Kauai Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Kauai, the United States of America in July.

🔎
Princeville Koloa Kapaa Lihue

Planning a getaway to Kauai, the United States of America this July and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Kauai in July

Kauai, the United States of America is a region in the United States of America. July in Kauai generally has warm temperatures, with moderate precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 27°C (81°F) and nighttime temperatures around 23°C (73°F) in Princeville.

To learn more about the conditions in specific areas of Kauai, the United States of America, check out the map below.

Precipitation

In July, precipitation varies across different areas. From moderate rainfall in Koloa with an average of 42 mm (1.7 in) to moderate rainfall in Kapaa with 67 mm (2.6 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in July. Princeville typically receives 260 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Kauai by month

Pick a month to see the average temperature, rainfall and sunshine in Kauai - and find the best time to visit. (based on Princeville)

January24°C (75°F) February24°C (75°F) March24°C (75°F) April25°C (77°F) May26°C (79°F) June27°C (81°F) This monthJuly27°C (81°F) August28°C (82°F) September28°C (82°F) October27°C (81°F) November26°C (79°F) December25°C (77°F)
Best Time to Visit Kauai →

Best Places to Visit in Kauai in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Kauai.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Kauai

What is the weather like in July for some of the most popular destinations in Kauai, the United States of America?

Temperature range in Kauai (July)

Precipitation variation in Kauai (July)

Princeville

In July Princeville generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« June
July
August »
June
July
August
Max temperature
27°C (81°F)
27°C (81°F)
28°C (82°F)
Min temperature
23°C (73°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
248 hours
260 hours
263 hours
Monthly rainfall
51 mm (2 in)
49 mm (1.9 in)
49 mm (1.9 in)
Monthly rainy days
16 days
19 days
17 days
Weather conditions
excellent
excellent
excellent
Climate in Princeville →

Koloa

In July Koloa generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« June
July
August »
June
July
August
Max temperature
27°C (81°F)
27°C (81°F)
28°C (82°F)
Min temperature
23°C (73°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
248 hours
260 hours
263 hours
Monthly rainfall
46 mm (1.8 in)
42 mm (1.7 in)
45 mm (1.8 in)
Monthly rainy days
16 days
19 days
17 days
Weather conditions
excellent
excellent
excellent
Climate in Koloa →

Kapaa

In July Kapaa generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« June
July
August »
June
July
August
Max temperature
27°C (81°F)
27°C (81°F)
28°C (82°F)
Min temperature
23°C (73°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
248 hours
260 hours
263 hours
Monthly rainfall
68 mm (2.7 in)
67 mm (2.6 in)
69 mm (2.7 in)
Monthly rainy days
16 days
19 days
17 days
Weather conditions
excellent
excellent
excellent
Climate in Kapaa →

Lihue

In July Lihue generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« June
July
August »
June
July
August
Max temperature
27°C (81°F)
27°C (81°F)
28°C (82°F)
Min temperature
23°C (73°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
248 hours
260 hours
263 hours
Monthly rainfall
67 mm (2.6 in)
65 mm (2.6 in)
67 mm (2.6 in)
Monthly rainy days
16 days
19 days
17 days
Weather conditions
excellent
excellent
excellent
Climate in Lihue →

Hanalei

In July Hanalei generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« June
July
August »
June
July
August
Max temperature
27°C (81°F)
27°C (81°F)
28°C (82°F)
Min temperature
23°C (73°F)
23°C (73°F)
24°C (75°F)
Monthly sun hours
248 hours
260 hours
263 hours
Monthly rainfall
50 mm (2 in)
48 mm (1.9 in)
49 mm (1.9 in)
Monthly rainy days
16 days
19 days
17 days
Weather conditions
excellent
excellent
excellent
Climate in Hanalei →

Is your destination not in the list? Have a look at all destinations in Kauai, in the United States of America.

In our records: the United States of America July extremes

Notable July records observed across cities in the United States of America in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United States of America reached 51°C (124°F) in Palm Desert on July 28, 1995.

Popular cities in July

Day & night temperatures, rainfall and average weather in Kauai in July.

City Weather Day temp Night temp Rainfall
Princeville 27°C (81°F) 23°C (73°F) 49 mm (1.9 in)
Koloa 27°C (81°F) 23°C (73°F) 42 mm (1.7 in)
Kapaa 27°C (81°F) 23°C (73°F) 67 mm (2.6 in)
Lihue 27°C (81°F) 23°C (73°F) 65 mm (2.6 in)
Hanalei 27°C (81°F) 23°C (73°F) 48 mm (1.9 in)

Kauai weather in July: frequently asked questions

What is the weather like in Kauai, the United States of America in July?

Kauai, the United States of America typically experiences excellent weather in July, part of the season. Daytime highs in Princeville average around 27°C (81°F), and temperatures drop to about 23°C (73°F) at night.

What is the average temperature in Kauai, the United States of America in July?

Daytime temperatures in Princeville peak at roughly 27°C (81°F) in July, dropping to about 23°C (73°F) overnight.

Does Kauai, the United States of America get a lot of rain in July?

Rain is generally moderate to light in Kauai, the United States of America during July, with Princeville averaging close to 49 mm (1.9 in).

Is July a Good Time to Visit Kauai, the United States of America?

In our opinion, July is a good time to visit Kauai, the United States of America with overall excellent weather in Princeville. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in offering mostly excellent weather in Princeville.

Interested in more climate information?

We have much more information about the climate in Kauai.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.

Yosemite National Park is definitely worth a visit

Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States

Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes

A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States

Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.
Must visit in the United States of America →