Kauai Weather in May

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

Planning a journey to Kauai, the United States of America this May and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Kauai in May

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

Temperatures

You can expect warm maximum daytime temperatures of around 26°C (79°F) and nighttime temperatures around 22°C (72°F) in Princeville.

To explore the conditions in Kauai, the United States of America in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Koloa with an average of 49 mm (1.9 in) to moderate rainfall in Kapaa with 65 mm (2.6 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Princeville enjoys approximately 246 hours of sunlight, 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)

Best Places to Visit in Kauai in May

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

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 May for some of the most popular destinations in Kauai, the United States of America?

Temperature range in Kauai (May)

Precipitation variation in Kauai (May)

Princeville

In May Princeville generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
25°C (77°F)
26°C (79°F)
27°C (81°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly sun hours
203 hours
246 hours
248 hours
Monthly rainfall
55 mm (2.2 in)
52 mm (2 in)
51 mm (2 in)
Monthly rainy days
18 days
16 days
16 days
Weather conditions

Koloa

In May Koloa generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
25°C (77°F)
26°C (79°F)
27°C (81°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly sun hours
203 hours
246 hours
248 hours
Monthly rainfall
45 mm (1.8 in)
49 mm (1.9 in)
46 mm (1.8 in)
Monthly rainy days
18 days
16 days
16 days
Weather conditions

Kapaa

In May Kapaa generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
25°C (77°F)
26°C (79°F)
27°C (81°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly sun hours
203 hours
246 hours
248 hours
Monthly rainfall
69 mm (2.7 in)
65 mm (2.6 in)
68 mm (2.7 in)
Monthly rainy days
18 days
16 days
16 days
Weather conditions

Lihue

In May Lihue generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
25°C (77°F)
26°C (79°F)
27°C (81°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly sun hours
203 hours
246 hours
248 hours
Monthly rainfall
66 mm (2.6 in)
65 mm (2.6 in)
67 mm (2.6 in)
Monthly rainy days
18 days
16 days
16 days
Weather conditions

Hanalei

In May Hanalei generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 22°C (72°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
25°C (77°F)
26°C (79°F)
27°C (81°F)
Min temperature
21°C (70°F)
22°C (72°F)
23°C (73°F)
Monthly sun hours
203 hours
246 hours
248 hours
Monthly rainfall
54 mm (2.1 in)
53 mm (2.1 in)
50 mm (2 in)
Monthly rainy days
18 days
16 days
16 days
Weather conditions

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Princeville 26°C (79°F) 22°C (72°F) 52 mm (2 in)
Koloa 26°C (79°F) 22°C (72°F) 49 mm (1.9 in)
Kapaa 26°C (79°F) 22°C (72°F) 65 mm (2.6 in)
Lihue 26°C (79°F) 22°C (72°F) 65 mm (2.6 in)
Hanalei 26°C (79°F) 22°C (72°F) 53 mm (2.1 in)

Kauai weather in May: frequently asked questions

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

In May, Kauai, the United States of America generally has perfect weather conditions. Princeville sees daytime temperatures near 26°C (79°F), with nights cooling to roughly 22°C (72°F).

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

In Princeville, the average daytime high in May is 26°C (79°F), while nighttime temperatures drop to around 22°C (72°F).

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

Rain is generally moderate to light in Kauai, the United States of America during May, with Princeville averaging close to 52 mm (2 in).

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

Given the typically perfect weather conditions in Princeville, May might be a good time to visit Kauai, the United States of America. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in offering mostly perfect 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.

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