Climate and monthly weather forecastVolcano, HI
Climate and monthly weather forecast
The climate of Volcano
The climate in Volcano, Hawaii, is classified as Af under the Köppen Climate Classification, reflecting a predominately tropical rainforest climate. This characteristically moist environment is observable throughout the year, and Volcano's geographical location contributes significantly to these meteorological conditions.Remarkably, temperatures in Volcano maintain a subtropical feel all year. The peak average high temperature is 75.4°F (24.1°C) in August, gradually declining to a mild low of 69.6°F (20.9°C) in March. This relative consistency in temperature is also seen with the average lows, registering between 64°F (17.8°C) in March to 70°F (21.1°C) in September, ensuring an amicable climate for visitors year-round.
Deepening the tropical characteristic of Volcano is its rainfall. The region receives the most rain in February, while the driest month is June. To complement these numbers, it can be expected to rain between 13.3 days in January to 22.9 days in March, leading to an almost everpresent potential for rain in Volcano.
Simultaneously, Volcano also experiences an abundance of sunshine amongst the rains. There is an observable surge of sunlight durations from December's lowest 6.5 hours per day to June's peak 10.9 hours daily. Concurrently, clear skies average 31-42% throughout the year, rendering Volcano with its own unique blend of sun and rain.
The best time to visit Volcano
Visiting Volcano at its optimal climatic conditions would be around June. Elated by an average of 10.9 hours of sunshine, temperature highs peaking at 73.6°F (23.1°C) and the least rainfall for the year at 1.1" (28mm), these meteorological conditions combine to elevate June as a favourable period to explore Volcano's natural beauty.The worst time to visit Volcano
Caution is advised when planning a trip in February. This month records the highest annual rainfall at 3.78" (96mm) over an average of 16.7 days. Despite temperature highs resting at a comfortable 70.2°F (21.2°C), the increased precipitation can disrupt outdoor activities, making it the least desirable period for a visit.Spring weather in Volcano
Spring ushers the temperature highs to oscillate from 69.6°F (20.9°C) in March to 72.1°F (22.3°C) in May. Although there's a gradual decrease in rainfall, March stands out with the highest number of rainy days at 22.9. By contrast, May hosts more manageable conditions with an average rainfall of 1.38" (35mm) over 20.2 days.Summer weather in Volcano
Temperature highs in Volcano during summer hover between 73.6°F (23.1°C) and 75.4°F (24.1°C), while the average lows slightly increase from 66.9°F (19.4°C) in June to 70°F (21.1°C) by September. Rainfall rates dip in June but rise gradually again to 2.52" (64mm) in August. Concomitantly, daylight and sunshine hours peak in summer, positioning this period as a suitable time for tourist activities.Autumn weather in Volcano
Autumn in Volcano showcases a gentle decline in temperature averages, migrating downwards from 75.2°F (24°C) in September to a still pleasant 72.9°F (22.7°C) in November. November also marks the onset of recurrent rains, whereas September holds the shortest daylight hours for the season (12.2 hours).Winter weather in Volcano
Winter in Volcano presents surprisingly mild conditions compared to many locations. The highs fluctuate minimally between 72.9°F (22.7°C) in December to 70.9°F (21.6°C) by February, while the lows vary from 66.4°F (19.1°C) to 64.8°F (18.2°C). Rainfall, however, escalates during this period, peaking at 3.78" (96mm) in February, leading to dampened conditions. Yet, with an average daylight duration above 11 hours, Volcano still receives substantial sunlight.Weather in January
The year begins with January in Volcano, Hawaii noteworthy for regular precipitation, as rainfall reaches 2.72" (69mm). A discernible shift from sunshine duration to increased cloudiness, sees a notable reduction in sunshine days. Weather in January »Weather in February
As the year moves into February, the transition in climatic patterns is evident. February tends to experience the highest rainfall at 3.78" (96mm) transforming Volcano, Hawaii into a tropical oasis. Slightly higher average temperatures coupled with a marginal increase in cloud cover render a humid tropical experience. Weather in February »Weather in March
Coming out of February's rainfall peak, March exhibits a trend towards lesser rainfall of 3.15" (80mm). Dominated by more hours of daylight as we move towards Spring, this month shows an increase in daylight duration. Despite the light rainfall, March maintains a relatively high humidity rate, maintaining the same pattern as the previous months. Weather in March »Weather in April
April in Volcano, Hawaii witnesses the promise of the Spring season with reduced rainfall down to 1.97" (50mm). Experiencing noticeably longer hours of daylight, April marks the beginning of the dry phase of the year. The temperature highs maintain a steadiness hinting at a stable climate pattern. Weather in April »Weather in May
May presents itself with an evident climate transition with the lowest rainfall of 1.38" (35mm) recorded for the year. In the heart of the Spring, the temperature begins a steady ascent, signaling a progression into the early months of summer. Weather in May »Weather in June
The progress into June brings about further climate changes, noticeable in the slight dip in rainfall to 1.1 inch. Marking the arrival of summer, June sees a significant increase in sunshine hours as well as a rise in temperature highs. Weather in June »Weather in July
July records an uptick in the monthly rainfall total to 1.61" (41mm) as Volcano, Hawaii strides into the heart of summer. Alongside the rainfall, temperature highs reach a peak enhancing the tropical warmth of the region. An astoundingly high UV index is evident, as we trudge through the height of summer, underlining the need for UV protection. Weather in July »Weather in August
In August, the effects of the ongoing summer are apparent as rainfall peaks at 2.52" (64mm). Cloud cover registers a minor increase pairing harmoniously with the temperature highs that persist throughout this month. The tropical atmosphere of Volcano, Hawaii is kept comfortable by the constant wind speeds ensuring an even distribution of warmth. Weather in August »Weather in September
As September rolls in, the weather findings for Volcano, Hawaii point towards a slight decrease in rainfall to 1.81" (46mm). The high temperatures persist from August, with the sunshine duration slightly reduced, signaling the onset of Fall. Weather in September »Weather in October
The approach of the Fall season in October comes with its unique weather characteristics, marked with a significant surge in rainfall to 2.8" (71mm). The gradual cooling of the air as the days grow shorter is accompanied by a slight drop in temperature highs. Weather in October »Weather in November
In November, the transition to the late fall is clearer with rainfall slightly dropping to 2.36" (60mm). A decrease in temperature highs from the previous month marks the beginnings of the colder season. The UV index keeps steady, maintaining the same requirement for sun protection. Weather in November »Weather in December
Wrapping up the year, December brings with it a tropical twist. A slight increase in rainfall to 2.64" (67mm) sets the tone for a green winter in Volcano, Hawaii. Consequently, the temperature highs decrease, heralding the arrival of the tropical winter phase. 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
January, May through July, with an average relative humidity of 78%, are the least humid months in Volcano.
In Volcano, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.
The months with the lowest UV index are January through April, with an average maximum UV index of 5.
The month with the most rainfall in Volcano is February, when the rain falls for 16.7 days and typically aggregates up to 3.78" (96mm) of precipitation.
Volcano witnesses the coldest weather in March, with temperatures averaging a high of 69.6°F (20.9°C) and a low of 64°F (17.8°C).
With an average relative humidity of 80%, March is the most humid month in Volcano.
May through December, with an average maximum UV index of 6, are months with the highest UV index in Volcano, Hawaii.
The month with the least rainfall in Volcano, Hawaii, is June, when the rain falls for 17.3 days and typically collects 1.1" (28mm) of precipitation.
With an average of 13h and 18min of daylight, June has the longest days of the year in Volcano.
With an average of 10.9h of sunshine, June has the most sunshine of the year.
August, with its high-temperature average of 75.4°F (24.1°C) and a low-temperature average of 68.9°F (20.5°C), is the warmest month in Volcano, Hawaii.
The month with the shortest days in Volcano, Hawaii, is December, with an average of 11h and 0min of daylight.
Volcano, Hawaii, does not observe Daylight Saving Time (DST). HST timezone is used over the entire year.
With an average of 6.5h of sunshine, December has the least sunshine of the year.
Average temperature
Volcano, HI
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).
The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).
Average pressure
Volcano, HI
- Average pressure in January:
30"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.02"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:
29.99"Hg - Average pressure in December:
29.99"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed
Volcano, HI
- Average wind speed in January:
7mph - Average wind speed in February:
7.4mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.5mph - Average wind speed in May:
7mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
7.1mph - Average wind speed in August:
7.6mph - Average wind speed in September:
7mph - Average wind speed in October:
6.7mph - Average wind speed in November:
7mph - Average wind speed in December:
6.9mph
The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).
Average humidity
Volcano, HI
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).
Average rainfall
Volcano, HI
- Average rainfall in January:
2.72" - Average rainfall in February:
3.78" - Average rainfall in March:
3.15" - Average rainfall in April:
1.97" - Average rainfall in May:
1.38" - Average rainfall in June:
1.1"
- Average rainfall in July:
1.61" - Average rainfall in August:
2.52" - Average rainfall in September:
1.81" - Average rainfall in October:
2.8" - Average rainfall in November:
2.36" - Average rainfall in December:
2.64"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days
Volcano, HI
- Average rainfall days in January:
13.3 days - Average rainfall days in February:
16.7 days - Average rainfall days in March:
22.9 days - Average rainfall days in April:
21.3 days - Average rainfall days in May:
20.2 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
19.5 days - Average rainfall days in September:
19.2 days - Average rainfall days in October:
20.1 days - Average rainfall days in November:
21 days - Average rainfall days in December:
18.4 days
The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).
Average daylight / Average sunshine
Volcano, HI
- Average daylight in January:
11h and 6min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 6min - Average daylight in June:
13h and 18min
- Average daylight in July:
13h and 12min - Average daylight in August:
12h and 48min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 12min - Average daylight in December:
11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in January:
7h and 54min - Average sunshine in February:
8h and 18min - Average sunshine in March:
7h and 30min - Average sunshine in April:
8h and 48min - Average sunshine in May:
10h and 36min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
9h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Volcano, HI
- Average sunshine days in January:
12.1 days - Average sunshine days in February:
6 days - Average sunshine days in March:
3.3 days - Average sunshine days in April:
1.9 days - Average sunshine days in May:
3.3 days - Average sunshine days in June:
3.3 days
- Average sunshine days in July:
3.2 days - Average sunshine days in August:
1.8 days - Average sunshine days in September:
2.5 days - Average sunshine days in October:
3.8 days - Average sunshine days in November:
3.1 days - Average sunshine days in December:
6.2 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).
Average UV index
Volcano, HI
The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).
Average cloud cover
Volcano, HI
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility
Volcano, 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).
