Climate and monthly weather forecastKeanakolu, HI
Climate and monthly weather forecast
Weather in January
January, the same as December, is another comfortable winter month in Keanakolu, Hawaii, with an average temperature ranging between min 52.9°F (11.6°C) and max 63°F (17.2°C). Keanakolu enters January with an average high-temperature of a still enjoyable 63°F (17.2°C), mirroring December's climate. Weather in January »Weather in February
February, the last month of the winter in Keanakolu, is another refreshing month, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 52°F (11.1°C). Keanakolu experiences an average high-temperature of a still enjoyable 62.2°F (16.8°C) in February, subtly different from January's 63°F (17.2°C). Weather in February »Weather in March
March, the first month of the spring in Keanakolu, is still a comfortable month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 61.9°F (16.6°C). Keanakolu's temperature records reveal March as the coldest month, marked by average highs of 61.9°F (16.6°C) and lows of 52.5°F (11.4°C). Weather in March »Weather in April
April, the same as March, is another refreshing spring month in Keanakolu, Hawaii, with an average temperature ranging between min 54.1°F (12.3°C) and max 63°F (17.2°C). Upon the onset of April, Keanakolu witnesses an average high-temperature of a still comfortable 63°F (17.2°C), showing a close resemblance to the prior month. Weather in April »Weather in May
The last month of the spring, May, is another refreshing month in Keanakolu, Hawaii, with an average temperature fluctuating between 55.9°F (13.3°C) and 64.2°F (17.9°C). May's arrival shows an average high-temperature of a still comfortable 64.2°F (17.9°C), hardly different from the previous month. Weather in May »Weather in June
June, the first month of the summer in Keanakolu, is still a refreshing month, with an average temperature fluctuating between 65.8°F (18.8°C) and 57°F (13.9°C). Stepping into June, Keanakolu records an average high-temperature of a still refreshing 65.8°F (18.8°C), almost consistent with May. Weather in June »Weather in July
July, the same as June, is another enjoyable summer month in Keanakolu, Hawaii, with an average temperature fluctuating between 66.9°F (19.4°C) and 58.3°F (14.6°C). Keanakolu's entry into July measures an average high-temperature of a still comfortable 66.9°F (19.4°C), closely parallel to the preceding month. Weather in July »Weather in August
The last month of the summer, August, is another refreshing month in Keanakolu, Hawaii, with an average temperature fluctuating between 58.3°F (14.6°C) and 67.5°F (19.7°C). August, recognised by an average high temperature of 67.5°F (19.7°C) and a low of 58.3°F (14.6°C), is Keanakolu's warmest month. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Keanakolu, Hawaii, with an average temperature fluctuating between 59°F (15°C) and 66.4°F (19.1°C). A minimal variation is noted in Keanakolu's average high-temperature at the onset of September, reaching a still refreshing 66.4°F (19.1°C) from August's 67.5°F (19.7°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Keanakolu, Hawaii, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 58.5°F (14.7°C). Keanakolu's entry into October measures an average high-temperature of a still enjoyable 65.5°F (18.6°C), closely parallel to the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Keanakolu, is another refreshing month, with an average temperature ranging between max 63.5°F (17.5°C) and min 56.1°F (13.4°C). In November, Keanakolu notes an average high-temperature of a still comfortable 63.5°F (17.5°C), hardly different from the preceding month. Weather in November »Weather in December
The first month of the winter, December, is still a comfortable month in Keanakolu, Hawaii, with an average temperature fluctuating between 54.3°F (12.4°C) and 63°F (17.2°C). December brings an average high-temperature of a still comfortable 63°F (17.2°C), nearly identical to the preceding month. Weather in December »Updated: Feb 12, 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
Throughout the year, there are 280.8 rainfall days, and 33.9" (861mm) of precipitation is accumulated.
The months with the lowest UV index in Keanakolu are January through April, November and December, with an average maximum UV index of 4.
The least humid month is February, with an average relative humidity of 78%.
March brings the lowest temperatures in Keanakolu, with an average high of 61.9°F (16.6°C) and an average low of 52.5°F (11.4°C).
The months with the highest UV index in Keanakolu, Hawaii, are May through October, with an average maximum UV index of 5.
The month with the least rainfall in Keanakolu, Hawaii, is June, when the rain falls for 23.8 days and typically collects 1.57" (40mm) of precipitation.
With an average of 13h and 18min of daylight, June has the longest days of the year in Keanakolu, Hawaii.
The month with the most sunshine in Keanakolu is July, with an average of 10h of sunshine.
In Keanakolu, August is the warmest month, with temperatures averaging a high of 67.5°F (19.7°C) and a low of 58.3°F (14.6°C).
The month with the most rainfall in Keanakolu, Hawaii, is August, when the rain falls for 25.7 days and typically aggregates up to 4.13" (105mm) of precipitation.
The months with the highest humidity in Keanakolu, Hawaii, are September and October, with an average relative humidity of 84%.
The month with the shortest days in Keanakolu is December, with an average of 11h and 0min of daylight.
Keanakolu, Hawaii, does not utilize Daylight Saving Time (DST). HST timezone is used over the entire year.
December has the least sunshine of the year in Keanakolu, Hawaii, with an average of 6.5h of sunshine.
Average temperature
Keanakolu, HI
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).
The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure
Keanakolu, HI
- Average pressure in January:
30"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.03"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
Keanakolu, HI
- Average wind speed in January:
4.5mph - Average wind speed in February:
5mph - Average wind speed in March:
4.6mph - Average wind speed in April:
4.9mph - Average wind speed in May:
4.5mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
4.6mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5mph
The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).
Average humidity
Keanakolu, HI
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall
Keanakolu, HI
- Average rainfall in January:
1.69" - Average rainfall in February:
3.43" - Average rainfall in March:
3.46" - Average rainfall in April:
2.32" - Average rainfall in May:
2.32" - Average rainfall in June:
1.57"
- Average rainfall in July:
2.09" - Average rainfall in August:
4.13" - Average rainfall in September:
3.31" - Average rainfall in October:
3.82" - Average rainfall in November:
2.48" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days
Keanakolu, HI
- Average rainfall days in January:
17.1 days - Average rainfall days in February:
18.1 days - Average rainfall days in March:
24.5 days - Average rainfall days in April:
24.1 days - Average rainfall days in May:
26.5 days - Average rainfall days in June:
23.8 days
- Average rainfall days in July:
24.9 days - Average rainfall days in August:
25.7 days - Average rainfall days in September:
27.3 days - Average rainfall days in October:
25.9 days - Average rainfall days in November:
22.2 days - Average rainfall days in December:
20.7 days
The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).
Average daylight / Average sunshine
Keanakolu, 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:
8h and 18min - Average sunshine in February:
8h and 18min - Average sunshine in March:
7h and 42min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 30min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
8h and 0min - Average sunshine in September:
7h and 42min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Keanakolu, HI
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
7.4 days - Average sunshine days in March:
4.6 days - Average sunshine days in April:
4.1 days - Average sunshine days in May:
3.3 days - Average sunshine days in June:
3.1 days
- Average sunshine days in July:
2.6 days - Average sunshine days in August:
2.3 days - Average sunshine days in September:
0.8 days - Average sunshine days in October:
2.4 days - Average sunshine days in November:
4.7 days - Average sunshine days in December:
7.4 days
The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).
Average UV index
Keanakolu, HI
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover
Keanakolu, HI
The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility
Keanakolu, 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).
