Which is the hottest month in Hanalei, Kauai?

The hottest time of year in Hanalei, Kauai is normally August. Expect maximum daytime temperatures to reach 29°C with high heat and humidity.

Which month has the most rain in Hanalei, Kauai?

In terms of rainfall, November is usually the wettest month in Hanalei, Kauai with 255mm on average. There are normally 18 days in November with some rain.

When is it sunniest in Hanalei, Kauai?

The sunniest time of year in Hanalei, Kauai is normally August with bright sunshine on average for 67% of daylight hours; that's 9 hours of sunshine per day.

When is the sea warmest in Hanalei, Kauai?

The sea is usually at its warmest in Hanalei, Kauai in September when the water temperature reaches 27°C.

Best time to visit Hanalei, Kauai

Q: When is the best time to visit Hanalei, Kauai?

The best time to visit Hanalei, Kauai is May, June and August based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Hanalei, Kauai by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Hanalei, Kauai?

The best time to visit Hanalei, Kauai is May, June and August based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

4
Jan
4
Feb
4
Mar
4
Apr
4
May
4
Jun
4
Jul
4
Aug
4
Sep
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Oct
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Nov
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Dec

Change criteria

Max Day Temperature (°F)

77
Jan
77
Feb
77
Mar
79
Apr
81
May
82
Jun
84
Jul
84
Aug
84
Sep
82
Oct
81
Nov
79
Dec

Hours of Sunshine (daily)

6
Jan
7
Feb
7
Mar
7
Apr
8
May
8
Jun
8
Jul
9
Aug
8
Sep
7
Oct
6
Nov
5
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Hawaii (Hanalei, Kauai) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)