Climate and monthly weather forecast
Maunaloa, HI

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The climate of Maunaloa

Maunaloa, a beautiful hamlet located in Hawaii, USA, experiences a Tropical Wet and Dry or Savanna climate according to the Köppen climate classification. The locale is characterized by substantial variations in rainfall, humidity, and wind speeds throughout the year.

Naturally one might anticipate that overall, the temperatures register slight fluctuations across the year, with the average high ranging between 74.3°F (23.5°C) and 80.2°F (26.8°C) and the average low varying between 71.2°F (21.8°C) and 77.2°F (25.1°C). Humidity levels, which hone around 74 to 76%, reflect the tropical weather predominant in Maunaloa.

The locale witnesses a monthly rainfall between 0.67" (17mm) and 1.3" (33mm), with rainfall days spanning from 8.5 days to 13.2 days. Expectedly, Maunaloa experiences its peak rainy season from February to April.

An exploration of the wind data for Maunaloa reveals that the average wind speed oscillates between 10.8mph (17.4km/h) and 14.2mph (22.9km/h) across the year, while the highest gusts of wind go from 15mph (24.1km/h) to 19.1mph (30.7km/h).

The best time to visit Maunaloa

For tourists planning an itinerary, the best time to visit Maunaloa rests on preferred weather conditions and planned activities. Considering the peak sunny hours, June to August proves to be the best period to enjoy the sun as the average sunshine hours soar to 13.3 hours, perfect for outdoor activities.

The worst time to visit Maunaloa

However, tourists planning to avoid the rainy seasons should reconsider their visit during February to April. During these months, the area experiences its highest amounts of rainfall, reaching up to 1.3" (33mm) with an average rain day count going up to 13.2 days.

Spring weather in Maunaloa

Spring ushers with it moderate to high rainfall in Maunaloa. From March through May, the rainfall averages range from 0.83" (21mm) to 1.3" (33mm). Temperatures remain pleasant with highs between 74.5°F (23.6°C) and 77°F (25°C) and lows going from 71.2°F (21.8°C) to 74.3°F (23.5°C).

Summer weather in Maunaloa

The long, enjoyable days of summer from June through August brings about average sunshine hours from 13.3 to 13.4 resulting in pleasant days. Despite the increased sunshine, temperatures remain comfortable with highs from 78.4°F (25.8°C) to 80.2°F (26.8°C) and lows between 75.6°F (24.2°C) and 77°F (25°C).

Autumn weather in Maunaloa

Autumn witnesses a slight decrease in the average sunshine hours and temperatures. From September to November, the temperature highs range between 79.9°F (26.6°C) and 78.1°F (25.6°C). The temperatures dip lower during night time falling from 77.2°F (25.1°C) to 75.6°F (24.2°C).

Winter weather in Maunaloa

Winter months from December to February bring in chillier temperatures with highs going between 75.2°F (24°C) and 75.9°F (24.4°C) and lows between 72.1°F (22.3°C) and 71.8°F (22.1°C). During this period, Maunaloa experiences its highest rainfall up to 1.22" (31mm) in December and most rain days reaching 11.4 in December.

Weather in January

Humidity levels in Maunaloa, Hawaii, begin to stabilize in January after fluctuating in the previous months. With 11 sunshine hours per day, Maunaloa sees more than sufficient brightness to start off the year. As the trade winds from the northeast commence, they create a comforting breeze throughout the area. Weather in January »

Weather in February

In February, Maunaloa experiences a slight increase in rainfall to 1.14" (29mm), surpassing that of January. Daylight hours increase, signaling the approach of spring, further enhancing this tropical paradise's allure. The north-east trade winds continue to sweep across Maunaloa, carrying with them a soothing coolness. Weather in February »

Weather in March

The intermittent showers escalate in March, leading to a peak rainfall of 1.3" (33mm) for the year in Maunaloa. With daylight hours stretching out, more time can be spent enjoying the natural beauty of the island. Multitudes of flora embark on their blooming period, augmenting the vibrant green landscape. Weather in March »

Weather in April

In April, Maunaloa sees a decrease in rainfall to 0.83" (21mm), offering a respite from the increased showers of March. As daylight hours reach 12.7, the ample sunlight highlights the island's natural beauty. Variations in wind speed and direction start to manifest, introducing a new dynamic to the existing weather. Weather in April »

Weather in May

By May, Maunaloa enters a dryer phase as rainfall further lowers to 0.71" (18mm). The sun becomes more generous with its light, allowing for extensive daylight hours. The trade winds maintain a solid presence, adding a refreshing breeze to the warm sunbath. Weather in May »

Weather in June

Transitioning into June, Maunaloa witnesses the year's longest daylight hours, stretching to 13.4. Rainfall minimizes to one of the lowest levels, reaching 0.67" (17mm) and marking the beginning of the dryer summer months. Temperatures, both land and sea, remain evenly high, reaffirming the summer season. Weather in June »

Weather in July

As the heart of summer arrives in July, Maunaloa experiences the highest sea temperature at 79°F (26.1°C). The reduction in sunshine hours is barely noticeable as the sunny days continue to reign. The trade winds maintain their cooling presence despite the increasing humidity. Weather in July »

Weather in August

In August, the town of Maunaloa, Hawaii experiences peak temperatures, reaching up to 80.2°F (26.8°C). As the month advances, the amount of daylight begins to diminish, signaling the end of summer. The trade winds decrease their intensity without disappearing entirely, adding a soothing touch to hot days. Weather in August »

Weather in September

As autumn arrives in September, Maunaloa witnesses another peak in temperature, matching August’s high of 80.2°F (26.8°C). Despite the decrease in daylight hours, September remains bathed in sunlight for a good part of the day. Weather in September »

Weather in October

As Maunaloa enters October, a slight decrease in temperature to 79.9°F (26.6°C) helps announce autumn's presence. Despite the reduction of daylight and sunshine hours, outdoor activities continue to be an attractive pastime. Trade winds carry a refreshing coolness, contrasting with the warm sun and balmy sea temperatures. Weather in October »

Weather in November

Heading into November, Maunaloa experiences a noticeable dip in temperature to 78.1°F (25.6°C) and a further decrease in daylight to 11.1 hours. Despite less sunshine, the town remains an appealing place for sun-seekers and outdoor adventurers. Weather in November »

Weather in December

Throughout December, Maunaloa's weather displays characteristic patterns for year-end, with temperatures decreasing further to 75.9°F (24.4°C) and daylight shortening to 10.9 hours. Even as Christmas approaches, sunshine-hours remain ample enough for a warm winter holiday. Weather in December »
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Frequently asked questions

What are the least humid months in Maunaloa?

The months with the lowest humidity are January and November, with an average relative humidity of 74%.

How much does it rain in Maunaloa?

Throughout the year, in Maunaloa, Hawaii, there are 126.4 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

What months are the ocean coldest in Maunaloa?

January through April, with an average ocean temperature of 75.2°F (24°C), are months with the coldest seawater in Maunaloa, Hawaii.

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

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

What is the coldest month in Maunaloa?

The month of February, characterized by an average high of 74.3°F (23.5°C) and a low of 71.8°F (22.1°C), is recognized as the coldest in Maunaloa, Hawaii.

What is the wettest month in Maunaloa?

The month with the most rainfall in Maunaloa is March, when the rain falls for 13.2 days and typically aggregates up to 1.3" (33mm) of precipitation.

What are the most humid months in Maunaloa?

April through August, with an average relative humidity of 76%, are most humid months in Maunaloa.

When are the longest days in Maunaloa?

The month with the longest days in Maunaloa is June, with an average of 13h and 24min of daylight.

What month has the most sunshine in Maunaloa?

The month with the most sunshine in Maunaloa is June, with an average of 11.5h of sunshine.

When is the highest UV index in Maunaloa?

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

What is the driest month in Maunaloa?

July is the month with the least rainfall. Rain falls for 8.5 days and accumulates 0.31" (8mm) of precipitation.

What are the warmest months in Maunaloa?

Maunaloa experiences its warmest period in August and September, averaging a high-temperature of 80.2°F (26.8°C).

What months are the ocean warmest in Maunaloa?

September and October, with an average ocean temperature of 80.6°F (27°C), are months with the warmest seawater in Maunaloa.

What is the month with the shortest days in Maunaloa?

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

Is there Daylight Saving Time (DST) in Maunaloa?

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

What is the month with the least sunshine in Maunaloa?

The month with the least sunshine is December, with an average of 6.8h of sunshine.

Average temperature
Maunaloa, HI

Average temperature - Maunaloa, 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).

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Average pressure
Maunaloa, HI

Average pressure - Maunaloa, HI

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).

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Average wind speed
Maunaloa, HI

Average wind speed - Maunaloa, 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 (10.8mph).

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Average humidity
Maunaloa, HI

Average humidity - Maunaloa, 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%).

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Average rainfall
Maunaloa, HI

Average rainfall - Maunaloa, HI

The wettest month (with the highest rainfall) is March (1.3").
The driest month (with the least rainfall) is July (0.31").

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Average rainfall days
Maunaloa, HI

Average rainfall days - Maunaloa, HI

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).

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Average sea temperature
Maunaloa, HI

Average sea temperature - Maunaloa, HI

The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).

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Average daylight / Average sunshine
Maunaloa, HI

Average daylight / Average sunshine - Maunaloa, 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 30min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days
Maunaloa, HI

Average sunshine days - Maunaloa, HI

The month with the most sunshine days is July (16.1 days).
The month with the least sunshine days is November (10.8 days).

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Average UV index
Maunaloa, HI

Average UV index - Maunaloa, 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).

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Average visibility
Maunaloa, HI

Average visibility - Maunaloa, 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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Maunaloa, Hawaii, USA

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