Climate and monthly weather forecastKilauea, HI
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Kilauea, Hawaii, with an average temperature fluctuating between 74.7°F (23.7°C) and 69.6°F (20.9°C). The transition into January marks the average high-temperature at a still warm 74.7°F (23.7°C), differing minimally from December's 75.4°F (24.1°C). Weather in January »Weather in February
February, the last month of the winter in Kilauea, is also an agreeable month, with an average temperature fluctuating between 68.5°F (20.3°C) and 73.2°F (22.9°C). The coldest period, with an average high-temperature of 73.2°F (22.9°C), falls in February and March. Weather in February »Weather in March
The first month of the spring, March, is still a pleasant month in Kilauea, Hawaii, with an average temperature fluctuating between 68.9°F (20.5°C) and 73.2°F (22.9°C). February and March are characterised by lowest temperatures, with an average high of 73.2°F (22.9°C). Weather in March »Weather in April
April in Kilauea, Hawaii, is a warm spring month, with an average temperature ranging between max 74.8°F (23.8°C) and min 70.9°F (21.6°C). April's average high-temperature stands at a moderately hot 74.8°F (23.8°C), showing little deviation from March's 73.2°F (22.9°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Kilauea, Hawaii, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 72.1°F (22.3°C). May is marked by an average high-temperature of a still moderately hot 76.8°F (24.9°C), almost identical to the preceding month. Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Kilauea, Hawaii, with an average temperature fluctuating between 73.9°F (23.3°C) and 78.3°F (25.7°C). June's onset sees an average high-temperature of a still moderately hot 78.3°F (25.7°C), exhibiting a slight fluctuation from the previous month. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Kilauea, Hawaii, with an average temperature ranging between min 75°F (23.9°C) and max 79°F (26.1°C). As Kilauea, Hawaii, transitions from June to July, the average high-temperatures adjust to a still warm 79°F (26.1°C), nearly the same as the previous 78.3°F (25.7°C). Weather in July »Weather in August
August, the last month of the summer in Kilauea, is another warm month, with an average temperature varying between 75.7°F (24.3°C) and 79.5°F (26.4°C). Stepping into August, Kilauea records an average high-temperature of a still warm 79.5°F (26.4°C), almost consistent with July. Weather in August »Weather in September
September, the first month of the autumn in Kilauea, is also a moderately hot month, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 75.9°F (24.4°C). Kilauea registers the highest average temperatures during the month of September, with peaks of 79.7°F (26.5°C) and lows of 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, in Kilauea, Hawaii, is a moderately hot autumn month, with an average temperature varying between 75.4°F (24.1°C) and 79.5°F (26.4°C). Entering October, the average high-temperature is recorded at a still warm 79.5°F (26.4°C), exhibiting a minimal shift from September's 79.7°F (26.5°C). Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Kilauea, Hawaii, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 74.1°F (23.4°C). October's transformation into November witnesses an average high-temperature of a still warm 77.2°F (25.1°C), noting a minor change from the preceding month. Weather in November »Weather in December
December, the first month of the winter in Kilauea, is also a moderately hot month, with an average temperature fluctuating between 71.8°F (22.1°C) and 75.4°F (24.1°C). The advent of December brings an average high-temperature of a still warm 75.4°F (24.1°C), almost identical to the preceding month. Weather in December »Updated: Aug 1, 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 is the least humid month, with an average relative humidity of 75%.
In Kilauea, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index in Kilauea.
February and March bring Kilauea's average lowest temperatures, reaching a high of 73.2°F (22.9°C).
The month with the most rainfall is March, when the rain falls for 18.6 days and typically aggregates up to 2.52" (64mm) of precipitation.
April is the month with the least rainfall. Rain falls for 18.3 days and accumulates 1.3" (33mm) of precipitation.
June through August, October and December, with an average relative humidity of 77%, are most humid months.
The month with the longest days is June, with an average of 13h and 30min of daylight.
The month with the most sunshine in Kilauea is June, with an average of 9.7h of sunshine.
September is the warmest month, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 75.9°F (24.4°C).
September is the month with the highest UV index, with an average maximum UV index of 7.
November has the least sunshine of the year, with an average of 6.2h of sunshine.
The month with the shortest days is December, with an average of 10h and 48min of daylight.
Kilauea does not utilize Daylight Saving Time (DST). HST timezone is used throughout the entire year.
Average temperature
Kilauea, HI
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure
Kilauea, HI
- Average pressure in January:
30.01"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.05"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.01"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed
Kilauea, HI
- Average wind speed in January:
10mph - Average wind speed in February:
11.1mph - Average wind speed in March:
12mph - Average wind speed in April:
11.5mph - Average wind speed in May:
10.5mph - Average wind speed in June:
12.1mph
- Average wind speed in July:
12.3mph - Average wind speed in August:
12.1mph - Average wind speed in September:
11.1mph - Average wind speed in October:
10.5mph - Average wind speed in November:
12.1mph - Average wind speed in December:
11.2mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity
Kilauea, HI
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall
Kilauea, HI
- Average rainfall in January:
1.57" - Average rainfall in February:
1.81" - Average rainfall in March:
2.52" - Average rainfall in April:
1.3" - Average rainfall in May:
1.57" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.77" - Average rainfall in August:
1.89" - Average rainfall in September:
1.54" - Average rainfall in October:
2.05" - Average rainfall in November:
2.05" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days
Kilauea, HI
- Average rainfall days in January:
12.5 days - Average rainfall days in February:
15 days - Average rainfall days in March:
18.6 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
20.9 days - Average rainfall days in August:
21.1 days - Average rainfall days in September:
18.7 days - Average rainfall days in October:
18.7 days - Average rainfall days in November:
19.2 days - Average rainfall days in December:
18.1 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average daylight / Average sunshine
Kilauea, HI
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 24min - 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 30min
- Average daylight in July:
13h and 18min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January:
8h and 6min - Average sunshine in February:
7h and 42min - Average sunshine in March:
7h and 30min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
8h and 36min - Average sunshine in August:
8h and 24min - Average sunshine in September:
8h and 42min - Average sunshine in October:
8h and 24min - Average sunshine in November:
6h and 12min - Average sunshine in December:
6h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days
Kilauea, HI
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
5.7 days - Average sunshine days in May:
6.7 days - Average sunshine days in June:
5 days
- Average sunshine days in July:
3.9 days - Average sunshine days in August:
2.9 days - Average sunshine days in September:
5.3 days - Average sunshine days in October:
6.3 days - Average sunshine days in November:
4.7 days - Average sunshine days in December:
6.7 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index
Kilauea, HI
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover
Kilauea, HI
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).
Average visibility
Kilauea, 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).
