Missile Range Facility, a major military installation, is located not far from Kaumakani.

Climate and Weather Overview

Kaumakani experiences a tropical climate, characterized by warm temperatures throughout the year and a distinct wet and dry season. The climate is influenced by the trade winds and its coastal location, leading to relatively stable and pleasant weather patterns.

Average Monthly Climate Data

Month Average Temperature (°F) Average Precipitation (inches) Average Sunny Days
January 71 4.7 17
February 71 3.9 18
March 72 4.2 20
April 74 2.9 22
May 75 2.2 23
June 77 1.7 25
July 78 2.0 26
August 79 2.2 25
September 79 2.9 24
October 78 3.6 22
November 76 4.7 20
December 72 4.8 18


January in Kaumakani is characterized by warm temperatures, averaging around 71°F. The town receives about 4.7 inches of precipitation, primarily in the form of rain. With about 17 sunny days, the weather is generally warm and slightly wet.

Natural Disasters and Activities

Kaumakani can experience heavy rain and occasional thunderstorms in January. While severe natural disasters like hurricanes are rare, it is always good to stay informed. Recommended activities include visiting Waimea Canyon, exploring the beaches, and enjoying local cuisine at nearby restaurants.


February remains warm, with average temperatures around 71°F. Precipitation decreases slightly to 3.9 inches, and sunny days increase to 18. The weather continues to be predominantly warm and pleasant.

Natural Disasters and Activities

Heavy rainfall can still occur, but severe weather is uncommon. Activities such as hiking, visiting botanical gardens, and attending local cultural events are popular. Whale watching tours are also a highlight, as February is within the peak season for humpback whale sightings.


March sees a slight increase in temperature, averaging 72°F. Precipitation remains relatively high at 4.2 inches, and sunny days rise to 20. Early signs of spring bring vibrant blooms and lush greenery.

Natural Disasters and Activities

Flooding from heavy rains can occasionally occur, but it is generally manageable. Outdoor activities such as hiking, bird watching, and attending spring festivals become more appealing. The annual Prince Kuhio Celebration, honoring a Hawaiian prince, is a significant event.


April brings further warming, with average temperatures reaching 74°F. Precipitation decreases to 2.9 inches, and sunny days increase to 22. Spring is in full swing, and the landscape becomes even more inviting.

Natural Disasters and Activities

The risk of severe weather decreases, making it a great time for outdoor activities. Hiking, snorkeling, and visiting local parks are popular. The Hanapepe Art Night, held weekly, is a cultural highlight featuring local artists and musicians.


May is characterized by warmer temperatures, averaging 75°F. Precipitation decreases further to 2.2 inches, and sunny days rise to 23. The weather is generally pleasant, making it an ideal time for outdoor activities.

Natural Disasters and Activities

With the onset of the dry season, severe weather is unlikely. Outdoor activities such as camping, hiking, and fishing are highly recommended. The Lei Day Celebration, showcasing traditional Hawaiian lei-making, is a notable event.


June brings summer warmth, with average temperatures around 77°F. Precipitation is low at 1.7 inches, and there are about 25 sunny days. The weather is typically warm and dry.

Natural Disasters and Activities

The risk of severe weather remains low. Outdoor activities such as boating, hiking, and attending farmers’ markets are enjoyable. The pleasant weather is perfect for beach outings and water sports.


July is one of the warmest months, with average temperatures reaching 78°F. Precipitation is slightly higher at 2.0 inches, and there are around 26 sunny days. The weather is hot and ideal for summer activities.

Natural Disasters and Activities

While hurricanes are rare, it is still hurricane season, so it is wise to stay informed. Outdoor activities such as swimming, boating, and attending the Fourth of July celebrations are popular. The Koloa Plantation Days Festival, celebrating the area’s heritage, is a key event.


August remains hot, with average temperatures around 79°F. Precipitation remains steady at 2.2 inches, and there are about 25 sunny days. The weather continues to be hot and humid.

Natural Disasters and Activities

Hurricane season continues, so it’s important to monitor weather updates. Outdoor activities such as hiking, fishing, and visiting local farms are enjoyable. The annual Heiva I Kauai, a Tahitian dance and cultural festival, attracts many visitors.


September sees slightly cooler temperatures, averaging 79°F. Precipitation increases to 2.9 inches, and sunny days decrease to 24. The weather remains warm but starts transitioning to fall.

Natural Disasters and Activities

The risk of hurricanes decreases, but occasional storms can still occur. Recommended activities include hiking, exploring botanical gardens, and attending the Aloha Festivals, celebrating Hawaiian culture.


October brings cooler temperatures, averaging 78°F. Precipitation increases to 3.6 inches, and there are about 22 sunny days. Fall foliage becomes prominent, creating beautiful landscapes.

Natural Disasters and Activities

Flooding is rare, and the risk of severe weather is low. Outdoor activities such as hiking, visiting pumpkin patches, and attending Halloween events are popular. The fall colors make it a great time for photography and scenic drives.


November is cooler, with average temperatures around 76°F. Precipitation increases slightly to 4.7 inches, and sunny days decrease to 20. The weather becomes more winter-like, with occasional frosty mornings.

Natural Disasters and Activities

Early winter storms can occur, leading to potential travel disruptions. Recommended activities include indoor events, holiday shopping, and preparing for the winter season. The annual Thanksgiving parade and community gatherings are highlights of the month.


December is cool, with average temperatures around 72°F. Precipitation increases slightly to 4.8 inches, and sunny days are few, with only about 18 on average. The weather starts to transition fully into winter.

Natural Disasters and Activities

Heavy rain and occasional cold fronts can lead to travel challenges, but severe disasters are rare. Activities such as ice skating, holiday markets, and visiting local indoor attractions are popular. The Christmas tree lighting ceremony and festive events are key highlights.


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