Climate and monthly weather forecastKeauhou, HI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Keauhou, Hawaii, is an agreeable winter month, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 69.4°F (20.8°C). The onset of January brings an average high-temperature of a still agreeable 69.4°F (20.8°C), nearly matching the December temperature. Weather in January »Weather in February
The last month of the winter, February, is another pleasant month in Keauhou, Hawaii, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 68.9°F (20.5°C). Temperature readings reach their annual highs in February, averaging 68.9°F (20.5°C) and a minimum average of 64.9°F (18.3°C). Weather in February »Weather in March
The first month of the spring, March, is also an agreeable month in Keauhou, Hawaii, with an average temperature ranging between max 69.3°F (20.7°C) and min 64.8°F (18.2°C). The average high-temperature for March is a still pleasant 69.3°F (20.7°C), closely aligning with the temperature of the preceding month. Weather in March »Weather in April
April, like March, is another pleasant spring month in Keauhou, Hawaii, with an average temperature ranging between max 69.3°F (20.7°C) and min 64.9°F (18.3°C). The average high-temperature in April, at a still agreeable 69.3°F (20.7°C), mirrors March's climate. Weather in April »Weather in May
May, the last month of the spring in Keauhou, is another pleasant month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 66.7°F (19.3°C). With May's advent, Keauhou sees an average high-temperature of a still agreeable 71.1°F (21.7°C), subtly shifted from April's 69.3°F (20.7°C). Weather in May »Weather in June
The first month of the summer, June, is still a pleasant month in Keauhou, Hawaii, with an average temperature varying between 72.1°F (22.3°C) and 68.5°F (20.3°C). Keauhou experiences an average high-temperature of a still agreeable 72.1°F (22.3°C) with the onset of June, subtly varied from May's 71.1°F (21.7°C). Weather in June »Weather in July
July, like June, is another pleasant summer month in Keauhou, Hawaii, with an average temperature ranging between min 69.1°F (20.6°C) and max 73°F (22.8°C). In July, Keauhou experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 72.1°F (22.3°C) in June to a still pleasant 73°F (22.8°C). Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Keauhou, Hawaii, with an average temperature fluctuating between 73.2°F (22.9°C) and 69.1°F (20.6°C). Temperatures reach their maximum during August and October, recording an average high-temperature of 73.2°F (22.9°C). Weather in August »Weather in September
September, the first month of the autumn in Keauhou, is also an agreeable month, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 69.8°F (21°C). Keauhou's shift from August to September is accompanied by an average high-temperature of a still agreeable 73°F (22.8°C), a slight deviation from 73.2°F (22.9°C). Weather in September »Weather in October
October, the same as September, in Keauhou, Hawaii, is an agreeable autumn month, with an average temperature ranging between min 70°F (21.1°C) and max 73.2°F (22.9°C). The highest point of temperatures falls in August and October, when the average high-temperature ascends to 73.2°F (22.9°C). Weather in October »Weather in November
November, the last month of the autumn in Keauhou, is also an agreeable month, with an average temperature fluctuating between 71.8°F (22.1°C) and 68.5°F (20.3°C). Keauhou marks the arrival of November with an average high-temperature of a still pleasant 71.8°F (22.1°C), hardly different from October's 73.2°F (22.9°C). Weather in November »Weather in December
December, the first month of the winter in Keauhou, is also an agreeable month, with an average temperature fluctuating between 66.6°F (19.2°C) and 70.5°F (21.4°C). Keauhou experiences a recorded average high-temperature of a still pleasant 70.5°F (21.4°C) in December, closely aligned with November's 71.8°F (22.1°C). Weather in December »Updated: Aug 5, 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
The month with the least rainfall is January, when the rain falls for 10.8 days and typically collects 0.75" (19mm) of precipitation.
In Keauhou, during the entire year, the rain falls for 216.1 days and collects up to 16.57" (421mm) of precipitation.
The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 5.
Temperature records mark February as the coldest month, with highs averaging 68.9°F (20.5°C) and lows at 64.9°F (18.3°C).
With an average relative humidity of 73%, February is the least humid month.
March is the month with the coldest seawater, with an average ocean temperature of 75.9°F (24.4°C).
The month with the most sunshine is May, with an average of 10.7h of sunshine.
May through October, with an average maximum UV index of 6, are months with the highest UV index.
June through September, with an average relative humidity of 81%, are most humid months.
The month with the longest days is June, with an average of 13h and 18min of daylight.
Keauhou sees the average highest temperatures during the months of August and October, peaking at 73.2°F (22.9°C).
The month with the most rainfall is September, when the rain falls for 21.5 days and typically aggregates up to 1.81" (46mm) of precipitation.
September is the month with the warmest seawater, with an average ocean temperature of 80.1°F (26.7°C).
November and December, with an average of 7.3h of sunshine, are months with the least sunshine.
With an average of 11h and 0min of daylight, December has the shortest days of the year.
Keauhou does not observe Daylight Saving Time (DST). HST timezone is used over the entire year.
Average temperature
Keauhou, HI
The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).
The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).
Average pressure
Keauhou, HI
- Average pressure in January:
29.99"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
30.01"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
29.98"Hg - Average pressure in December:
29.98"Hg
The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed
Keauhou, HI
- Average wind speed in January:
5.5mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6.1mph - Average wind speed in May:
6.3mph - Average wind speed in June:
6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.2mph - Average wind speed in October:
6mph - Average wind speed in November:
5.7mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).
Average humidity
Keauhou, HI
The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).
Average rainfall
Keauhou, HI
- Average rainfall in January:
0.75" - Average rainfall in February:
1.38" - Average rainfall in March:
1.57" - Average rainfall in April:
1.42" - Average rainfall in May:
1.42" - Average rainfall in June:
0.94"
- Average rainfall in July:
1.38" - Average rainfall in August:
1.73" - Average rainfall in September:
1.81" - Average rainfall in October:
1.54" - Average rainfall in November:
1.34" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Keauhou, HI
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
12.1 days - Average rainfall days in March:
16.2 days - Average rainfall days in April:
19.3 days - Average rainfall days in May:
21.1 days - Average rainfall days in June:
19.9 days
- Average rainfall days in July:
21.2 days - Average rainfall days in August:
21.8 days - Average rainfall days in September:
21.5 days - Average rainfall days in October:
20.4 days - Average rainfall days in November:
16.2 days - Average rainfall days in December:
15.6 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).
Average sea temperature
Keauhou, HI
The best month for swimming (with the highest average sea temperature) is September (80°F).
The coldest month (with the lowest average sea temperature) is March (76°F).
Average daylight / Average sunshine
Keauhou, 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:
9h and 0min - Average sunshine in February:
9h and 30min - Average sunshine in March:
9h and 6min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 42min - Average sunshine in June:
10h and 24min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
8h and 42min - Average sunshine in September:
8h and 42min - Average sunshine in October:
7h and 48min - Average sunshine in November:
7h and 18min - Average sunshine in December:
7h and 18min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).
Average sunshine days
Keauhou, HI
- Average sunshine days in January:
12.7 days - Average sunshine days in February:
10 days - Average sunshine days in March:
7.3 days - Average sunshine days in April:
3.5 days - Average sunshine days in May:
3.2 days - Average sunshine days in June:
4.3 days
- Average sunshine days in July:
4.5 days - Average sunshine days in August:
4 days - Average sunshine days in September:
3.5 days - Average sunshine days in October:
3.7 days - Average sunshine days in November:
6.3 days - Average sunshine days in December:
8.3 days
The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).
Average UV index
Keauhou, HI
The months with the highest UV index are May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 5).
Average cloud cover
Keauhou, HI
The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility
Keauhou, 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).
