Climate and monthly weather forecastWainaku, HI
Climate and monthly weather forecast
Weather in January
January, like December, is another pleasant winter month in Wainaku, Hawaii, with an average temperature varying between 64.8°F (18.2°C) and 70.9°F (21.6°C). The unfolding of January shows an average high-temperature of a still agreeable 70.9°F (21.6°C), indicating a slight variance from December's 71.6°F (22°C). Weather in January »Weather in February
February, the last month of the winter in Wainaku, is also an agreeable month, with an average temperature ranging between max 70.2°F (21.2°C) and min 64.2°F (17.9°C). The transition from January to February sees an average high-temperature of a still agreeable 70.2°F (21.2°C), indicating a minor variance from the prior month. Weather in February »Weather in March
March, the first month of the spring in Wainaku, is also an agreeable month, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 64°F (17.8°C). Wainaku's March weather, with an average high temperature of 69.6°F (20.9°C) and an average low temperature of 64°F (17.8°C), tends to be the coldest of the year. Weather in March »Weather in April
April, like March, is another pleasant spring month in Wainaku, Hawaii, with an average temperature varying between 64.9°F (18.3°C) and 70.9°F (21.6°C). Wainaku, Hawaii, records an average high-temperature of a still pleasant 70.9°F (21.6°C) in April, closely mirroring the climate of the previous month. Weather in April »Weather in May
The last month of the spring, May, is also an agreeable month in Wainaku, Hawaii, with an average temperature varying between 72.1°F (22.3°C) and 66.2°F (19°C). Wainaku's average high-temperature in May is a still pleasant 72.1°F (22.3°C), marking an insignificant difference from the 70.9°F (21.6°C) of April. Weather in May »Weather in June
June, the first month of the summer in Wainaku, is a warm month, with an average temperature fluctuating between 66.9°F (19.4°C) and 73.6°F (23.1°C). Wainaku marks the start of June with an average high-temperature of a warm 73.6°F (23.1°C), hinting at a slight fluctuation from May's 72.1°F (22.3°C). Weather in June »Weather in July
July, like June, in Wainaku, Hawaii, is a moderately hot summer month, with an average temperature ranging between min 68.4°F (20.2°C) and max 74.7°F (23.7°C). July's commencement is accompanied by an average high-temperature of a still warm 74.7°F (23.7°C), diverging marginally from June's 73.6°F (23.1°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Wainaku, Hawaii, with an average temperature fluctuating between 75.4°F (24.1°C) and 68.9°F (20.5°C). Wainaku's temperature records reveal August as the warmest month, marked by average highs of 75.4°F (24.1°C) and lows of 68.9°F (20.5°C). Weather in August »Weather in September
September, the first month of the autumn in Wainaku, is also a moderately hot month, with an average temperature varying between 75.2°F (24°C) and 70°F (21.1°C). The beginning of September records an average high-temperature of a still warm 75.2°F (24°C), marking a negligible difference from August's 75.4°F (24.1°C). Weather in September »Weather in October
October, like September, in Wainaku, Hawaii, is a moderately hot autumn month, with an average temperature fluctuating between 74.7°F (23.7°C) and 69.6°F (20.9°C). October's average high-temperature stands at a still warm 74.7°F (23.7°C), showing little deviation from September's 75.2°F (24°C). Weather in October »Weather in November
November, the last month of the autumn in Wainaku, is another pleasant month, with an average temperature fluctuating between 72.9°F (22.7°C) and 68°F (20°C). The commencement of November notes an average high-temperature of an agreeable 72.9°F (22.7°C), exhibiting little difference from the previous month. Weather in November »Weather in December
December, the first month of the winter in Wainaku, is also an agreeable month, with an average temperature fluctuating between 66.4°F (19.1°C) and 71.6°F (22°C). At the start of December, Wainaku's average high-temperature reaches a still agreeable 71.6°F (22°C), subtly different from the preceding month. Weather in December »Updated: Aug 17, 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, May through July, with an average relative humidity of 78%, are the least humid months.
In Wainaku, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.
The months with the lowest UV index are January through April, with an average maximum UV index of 5.
February is the month with the most rainfall. Rain falls for 16.7 days and accumulates 3.78" (96mm) of precipitation.
Wainaku's March weather, marked by an average high temperature of 69.6°F (20.9°C) and an average low temperature of 64°F (17.8°C), is the coldest in the year.
The most humid month is March, with an average relative humidity of 80%.
The month with the coldest seawater is March, with an average ocean temperature of 75.7°F (24.3°C).
The months with the highest UV index are May through December, with an average maximum UV index of 6.
The month with the least rainfall in Wainaku is June, when the rain falls for 17.3 days and typically collects 1.1" (28mm) of precipitation.
June has the longest days of the year, with an average of 13h and 18min of daylight.
With an average of 10.9h of sunshine, June has the most sunshine of the year.
August stands out as Wainaku's warmest month, with an average high-temperature of 75.4°F (24.1°C) and a low-temperature of 68.9°F (20.5°C).
With an average ocean temperature of 79.3°F (26.3°C), September is the month with the warmest seawater.
December has the shortest days of the year, with an average of 11h and 0min of daylight.
Wainaku does not observe Daylight Saving Time (DST). HST timezone is used over the entire year.
With an average of 6.5h of sunshine, December has the least sunshine of the year in Wainaku.
Average temperature
Wainaku, 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
Wainaku, 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
Wainaku, 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
Wainaku, 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
Wainaku, 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
Wainaku, 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 sea temperature
Wainaku, HI
The best month for swimming (with the highest average sea temperature) is September (79.3°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight / Average sunshine
Wainaku, 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:
7h and 54min - Average sunshine in February:
8h and 18min - Average sunshine in March:
7h and 30min - Average sunshine in April:
8h and 48min - Average sunshine in May:
10h and 36min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
9h and 0min - Average sunshine in September:
8h and 48min - Average sunshine in October:
7h and 18min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 30min
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
Wainaku, 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
Wainaku, 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
Wainaku, 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
Wainaku, 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).
