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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is an agreeable winter month in Keaau, Hawaii, with an average temperature fluctuating between 70.9°F (21.6°C) and 64.8°F (18.2°C). At the onset of January, Keaau records an average high-temperature of a still agreeable 70.9°F (21.6°C), showing little deviation from the preceding month. Weather in January »
Weather in February
The last month of the winter, February, is another pleasant month in Keaau, Hawaii, with an average temperature fluctuating between 64.2°F (17.9°C) and 70.2°F (21.2°C). As January turns into February, the average high-temperatures rest at a still pleasant 70.2°F (21.2°C), showing a minor variation from the prior month. Weather in February »
Weather in March
March, the first month of the spring in Keaau, is still a pleasant month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 69.6°F (20.9°C). Keaau's March weather reaches an average high of 69.6°F (20.9°C) and an average low of 64°F (17.8°C), making it the coldest month. Weather in March »
Weather in April
April, like March, is another pleasant spring month in Keaau, Hawaii, with an average temperature fluctuating between 64.9°F (18.3°C) and 70.9°F (21.6°C). Keaau transitions into April recording an average high-temperature of a still agreeable 70.9°F (21.6°C), closely aligning with the preceding month's temperature. Weather in April »
Weather in May
May, the last month of the spring in Keaau, is also an agreeable month, with an average temperature ranging between min 66.2°F (19°C) and max 72.1°F (22.3°C). With the advent of May, Keaau's high-temperatures adjust to a still agreeable 72.1°F (22.3°C), closely aligning with the preceding month. Weather in May »
Weather in June
June, the first month of the summer in Keaau, is a moderately hot month, with an average temperature ranging between max 73.6°F (23.1°C) and min 66.9°F (19.4°C). The arrival of June sees an average high-temperature of a moderately hot 73.6°F (23.1°C), hardly diverging from May's 72.1°F (22.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Keaau, Hawaii, with an average temperature varying between 68.4°F (20.2°C) and 74.7°F (23.7°C). With July's arrival, Keaau's weather records an average high-temperature of a still warm 74.7°F (23.7°C), marking little difference from June's 73.6°F (23.1°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Keaau, Hawaii, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 68.9°F (20.5°C). The temperatures reach their highest averages in August, with highs of 75.4°F (24.1°C) and lows of 68.9°F (20.5°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Keaau, Hawaii, with an average temperature varying between 70°F (21.1°C) and 75.2°F (24°C). September's onset records a minor alteration in the average high-temperature to a still moderately hot 75.2°F (24°C) from August's 75.4°F (24.1°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Keaau, Hawaii, with temperature in the range of an average high of 74.7°F (23.7°C) and an average low of 69.6°F (20.9°C). Keaau greets October with an average high-temperature of a still moderately hot 74.7°F (23.7°C), marking a slight deviation from the preceding month. Weather in October »
Weather in November
November, the last month of the autumn in Keaau, is another pleasant month, with an average temperature ranging between min 68°F (20°C) and max 72.9°F (22.7°C). November's advent denotes a minor fluctuation in the average high-temperature to a pleasant 72.9°F (22.7°C) from October's 74.7°F (23.7°C). Weather in November »
Weather in December
December, the first month of the winter in Keaau, is still a pleasant month, with an average temperature varying between 71.6°F (22°C) and 66.4°F (19.1°C). The beginning of December records an average high-temperature of a still pleasant 71.6°F (22°C), almost echoing the conditions of the previous month. 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
What are the least humid months in Keaau?
The months with the lowest humidity are January, May through July, with an average relative humidity of 78%.
How much does it rain in Keaau?
In Keaau, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.
What is the month with the lowest UV index in Keaau?
January through April, with an average maximum UV index of 5, are months with the lowest UV index in Keaau, Hawaii.
What is the wettest month in Keaau?
February is the month with the most rainfall in Keaau, Hawaii. Rain falls for 16.7 days and accumulates 3.78" (96mm) of precipitation.
What is the coldest time of year in Keaau?
March is the coldest month, with the temperature often reaching an average high of 69.6°F (20.9°C) and an average low of 64°F (17.8°C).
What is the most humid month in Keaau?
March is the most humid month in Keaau, with an average relative humidity of 80%.
What are the months with the highest UV index in Keaau?
The months with the highest UV index in Keaau, Hawaii, are May through December, with an average maximum UV index of 6.
What is the driest month in Keaau?
June is the month with the least rainfall in Keaau, Hawaii. Rain falls for 17.3 days and accumulates 1.1" (28mm) of precipitation.
When are the longest days in Keaau?
With an average of 13h and 18min of daylight, June has the longest days of the year in Keaau, Hawaii.
What month has the most sunshine in Keaau?
The month with the most sunshine in Keaau is June, with an average of 10.9h of sunshine.
What are the warmest months in Keaau?
August is the month when Keaau, Hawaii, sees the average highest temperatures, with a high of 75.4°F (24.1°C) and a low of 68.9°F (20.5°C).
What is the month with the shortest days in Keaau?
The month with the shortest days is December, with an average of 11h and 0min of daylight.
Is there Daylight Saving Time (DST) in Keaau?
Keaau, Hawaii, does not utilize Daylight Saving Time (DST). HST timezone is used over the entire year.
What is the month with the least sunshine in Keaau?
With an average of 6.5h of sunshine, December has the least sunshine of the year in Keaau, Hawaii.
Average temperature
Keaau, 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
Keaau, 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
Keaau, 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
Keaau, 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
Keaau, 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
Keaau, 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
Keaau, HI
- Average daylight in January:
11h and 1min - Average daylight in February:
11h and 3min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 1min - Average daylight in June:
13h and 2min
- Average daylight in July:
13h and 1min - Average daylight in August:
12h and 5min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 1min - 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 5min - Average sunshine in February:
8h and 2min - Average sunshine in March:
7h and 3min - Average sunshine in April:
8h and 5min - Average sunshine in May:
10h and 4min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
9h and 0min - Average sunshine in September:
8h and 5min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 3min
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
Keaau, 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
Keaau, 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
Keaau, 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
Keaau, 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).
Keaau, Hawaii, USA
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