Climate and monthly weather forecast
Kaanapali, HI

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Palm trees on green grass overlooking the famous Kaanapali beach in Hawaii
Palm trees on green grass overlooking the famous Kaanapali beach in Hawaii

The climate of Kaanapali

The characteristic climate of Kaanapali, Hawaii, falls under the As category in the Köppen climate classification, indicating a tropical savanna climate with a pronounced dry season in the 'summer', or low-sun months. Geographically, Kaanapali's position on the Island of Maui close to the Pacific Ocean heavily influences its weather conditions.

The annual temperature variation is relatively small, with an average high temperature fluctuating between 73.9°F (23.3°C) to 79.7°F (26.5°C), and an average minimum temperature ranging from 70.7°F (21.5°C) to 76.5°F (24.7°C). Rainfall varies moderately across the year, from a low of 0.35" (9mm) in July to a high of 1.1" (28mm) in March. The number of rainfall days also varies, with fewer days in the summer and more in the spring and late winter.

Kaanapali enjoys a generous amount of sunshine, with daylight hours varying from a maximum of 13.4 in June to a minimum of 10.9 in December. Correspondingly, the number of sunshine hours varies between 16.8 days to 18.4 days per month. Another noteworthy pattern is that humidity is relatively consistent year-round, hovering around the mid-70s in percentage.

The best time to visit Kaanapali

The optimal period to set foot in Kaanapali is arguably between May and August. During these months, the area enjoys its warmest temperatures, with average highs ranging from 76.8°F (24.9°C) to 79.7°F (26.5°C). There's also a decent amount of sunshine, with up to 13.4 daylight hours. Furthermore, these months often see the least amount of rainfall, ranging from 0.35" (9mm) to 0.55" (14mm), making it an opportune time for outdoor activities.

The worst time to visit Kaanapali

Consideration should be given to avoiding the month of March, as it typically sees the highest rainfall, measuring 1.1" (28mm) across 13.4 days, potentially impacting plans for outdoor pursuits. Despite this, temperatures still remain relatively warm, with a high of 74.1°F (23.4°C) and a low of 70.7°F (21.5°C), though these are the year's lowest.

Spring weather in Kaanapali

Spring in Kaanapali spans from March to May. During this time, the area witnesses increasing temperatures, with average highs moving from 74.1°F (23.4°C) in March to 76.8°F (24.9°C) in May. Average low temperatures also escalate marginally, from 70.7°F (21.5°C) to 73°F (22.8°C). Rainfall and the number of rainfall days decrease as the season progresses, falling from a high of 1.1" (28mm) across 13.4 days in March to 0.55" (14mm) across 10.3 days in May.

Summer weather in Kaanapali

The summer months in Kaanapali are June to August, characterized by warm temperatures and minimal rainfall. Average high temperatures peak in these months, reaching up to 79.7°F (26.5°C), while the low temperature varies from 74.8°F (23.8°C) to 76.5°F (24.7°C). Rainfall is typically low, ranging from 0.35" (9mm) to 0.39" (10mm), across 7.8 to 7.9 days.

Autumn weather in Kaanapali

Autumn in Kaanapali is from September to November. Temperatures begin to decline with the average high falling from 79.7°F (26.5°C) in September to 77.5°F (25.3°C) in November, and low temperatures shifting from 76.3°F (24.6°C) to 74.8°F (23.8°C). Rainfall increases slightly across the season, from 0.43" (11mm) to 0.47" (12mm), and the number of rainfall days rises slightly from 8.5 in September to 7.7 in November.

Winter weather in Kaanapali

Kaananpali’s winter, spanning from December to February, while slightly cooler, still promises mild temperatures. Average high temperatures range down from 75.4°F (24.1°C) in December to 73.9°F (23.3°C) in February, and low temperatures fluctuating marginally between 72.7°F (22.6°C) to 70.9°F (21.6°C). Rainfall increases with the transition into the winter months, peaking at 1.06" (27mm) in February, and the number of rainfall days also heighten, reaching a maximum of 10.3 days in the same month.

Weather in January

January kicks off the year with moderately warm temperatures in Kaanapali, Hawaii. With relative humidity recorded at 75%, the climate can feel rather humid. Coupled with the lowest maximum wind speed of 11.2mph (18km/h) for the year, the air can feel significantly still and thick. Weather in January »

Weather in February

February sees a minor dip in temperatures, alongside a gradual increase in the amount of rain with 1.06" (27mm) dispersed over 10.3 days. The climate remains fairly consistent, with the exception of a slight increase in wind speeds compared to January, reaching a maximum of 12.2mph (19.6km/h). Weather in February »

Weather in March

The transition into spring in March brings warmer days and an increase in rainfall to 1.1" (28mm) over the span of 13.4 days. The sea temperature drops slightly to 76°F (24.4°C), indicating cooler dips in the ocean. Kaanapali residents will notice a marginally stronger wind, as speeds pick up to 13.1mph (21.1km/h). Weather in March »

Weather in April

April presents the first noticeable rise in temperature with lows at 72.1°F (22.3°C). The favourable conditions of increased daylight to 12.6 hours, coupled with the envy-inducing sea temperature of 76.8°F (24.9°C), can make beach-goers' delight. Weather in April »

Weather in May

May introduces higher temperatures and decreased rainfall of 0.55" (14mm). With reasonably long sunshine hours at 10.6 hours per day and a sea temperature of 77.6°F (25.3°C), the beach becomes a key focal point for locals and tourists alike. Weather in May »

Weather in June

Summer officially arrives in June in Kaanapali, with soaring temperatures reaching a high of 77.9°F (25.5°C). Seizing its position as the driest month, June witnesses a mere 0.47" (12mm) of rainfall scattered across 7.8 days. The beaches teem with life as the sea reaches a pleasant 78.4°F (25.8°C), inviting everyone to bask in the sun. Weather in June »

Weather in July

Road to the peak of the summer, July marks the most humid month with a relative humidity of 77%. Even with the increased humidity, the almost negligible rainfall of 0.35" (9mm) keeps the temperatures tolerable. The surge in UV indexes to 7, along with steady sea temperatures, demands ample sunscreen for beach days. Weather in July »

Weather in August

The temperatures continue to creep upward in August, featuring the highest sea temperature at a stunning 80.2°F (26.8°C). An increased cloud cover of 28% can provide some relief from the scorching sun. Similarly, the constant Hawaiian breeze, with wind speeds reaching 14mph (22.5km/h) on some days, helps combat the omnipresent heat. Weather in August »

Weather in September

September experiences a dip in temperatures from the previous month, whilst maintaining steady sea and wind conditions. With an UV index of 7 and balanced daylight hours of 11.7 hours, outdoor activities continue to be attractive. Weather in September »

Weather in October

As October rolls in, Kaanapali welcomes slightly more rainfall, with measurements reaching 0.55" (14mm). Although there's a surge in precipitation, weather patterns stay fairly consistent with September. The extended cloud cover of 27% coupled with pleasant wind conditions provides a gentle respite from the Hawaiian sun. Weather in October »

Weather in November

November marks a significant change in the Kaanapali weatherscape with an increase in rainfall to 0.47" (12mm). Daylight hours begin to contract to 11.1 hours, marking the arrival of shorter days. With the sea temperature receding to 78.7°F (25.9°C), it's a sign that summer has passed. Weather in November »

Weather in December

Ending the year with the coolest temperatures, December witnesses reduced sea temperature of 77.2°F (25.1°C). This month experiences a resurgence in rainfall with 1.02" (26mm) received over 10.5 days, indicating a slight increase from November. Weather in December »
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Frequently asked questions

What is the least humid month in Kaanapali?

The months with the lowest humidity in Kaanapali, Hawaii, are January through March, September and November, with an average relative humidity of 75%.

How much does it rain in Kaanapali?

Throughout the year, there are 112.6 rainfall days, and 7.91" (201mm) of precipitation is accumulated.

What are the months with the lowest UV index in Kaanapali?

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index.

What is the coldest time of year in Kaanapali?

February is the month when Kaanapali, Hawaii, experiences its coldest temperatures, averaging a high of 73.9°F (23.3°C) and a low of 70.9°F (21.6°C).

What is the wettest month in Kaanapali?

The month with the most rainfall in Kaanapali, Hawaii, is March, when the rain falls for 13.4 days and typically aggregates up to 1.1" (28mm) of precipitation.

What month is the ocean coldest in Kaanapali?

March is the month with the coldest seawater, with an average ocean temperature of 75.9°F (24.4°C).

When are the longest days in Kaanapali?

With an average of 13h and 24min of daylight, June has the longest days of the year in Kaanapali.

What month has the most sunshine in Kaanapali?

With an average of 11.2h of sunshine, June has the most sunshine of the year.

What is the most humid month in Kaanapali?

With an average relative humidity of 77%, July is the most humid month in Kaanapali, Hawaii.

What is the driest month in Kaanapali?

The month with the least rainfall is July, when the rain falls for 7.8 days and typically collects 0.35" (9mm) of precipitation.

What are the months with the highest UV index in Kaanapali?

July through October, with an average maximum UV index of 7, are months with the highest UV index.

What are the warmest months in Kaanapali?

Kaanapali records the warmest temperatures in September, averaging a high of 79.7°F (26.5°C) and a low of 76.3°F (24.6°C).

When is the ocean warmest in Kaanapali?

The month with the warmest seawater in Kaanapali, Hawaii, is September, with an average ocean temperature of 80.2°F (26.8°C).

What is the month with the shortest days in Kaanapali?

The month with the shortest days is December, with an average of 10h and 54min of daylight.

Is there Daylight Saving Time (DST) in Kaanapali?

Kaanapali does not utilize Daylight Saving Time (DST). HST timezone is used over the entire year.

What is the month with the least sunshine in Kaanapali?

With an average of 6.7h of sunshine, December has the least sunshine of the year in Kaanapali.

Average temperature
Kaanapali, HI

Average temperature - Kaanapali, HI

The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).

The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).

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Average pressure
Kaanapali, HI

Average pressure - Kaanapali, HI

The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed
Kaanapali, HI

Average wind speed - Kaanapali, HI

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).

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Average humidity
Kaanapali, HI

Average humidity - Kaanapali, HI

The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January, February, March, September and November (75%).

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Average rainfall
Kaanapali, HI

Average rainfall - Kaanapali, HI

The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days
Kaanapali, HI

Average rainfall days - Kaanapali, HI

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).

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Average sea temperature
Kaanapali, HI

Average sea temperature - Kaanapali, HI

The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (76°F).

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Average daylight / Average sunshine
Kaanapali, HI

Average daylight / Average sunshine - Kaanapali, HI

The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days
Kaanapali, HI

Average sunshine days - Kaanapali, HI

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).

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Average UV index
Kaanapali, HI

Average UV index - Kaanapali, HI

The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).

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Average visibility
Kaanapali, HI

Average visibility - Kaanapali, HI

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Kaanapali, Hawaii, USA

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