Climate and monthly weather forecastKeoneoio, HI
Climate and monthly weather forecast
Weather in January
January, like December, in Keoneoio, Hawaii, is a moderately hot winter month, with an average temperature varying between 73.8°F (23.2°C) and 71.1°F (21.7°C). The arrival of January brings an average high-temperature of a still warm 73.8°F (23.2°C), nearly identical to December's 74.5°F (23.6°C). Weather in January »Weather in February
February, the last month of the winter in Keoneoio, is another pleasant month, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 73°F (22.8°C). February notes an average high-temperature of a pleasant 73°F (22.8°C), subtly differing from January's 73.8°F (23.2°C). Weather in February »Weather in March
March, the first month of the spring in Keoneoio, is still a pleasant month, with an average temperature fluctuating between 69.8°F (21°C) and 72.9°F (22.7°C). Keoneoio reaches its lowest average temperatures in March, measuring 72.9°F (22.7°C) at the peak and 69.8°F (21°C) at the lowest. Weather in March »Weather in April
April in Keoneoio, Hawaii, is a warm spring month, with temperature in the range of an average low of 70.9°F (21.6°C) and an average high of 74.3°F (23.5°C). As Keoneoio steps into April, the average high-temperature is measured at a warm 74.3°F (23.5°C), displaying minor differences from March's 72.9°F (22.7°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Keoneoio, Hawaii, with an average temperature ranging between max 75.4°F (24.1°C) and min 72.7°F (22.6°C). An average high-temperature of a still warm 75.4°F (24.1°C) marks May, exhibiting a close resemblance to the conditions in April. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Keoneoio, Hawaii, with an average temperature varying between 76.8°F (24.9°C) and 74.1°F (23.4°C). The arrival of June denotes a barely perceptible change in the average high-temperatures to a still warm 76.8°F (24.9°C) from May's 75.4°F (24.1°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Keoneoio, Hawaii, with temperature in the range of an average low of 75°F (23.9°C) and an average high of 77.5°F (25.3°C). Transitioning into July, Keoneoio records an average high-temperature of a still moderately hot 77.5°F (25.3°C), almost identical to June's 76.8°F (24.9°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Keoneoio, Hawaii, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 75.7°F (24.3°C). August brings an average high-temperature of a still warm 78.6°F (25.9°C), showing a slight difference from July's 77.5°F (25.3°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Keoneoio, Hawaii, with an average temperature fluctuating between 79°F (26.1°C) and 76.1°F (24.5°C). Keoneoio, Hawaii, reaches its highest average temperatures in September, measuring 79°F (26.1°C) at the peak and 76.1°F (24.5°C) at the lowest. Weather in September »Weather in October
October, like September, in Keoneoio, Hawaii, is another warm autumn month, with an average temperature fluctuating between 77.9°F (25.5°C) and 75.6°F (24.2°C). As September turns into October, the average high-temperatures rest at a still moderately hot 77.9°F (25.5°C), showing a minor variation from the prior month. Weather in October »Weather in November
November, the last month of the autumn in Keoneoio, is another warm month, with an average temperature fluctuating between 76.1°F (24.5°C) and 73.9°F (23.3°C). The average high-temperature for November is a still moderately hot 76.1°F (24.5°C), closely aligning with the temperature of the preceding month. Weather in November »Weather in December
The first month of the winter, December, is also a moderately hot month in Keoneoio, Hawaii, with an average temperature fluctuating between 72°F (22.2°C) and 74.5°F (23.6°C). With December's arrival, Keoneoio's weather records an average high-temperature of a still warm 74.5°F (23.6°C), marking little difference from November's 76.1°F (24.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Keoneoio, HI
The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).
Average pressure
Keoneoio, 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:
30.06"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
29.99"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:
30"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed
Keoneoio, HI
- Average wind speed in January:
10.9mph - Average wind speed in February:
11.9mph - Average wind speed in March:
12.9mph - Average wind speed in April:
13.5mph - Average wind speed in May:
12.6mph - Average wind speed in June:
14.4mph
- Average wind speed in July:
14.2mph - Average wind speed in August:
14.1mph - Average wind speed in September:
12.6mph - Average wind speed in October:
12.1mph - Average wind speed in November:
13.5mph - Average wind speed in December:
12.4mph
The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).
Average humidity
Keoneoio, HI
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).
Average rainfall
Keoneoio, HI
- Average rainfall in January:
1.06" - Average rainfall in February:
2.13" - Average rainfall in March:
1.42" - Average rainfall in April:
1.42" - Average rainfall in May:
0.94" - Average rainfall in June:
0.51"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.59" - Average rainfall in September:
0.43" - Average rainfall in October:
2.17" - Average rainfall in November:
1.26" - Average rainfall in December:
1.5"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days
Keoneoio, HI
- Average rainfall days in January:
10.6 days - Average rainfall days in February:
11.4 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
8.8 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
8.1 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
13.8 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).
Average snowfall days
Keoneoio, HI
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight / Average sunshine
Keoneoio, HI
- Average daylight in January:
11h and 6min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 6min - Average daylight in June:
13h and 24min
- 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:
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 24min - Average sunshine in February:
8h and 42min - Average sunshine in March:
8h and 30min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
9h and 12min - Average sunshine in September:
9h and 30min - Average sunshine in October:
7h and 54min - Average sunshine in November:
6h and 54min - Average sunshine in December:
6h and 42min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Keoneoio, HI
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
12 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
14.9 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
12.3 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
13.3 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).
Average UV index
Keoneoio, 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
Keoneoio, HI
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility
Keoneoio, 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).





