Yearly & Monthly weather

The climate of Puako

Nested within the tropical paradises of Hawaii, USA and classified under the Köppen climate classification as Cfb, Puako experiences a marine west coast climate prominently known for its warm summers. An assessment of the annual climatic conditions portrays a stable temperature range, wherein the highest average temperature of 78.4°F (25.8°C) is evident in August and the lowest average temperature of 69.4°F (20.8°C) makes its appearance in March. Being in the tropics, the relative humidity remains moderately high throughout the year, fluctuating only slightly from 71% in February to 77% in June, July, and August.

Amongst the weather parameters, rainfall exhibits a distinct pattern where the maximum average rainfall of 0.98" (25mm) in February reduces to the minimum average of 0.47" (12mm) in January. This trend maintains the region mostly devoid of any prolonged dry spells. Wind speeds remain relatively constant with minor variations from a maximum of 6.2mph (10km/h) in February to a minimum of 5mph (8km/h) in July. As expected in such a coastal region, the percentage of cloud cover varies from 12% in January to a peak of 21% from April to June.

The tropical charm of Puako is further accentuated by the ample sunshine it gets throughout the year, with the highest hours of 13.3 in June and the lowest of 10.9 in December. The UV index remains uniform at 6 indicating a balanced exposure to the sun. Identified anomalies in Puako’s weather include the elevated hours of sunshine and daylight, which remain relatively high even in months witnessing the most rainfall.

The best time to visit Puako

The best time to visit the tropical paradise of Puako ideally falls between May and August. With maximum daily temperatures averaging between 75.7°F (24.3°C) to 78.4°F (25.8°C) and minimum nightly temperatures from 71.6°F (22°C) to 74.8°F (23.8°C), these months offer a perfect tropical warm atmosphere most sought after by vacationers. The region enjoys a maximum of 13.3 daylight hours coupled with 11.4 sunshine hours in June. With relative humidity maintaining at 77% and rainfall reaching its minimal march at 0.55" (14mm) in June, this period stands out as idyllic for taking pleasure in outdoor activities and beach visits unhindered by rain showers.

The worst time to visit Puako

The time span from November to February is less conducive for travel to Puako owing to the rise in precipitation. Rainfall, on average, increases from 0.59" (15mm) in November to 0.98" (25mm) in February, the highest annual rainfall. Furthermore, the temperatures, although not extremely low, dip to an average of 73.2°F (22.9°C) in February. The daylight hours also experiences a slump to an annual low of 10.9 hours in December. Therefore, these months, with limited sunshine hours and increased rainfall, might deter travelers seeking the abundant sunshine and clear skies characteristic of Hawaii.

Spring weather in Puako

Spring in Puako runs from March to May and offers the first stretch of warm and humid months with temperature averages moving from 74.1°F (23.4°C) to 75.7°F (24.3°C) and relative humidity from 72% to 76%. An increased rainfall from 0.75" (19mm) in March to 0.94" (24mm) in May marks this season. Daylight hours experience a substantial jump from 12 hours in March to 13.1 hours in May, accompanied by a progression in sunshine hours from 9.4 in March to 11.3 in May.

Summer weather in Puako

Summer months from June through August best reflect the warm tropical climate Puako is known for. Temperatures scale up to their peak in August at 78.4°F (25.8°C) while the humidity inches towards the higher end at 77%. Rainfall, contradictorily, reduces to 0.51" (13mm) in August even with increased temperature and humidity. While daylight hours achieve the annual high of 13.3 hours in June, sunshine hours settle at their highest average of 11.3 hours in June and July.

Autumn weather in Puako

Autumn in Puako, from September till November, witnesses a slight cooling trend. The maximum temperature drops from 78.3°F (25.7°C) in September to 77.2°F (25.1°C) in November while on the lower end, temperature declines from 74.8°F (23.8°C) to 73.2°F (22.9°C). Rainfall averages pick up momentum moving from 0.75" (19mm) in September to 0.59" (15mm) in November. The hours of daylight diminish to 11.2 in November, shadowed by a decrease in sunshine hours from 9.5 in September to 7.5 in November.

Winter weather in Puako

Winter in Puako, spanning December to February, experiences a further reduction in temperature with the lowest averages from 74.8°F (23.8°C) in December to 73.2°F (22.9°C) in February. The weather remains predominantly humid, with relative humidity ranging from 73% in December to 71% in February. Rainfall intensifies to culminate at 0.98" (25mm) in February, the highest precipitation encountered in the year. Reduction in daylight hours to an annual minimum of 10.9 in December and a dip in sunshine hours to 7.4 in December make winters slightly less radiant. However, the tropical charm of Puako remains unfettered with temperatures never venturing into biting cold territories even in winter.

Weather in January

Despite being the first month of the year, January in Puako, Hawaii, USA, doesn’t boast wintry conditions as in other parts of the world. The appearance of moderate rainfall, with certain days reaching peaks of 0.47" (12mm), characterizes the weather. Weather in January »

Weather in February

The weather in February is akin to January, with minor yet discernible differences. The amount of rainfall increases slightly during this month, resulting in showers that can measure up to 0.98" (25mm). These showers are often light and bring an enriching impact on the local flora, adding to the landscape's luscious greenery. Weather in February »

Weather in March

In March, the weather transition into spring becomes quite evident. The rainfall is reasonably distributed throughout the month, with the average amount reaching a comfortable 0.75" (19mm). This is complemented by the cool breezes that provide relief from the moderate heat. Weather in March »

Weather in April

April witnesses a further increase in temperature, with more rainfall compared to the preceding month, but with some similarities as well. Soaking up to 0.87" (22mm), the showers in April bring about an enchanting aura in Puako. The rainfall, although slightly high, does not disrupt daily activities and contributes to a serene atmosphere. Weather in April »

Weather in May

May comes with an appealing blend of sunshine and light showers. The rain, going up to 0.94" (24mm), simply enhances the allure of the city without causing any inconvenience. The beautiful weather conditions perfect for sunbathing or exploring the stunning landscapes of Puako persists through May. Weather in May »

Weather in June

June in Puako rings in slightly warmer temperatures, yet maintaining an overall pleasing climate. June sees a decrease in the rainfall, measured at 0.55" (14mm), delivering the perfect balance of sunshine and showers. The tropical paradise flaunting its misty mornings and mildly warm afternoons stays inviting through this season. Weather in June »

Weather in July

July takes a leap towards higher temperatures, still maintaining acceptable levels of warmth. The month's rainfall measurement standing at 0.67" (17mm) indicates moderate showers intermittently. The weather conditions remain favorable for various outdoor activities, with the city's ambiance brushed with a warm tint. Weather in July »

Weather in August

August persists with the routine set by June and July, encompassing slight fluctuations in the quantifiable aspects of weather. Rainfall seems to contract a bit, receding to 0.51" (13mm), keeping the surroundings fresh and vibrant. Weather in August »

Weather in September

September brings about a marginal reduction in temperature, but the scenic beauty of Puako remains intact. Despite the slight increase in rainfall to 0.75" (19mm), residents and tourists alike find the conditions ideal for various activities. Weather in September »

Weather in October

As endearing as the previous months, October offers comfortable weather conditions. With the rainfall continuing at 0.75" (19mm), October is reminiscent of September, displaying moderate showers scattered throughout the month. October’s agreeable climate sets a precedent for the upcoming month, November. A minor adjustment in Puako's average high-temperature is noted with the start of October, touching a still moderately hot 77.9°F (25.5°C) from September's 78.3°F (25.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderately hot month in Puako, Hawaii, with an average temperature varying between 77.2°F (25.1°C) and 73.2°F (22.9°C). Puako marks the onset of November with an average high-temperature of a still warm 77.2°F (25.1°C), a subtle shift from October's 77.9°F (25.5°C). Weather in November »

Weather in December

Wrapping up the year, December carries forth the pleasant weather conditions of its preceding months. The occasional showers, measuring to 0.67" (17mm), continue providing respite and freshness to the surroundings. The moderate climate, complemented by gentle breezes, offers an ideal weather scenario, full circle, ready to welcome the New Year with open arms. December is marked by an average high-temperature of a still warm 74.8°F (23.8°C), almost identical to the preceding month. Weather in December »

Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the driest month?

The month with the least rainfall is January, when the rain falls for 8.2 days and typically collects 0.47" (12mm) of precipitation.

How many days does it rain?

In Puako, during the entire year, the rain falls for 136 days and collects up to 8.5" (216mm) of precipitation.

When is the highest UV index?

The months with the highest UV index are January through December, with an average maximum UV index of 6.

When is the lowest UV index?

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

What are the coldest months?

In Puako, the lowest temperatures are generally noted in February, averaging a high of 73.2°F (22.9°C) and a low of 69.8°F (21°C).

What is the least humid month?

With an average relative humidity of 71%, February is the least humid month.

What is the rainiest month in Puako?

The month with the most rainfall is February, when the rain falls for 8.1 days and typically aggregates up to 0.98" (25mm) of precipitation.

What are the most humid months?

The months with the highest humidity are June through August, with an average relative humidity of 77%.

When are the longest days?

The month with the longest days is June, with an average of 13h and 18min of daylight.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 11.4h of sunshine.

What time of the year is the hottest?

August, with its high-temperature average of 78.4°F (25.8°C) and a low-temperature average of 74.8°F (23.8°C), is the warmest month.

What is the month with the shortest days?

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

Is there Daylight Saving Time (DST)?

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

What is the month with the least sunshine in Puako?

With an average of 7.4h of sunshine, December has the least sunshine of the year in Puako.

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Long-term

Year J F M A M J J A S O N D

Average temperature
Puako, HI

Average high temperature in January:
73.4°F
Average high temperature in February:
73.2°F
Average high temperature in March:
74.1°F
Average high temperature in April:
74.7°F
Average high temperature in May:
75.7°F
Average high temperature in June:
76.6°F

Average high temperature in July:
77.7°F
Average high temperature in August:
78.4°F
Average high temperature in September:
78.3°F
Average high temperature in October:
77.9°F
Average high temperature in November:
77.2°F
Average high temperature in December:
74.8°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is February (73.2°F).

Average low temperature in January:
70°F
Average low temperature in February:
69.8°F
Average low temperature in March:
69.4°F
Average low temperature in April:
70.5°F
Average low temperature in May:
71.6°F
Average low temperature in June:
72.9°F

Average low temperature in July:
73.8°F
Average low temperature in August:
74.8°F
Average low temperature in September:
74.8°F
Average low temperature in October:
74.8°F
Average low temperature in November:
73.2°F
Average low temperature in December:
71.1°F

The months with the highest average low temperature are August, September and October (74.8°F).
The coldest month (with the lowest average low temperature) is March (69.4°F).

Average pressure
Puako, HI

The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

Average wind speed
Puako, HI

The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is July (5mph).

Average humidity
Puako, HI

The months with the highest relative humidity are June, July and August (77%).
The month with the lowest relative humidity is February (71%).

Average rainfall
Puako, HI

The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days
Puako, HI

Average rainfall days in January:
8.2 days
Average rainfall days in February:
8.1 days
Average rainfall days in March:
10.9 days
Average rainfall days in April:
13.8 days
Average rainfall days in May:
14.4 days
Average rainfall days in June:
11.7 days

Average rainfall days in July:
12.8 days
Average rainfall days in August:
11.3 days
Average rainfall days in September:
13.4 days
Average rainfall days in October:
13.1 days
Average rainfall days in November:
8.9 days
Average rainfall days in December:
9.4 days

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (8.1 days).

Average daylight / Average sunshine
Puako, HI

Average daylight in January:
11h and 1min
Average daylight in February:
11h and 3min
Average daylight in March:
12h and 1min
Average daylight in April:
12h and 4min
Average daylight in May:
13h and 1min
Average daylight in June:
13h and 2min

Average daylight in July:
13h and 1min
Average daylight in August:
12h and 5min
Average daylight in September:
12h and 1min
Average daylight in October:
11h and 4min
Average daylight in November:
11h and 1min
Average daylight in December:
10h and 5min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).

Average sunshine in January:
9h and 1min
Average sunshine in February:
9h and 4min
Average sunshine in March:
9h and 2min
Average sunshine in April:
9h and 4min
Average sunshine in May:
11h and 2min
Average sunshine in June:
11h and 2min

Average sunshine in July:
11h and 2min
Average sunshine in August:
9h and 2min
Average sunshine in September:
9h and 3min
Average sunshine in October:
8h and 2min
Average sunshine in November:
7h and 3min
Average sunshine in December:
7h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days
Puako, HI

Average sunshine days in January:
14.5 days
Average sunshine days in February:
12.1 days
Average sunshine days in March:
12 days
Average sunshine days in April:
6.9 days
Average sunshine days in May:
8.8 days
Average sunshine days in June:
8.3 days

Average sunshine days in July:
11.2 days
Average sunshine days in August:
11.8 days
Average sunshine days in September:
8.3 days
Average sunshine days in October:
6.8 days
Average sunshine days in November:
10.6 days
Average sunshine days in December:
12.3 days

The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is October (6.8 days).

Average UV index
Puako, HI

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

Average cloud cover
Puako, HI

The months with the most cloud cover are April, May and June (Cloud cover 21).
The month with the least cloud cover is January (Cloud cover 12).

Average visibility
Puako, 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).

Climate and monthly weather forecastPuako, HI

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