Climate and monthly weather forecastKaunakakai, HI
Climate and monthly weather forecast
The climate of Kaunakakai
Marked by a tropical climate, Kaunakakai, Hawaii, is under the influence of the Köppen As climate classification, a designation denoting a tropical wet and dry climate or savanna climate, with a 'summer' dry season. Geographically positioned in the central Pacific Ocean, this Hawaiian town enjoys temperate weather year-round, with high temperatures ranging from 74.3°F (23.5°C) to 80.2°F (26.8°C) and low temperatures marking between 71.2°F (21.8°C) and 77.2°F (25.1°C).The town's climate features a relative humidity level that average 75%, owing to the flow of warm, moist air from the Pacific. Throughout the year, rainfall varies quite substantially, peaking at 1.3in in March and dipping down to a minimal 0.31in in July, manifesting an alternating pattern of wet and dry conditions. Respective to this, the number of rainfall days go from a high of 13.2 days, again in March, to a low of 8.5 days in July.
On the brighter side, Kaunakakai has an abundant share of sunshine hours, with an average of 11.5 hours at the peak in June and a slight dip to 6.8 hours in December. Compounded by the atmospheric pressure that maintains an average of 30in, it gives rise to spectacular sunrises and sunsets that attract visitors globally.
The best time to visit Kaunakakai
Ideal trips to Kaunakakai depend largely on the traveler's preferences, but judging from the climatic patterns, May to July are recommendable for vacationing. In these months, the maximum temperature fluctuates between 77°F (25°C) and 80.2°F (26.8°C) whilst the sea temperature averages around a warm 78.4°F (25.8°C) to 79.3°F (26.3°C). Ensuring a mostly dry spell, the rainfall during May and June are at a reduced 0.71in to 0.67in, providing ample sunlight at an awe-striking average of 11.2 to 11.5 hours per day. Tourists are thereby ensured favorable conditions for exploring the local attractions and the beautiful Hawaiian beaches.The worst time to visit Kaunakakai
Despite the year-round moderate weather, September to November is a less favorable time for a planned visit to Kaunakakai. Rainfall increases during this period from 0.75in to 0.94in with an average of 10.1 to 11.8 rainfall days. This is compounded by a gradual decrease in daily sunshine from 9.5 hours to 7 hours per day in November. Thus, the chances are higher for grey skies and sporadic showers which could dampen outdoor tourism activities.Spring weather in Kaunakakai
Spring in Kaunakakai, from March to May, brings a varied temperature range, with the highest temperature hovering between 74.5°F (23.6°C) to 77°F (25°C) and the lowest between 71.2°F (21.8°C) to 74.3°F (23.5°C). The months experience corresponding sunshine hours of 8.7 to 11.2 and an increase of daylight hours from 12 to 13.1. The onset of spring witnesses the highest rainfall of 1.3in in March, which gradually reduces to 0.71in by May. Despite a slightly higher number of rainfall days in March, spring could well serve as a pleasant time for a visit with its warm and inviting climate.Summer weather in Kaunakakai
Summer stretches from June to August and temperatures in Kaunakakai trend towards the higher end with peak temperatures scaling between 78.4°F (25.8°C) to 80.2°F (26.8°C). The sea temperature during summer averages around 78.4°F (25.8°C) to 79.3°F (26.3°C), perfect for water-based activities. This period also marks a noticeable decrease in rainfall, a mere 0.67in in June to an even lower 0.43in in August. The longer days with an average of 13.4 daylight hours and sun-soaked days averaging 11.5 hours in June, make summer a delightful time for tourists to embrace the tropical Hawaiian vibe.Autumn weather in Kaunakakai
Autumn falls between September and November and ushers in higher rainfall with average precipitation ranging from 0.75in to 0.94in. Visitor planning should consider this precipitation fluctuation, and reduced daylight hours which scale back from 12.3 to 11.1 hours. Though the number of sunshine hours drops from 9.5 to 7 hours, the temperatures remain stable with highs from 80.2°F (26.8°C) to 78.1°F (25.6°C) and lows from 77.2°F (25.1°C) to 75.6°F (24.2°C), which make for moderately warm conditions.Winter weather in Kaunakakai
Winter in Kaunakakai spans December to February and brings mild temperatures fluctuating between an average high of 75.9°F (24.4°C) to 75.2°F (24°C) and an average low of 73.6°F (23.1°C) to 72.1°F (22.3°C). The months of winter have the least amount of sunshine hours, ranging from 6.8 to 8.7 hours per day, but the rainfall levels increase during this period from 1.22in in December to 1.14in in February. Thus, the winter weather could be characterized by cooler temperatures and frequent rains, making it a somewhat subdued time to visit Kaunakakai.Weather in January
In Kaunakakai, Hawaii, January marks the start of the year with mild weather. Daytime temperatures tend to rise from 72.1°F (22.3°C) to 75.2°F (24°C), offering comfortable warmth to residents and visitors alike. This month also features significant rainfall with an average of 0.87" (22mm) falling over roughly 10.3 days. Weather in January »Weather in February
February weather in Kaunakakai, Hawaii shows a slight increase in both wind speed and rainfall from January. The wind intensifies to an average speed of 12.1mph (19.5km/h) with rainfall averaging at 1.14" (29mm). Despite this, February’s temperatures remain consistent with those of the previous month, allowing for a stable and pleasant weather pattern. Weather in February »Weather in March
In March, the weather in Kaunakakai, Hawaii continues to display a mild climate. The prime notable shift is an increase in the number of rainy days to 13.2 days, resulting in 1.3" (33mm) of precipitation. As a result, March registers as having the highest rainfall frequency in the year. Weather in March »Weather in April
April ushers in a decrease in both rainfall and precipitation days in Kaunakakai, Hawaii. On average, rainfall totals to 0.83" (21mm) and the number of rainy days dips to 10.4. This change signifies the onset of the "dry season" in Hawaii, with less rainfall and a concentration of sunny days. Weather in April »Weather in May
The weather in May in Kaunakakai, Hawaii, is defined by radiant warmth and a further reduction of rain from April. May experiences the lowest rainfall in the first half of the year with just 0.71" (18mm) of precipitation. The fine weather conditions of this month facilitate a surge in outdoor activities and events. Weather in May »Weather in June
In Kaunakakai, June heralds the summer season with a pleasant uptick in temperatures and a steady reduction in rainfall. With rainfall averaging 0.67" (17mm), June registers as the month with the least rainfall in a year. This month features spectacular weather that further emphasizes the allure of Hawaii as a summer vacation hotspot. Weather in June »Weather in July
July weather in Kaunakakai, Hawaii, remains fairly stable, continuing to favor outdoor activities. The most identifiable shifts from June are a slight increase in average maximum temperature to 79.3°F (26.3°C) and an uptick in daylight hours to 13.3. Weather in July »Weather in August
In August, Kaunakakai experiences its warmest weather with temperatures reaching up to 80.2°F (26.8°C). Coupled with that, daylight hours peak at 13.3, marking August as the month with the most hours of sunlight and the highest temperatures. Weather in August »Weather in September
September weather in Kaunakakai, Hawaii, echoes August, maintaining both high temperatures and significant daylight hours. Interestingly, the average wind speed drops to 11.8mph (19km/h) from 13.5mph (21.7km/h) in August. This decrease in wind activity contributes to a relaxed and pleasant climate. Weather in September »Weather in October
October brings about a change in Kaunakakai's weather, with a slight dip in temperatures and an increase in rainfall to 0.94" (24mm). Nonetheless, temperatures and sea conditions remain inviting for outdoor activities and water sports. Weather in October »Weather in November
November's weather in Kaunakakai, Hawaii, indicates a further shift towards cooler temperatures and an increase in precipitation days to 10.6. The decline from the warm, summer months is evident, even though Hawaii's tropical climate ensures reasonably warm temperatures throughout the year. Weather in November »Weather in December
In December, Kaunakakai witnesses the highest rainfall of the year with an average precipitation of 1.22" (31mm). Yet, Hawaii's pleasant winter weather persists with mild temperatures providing a heartening respite from more harsh winter climates elsewhere. Weather in December »Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The months with the lowest humidity are January and November, with an average relative humidity of 74%.
In Kaunakakai, Hawaii, during the entire year, the rain falls for 126.4 days and collects up to 9.84" (250mm) of precipitation.
The months with the lowest UV index in Kaunakakai, Hawaii, are January through May, November and December, with an average maximum UV index of 6.
The coldest temperatures in Kaunakakai, Hawaii, occur during February, when averages reach a peak of 74.3°F (23.5°C) and a low of 71.8°F (22.1°C).
March is the month with the most rainfall. Rain falls for 13.2 days and accumulates 1.3" (33mm) of precipitation.
The month with the coldest seawater is March, with an average ocean temperature of 75.6°F (24.2°C).
April through August, with an average relative humidity of 76%, are most humid months.
June has the longest days of the year, with an average of 13h and 24min of daylight.
June has the most sunshine of the year in Kaunakakai, Hawaii, with an average of 11.5h of sunshine.
The months with the highest UV index in Kaunakakai, Hawaii, are June through October, with an average maximum UV index of 7.
The month with the least rainfall is July, when the rain falls for 8.5 days and typically collects 0.31" (8mm) of precipitation.
August and September, with an average high-temperature of 80.2°F (26.8°C), are warmest months in Kaunakakai.
With an average ocean temperature of 80.2°F (26.8°C), September is the month with the warmest seawater in Kaunakakai.
December has the shortest days of the year in Kaunakakai, Hawaii, with an average of 10h and 54min of daylight.
Kaunakakai, Hawaii, does not observe Daylight Saving Time (DST). HST timezone is used throughout the entire year.
December has the least sunshine of the year, with an average of 6.8h of sunshine.
Average temperature
Kaunakakai, HI
The warmest months (with the highest average high temperature) are August and September (80.2°F).
The month with the lowest average high temperature is February (74.3°F).
The months with the highest average low temperature are September and October (77.2°F).
The coldest month (with the lowest average low temperature) is March (71.2°F).
Average pressure
Kaunakakai, 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:
30.05"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30"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:
29.99"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed
Kaunakakai, HI
- Average wind speed in January:
10.8mph - Average wind speed in February:
12.1mph - Average wind speed in March:
13mph - Average wind speed in April:
12.4mph - Average wind speed in May:
11.6mph - Average wind speed in June:
13.5mph
- 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:
12.9mph - Average wind speed in December:
12mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.8mph).
Average humidity
Kaunakakai, HI
The months with the highest relative humidity are April, May, June, July and August (76%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall
Kaunakakai, HI
- Average rainfall in January:
0.87" - Average rainfall in February:
1.14" - Average rainfall in March:
1.3" - Average rainfall in April:
0.83" - Average rainfall in May:
0.71" - Average rainfall in June:
0.67"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.43" - Average rainfall in September:
0.75" - Average rainfall in October:
0.94" - Average rainfall in November:
0.67" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days
Kaunakakai, HI
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
11.1 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
10.4 days - Average rainfall days in May:
11.2 days - Average rainfall days in June:
8.8 days
- Average rainfall days in July:
8.5 days - Average rainfall days in August:
9 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
10.6 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is March (13.2 days).
The month with the least rainy days is July (8.5 days).
Average sea temperature
Kaunakakai, 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 (75.6°F).
Average daylight / Average sunshine
Kaunakakai, 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 42min - Average daylight in May:
13h and 12min - 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 42min - Average sunshine in February:
8h and 42min - Average sunshine in March:
8h and 42min - Average sunshine in April:
9h and 6min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
9h and 24min - Average sunshine in September:
9h and 30min - Average sunshine in October:
8h and 30min - Average sunshine in November:
7h and 0min - Average sunshine in December:
6h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days
Kaunakakai, HI
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
11.1 days - Average sunshine days in March:
12.2 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
16.1 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
12.7 days - Average sunshine days in October:
11.5 days - Average sunshine days in November:
10.8 days - Average sunshine days in December:
12.5 days
The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).
Average UV index
Kaunakakai, HI
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover
Kaunakakai, HI
The months with the most cloud cover are February and March (Cloud cover 30).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility
Kaunakakai, 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).
