Climate and monthly weather forecastKaanapali, HI

Climate and monthly weather forecast
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 »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure
Kaanapali, HI
- Average pressure in January:
30"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.06"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30"Hg - Average pressure in December:
30"Hg
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).
Average wind speed
Kaanapali, HI
- Average wind speed in January:
10.6mph - Average wind speed in February:
11.7mph - Average wind speed in March:
12.6mph - Average wind speed in April:
12.4mph - Average wind speed in May:
11.7mph - Average wind speed in June:
13.8mph
- Average wind speed in July:
13.9mph - Average wind speed in August:
13.5mph - Average wind speed in September:
11.8mph - Average wind speed in October:
11.4mph - Average wind speed in November:
12.6mph - Average wind speed in December:
11.9mph
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).
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%).
Average rainfall
Kaanapali, HI
- Average rainfall in January:
0.67" - Average rainfall in February:
1.06" - Average rainfall in March:
1.1" - Average rainfall in April:
0.83" - Average rainfall in May:
0.55" - Average rainfall in June:
0.47"
- Average rainfall in July:
0.35" - Average rainfall in August:
0.39" - Average rainfall in September:
0.43" - Average rainfall in October:
0.55" - Average rainfall in November:
0.47" - Average rainfall in December:
1.02"
The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days
Kaanapali, HI
- Average rainfall days in January:
9.9 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.4 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
10.3 days - Average rainfall days in June:
7.8 days
- Average rainfall days in July:
7.8 days - Average rainfall days in August:
7.9 days - Average rainfall days in September:
8.5 days - Average rainfall days in October:
8.7 days - Average rainfall days in November:
7.7 days - Average rainfall days in December:
10.5 days
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).
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).
Average daylight / Average sunshine
Kaanapali, HI
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 6min - Average daylight in June:
13h and 24min
- Average daylight in July:
13h and 18min - Average daylight in August:
12h and 48min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 54min
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).
- Average sunshine in January:
8h and 18min - Average sunshine in February:
8h and 30min - Average sunshine in March:
8h and 18min - Average sunshine in April:
8h and 48min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 12min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
9h and 6min - Average sunshine in September:
9h and 24min - Average sunshine in October:
8h and 6min - Average sunshine in November:
6h and 54min - Average sunshine in December:
6h and 42min
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).
Average sunshine days
Kaanapali, HI
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
14 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
17.2 days - Average sunshine days in June:
16.8 days
- Average sunshine days in July:
17.5 days - Average sunshine days in August:
17.7 days - Average sunshine days in September:
18.3 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
17.4 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).
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).
Average cloud cover
Kaanapali, HI
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).
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).





