Climate and monthly weather forecastKahuku, HI
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Kahuku, Hawaii, with an average temperature fluctuating between 70°F (21.1°C) and 75.4°F (24.1°C). During January, the average high-temperature is a still moderately hot 75.4°F (24.1°C), maintaining a close resemblance to that of the preceding month. Weather in January »Weather in February
February, the last month of the winter in Kahuku, is another warm month, with an average temperature fluctuating between 74.1°F (23.4°C) and 69.1°F (20.6°C). Kahuku records the coldest temperatures in February, averaging a high of 74.1°F (23.4°C) and a low of 69.1°F (20.6°C). Weather in February »Weather in March
The first month of the spring, March, is also a moderately hot month in Kahuku, Hawaii, with an average temperature varying between 74.7°F (23.7°C) and 69.4°F (20.8°C). In March, Kahuku experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 74.7°F (23.7°C), closely mirroring the climate in February. Weather in March »Weather in April
April, like March, in Kahuku, Hawaii, is a moderately hot spring month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 71.4°F (21.9°C). Kahuku, Hawaii, transitions into April recording an average high-temperature of a still warm 76.6°F (24.8°C), closely aligning with the preceding month's temperature. Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Kahuku, Hawaii, with an average temperature ranging between min 72.9°F (22.7°C) and max 77.7°F (25.4°C). The beginning of May reveals an average high-temperature of a still warm 77.7°F (25.4°C), showing minimal deviation from the previous month. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Kahuku, Hawaii, with an average temperature varying between 74.5°F (23.6°C) and 78.8°F (26°C). The transition from May to June sees average high-temperatures adjusting to a still warm 78.8°F (26°C), from a not significantly different 77.7°F (25.4°C). Weather in June »Weather in July
July, like June, in Kahuku, Hawaii, is another warm summer month, with an average temperature ranging between max 80.2°F (26.8°C) and min 75.4°F (24.1°C). July's weather records an average high-temperature of a still warm 80.2°F (26.8°C), showing little deviation from June. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Kahuku, Hawaii, with an average temperature ranging between min 75.9°F (24.4°C) and max 81.1°F (27.3°C). Kahuku's weather in August displays an average high-temperature of a still warm 81.1°F (27.3°C), showing minor disparity from July's 80.2°F (26.8°C). Weather in August »Weather in September
September, the first month of the autumn in Kahuku, is still a warm month, with temperature in the range of an average low of 76.1°F (24.5°C) and an average high of 81.3°F (27.4°C). The temperatures reach their highest averages in September, with highs of 81.3°F (27.4°C) and lows of 76.1°F (24.5°C). The heat index for September is appraised at a hot 86°F (30°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Kahuku, Hawaii, with an average temperature varying between 75.4°F (24.1°C) and 80.8°F (27.1°C). October brings a marginal elevation to a still warm 80.8°F (27.1°C) from September's 81.3°F (27.4°C) in Kahuku's average high-temperatures. Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Kahuku, Hawaii, with temperature in the range of an average high of 78.3°F (25.7°C) and an average low of 73.8°F (23.2°C). Shifting into November, Kahuku records an average high-temperature of a still moderately hot 78.3°F (25.7°C), presenting minor fluctuations compared to the previous month. Weather in November »Weather in December
December, the first month of the winter in Kahuku, is also a moderately hot month, with an average temperature fluctuating between 71.6°F (22°C) and 76.1°F (24.5°C). The arrival of December brings an average high-temperature of a still moderately hot 76.1°F (24.5°C), closely following the temperature pattern of November. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Kahuku, HI
The warmest month (with the highest average high temperature) is September (81.3°F).
The month with the lowest average high temperature is February (74.1°F).
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure
Kahuku, 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:
29.98"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The month with the lowest atmospheric pressure is October (29.97"Hg).
Average wind speed
Kahuku, HI
- Average wind speed in January:
10.2mph - Average wind speed in February:
11.3mph - Average wind speed in March:
12.5mph - Average wind speed in April:
12.4mph - Average wind speed in May:
11.2mph - Average wind speed in June:
13.3mph
- Average wind speed in July:
13.4mph - Average wind speed in August:
12.7mph - Average wind speed in September:
11.2mph - Average wind speed in October:
10.6mph - Average wind speed in November:
12.4mph - Average wind speed in December:
11.2mph
The windiest month (with the highest average wind speed) is July (13.4mph).
The calmest month (with the lowest average wind speed) is January (10.2mph).
Average humidity
Kahuku, HI
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January, April, May, September and November (75%).
Average rainfall
Kahuku, HI
- Average rainfall in January:
1.26" - Average rainfall in February:
1.89" - Average rainfall in March:
2.09" - Average rainfall in April:
1.26" - Average rainfall in May:
1.3" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.94" - Average rainfall in September:
1.22" - Average rainfall in October:
1.69" - Average rainfall in November:
1.34" - Average rainfall in December:
1.69"
The wettest month (with the highest rainfall) is March (2.09").
The driest month (with the least rainfall) is July (0.75").
Average rainfall days
Kahuku, HI
- Average rainfall days in January:
15.6 days - Average rainfall days in February:
16.9 days - Average rainfall days in March:
21 days - Average rainfall days in April:
20.4 days - Average rainfall days in May:
19 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
16.9 days - Average rainfall days in October:
19 days - Average rainfall days in November:
19.2 days - Average rainfall days in December:
18.9 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is January (15.6 days).
Average daylight / Average sunshine
Kahuku, HI
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 12min - Average daylight in June:
13h and 24min
- Average daylight in July:
13h and 18min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 48min
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 48min).
- Average sunshine in January:
8h and 0min - Average sunshine in February:
7h and 36min - Average sunshine in March:
7h and 30min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 36min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
9h and 18min - Average sunshine in August:
8h and 12min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 42min - Average sunshine in November:
6h and 12min - Average sunshine in December:
6h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days
Kahuku, HI
- Average sunshine days in January:
10.1 days - Average sunshine days in February:
6.2 days - Average sunshine days in March:
4.9 days - Average sunshine days in April:
4.9 days - Average sunshine days in May:
7.5 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
9.1 days - Average sunshine days in August:
8.5 days - Average sunshine days in September:
7.4 days - Average sunshine days in October:
5.4 days - Average sunshine days in November:
3.5 days - Average sunshine days in December:
6.1 days
The month with the most sunshine days is January (10.1 days).
The month with the least sunshine days is November (3.5 days).
Average UV index
Kahuku, HI
The months with the highest UV index are July and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, August, October, November and December (UV index 6).
Average cloud cover
Kahuku, HI
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 39).
Average visibility
Kahuku, 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).





