Climate and monthly weather forecastKalaheo, HI
Climate and monthly weather forecast
Weather in January
January, like December, in Kalaheo, Hawaii, is a moderately hot winter month, with an average temperature fluctuating between 74.7°F (23.7°C) and 69.6°F (20.9°C). Kalaheo's average high-temperature marks a still warm 74.7°F (23.7°C) with the advent of January, closely mirroring that of the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also an agreeable month in Kalaheo, Hawaii, with an average temperature varying between 68.5°F (20.3°C) and 73.2°F (22.9°C). The months of February and March are noted for their lowest temperatures, with an average high-temperature of 73.2°F (22.9°C). Weather in February »Weather in March
The first month of the spring, March, is also an agreeable month in Kalaheo, Hawaii, with an average temperature fluctuating between 68.9°F (20.5°C) and 73.2°F (22.9°C). February and March are known as Kalaheo's coldest months, with an average high-temperature of 73.2°F (22.9°C). Weather in March »Weather in April
April in Kalaheo, Hawaii, is a warm spring month, with an average temperature varying between 74.8°F (23.8°C) and 70.9°F (21.6°C). With the advent of April, Kalaheo's high-temperatures adjust to a warm 74.8°F (23.8°C), closely aligning with the preceding month. Weather in April »Weather in May
May, the last month of the spring in Kalaheo, is also a moderately hot month, with temperature in the range of an average low of 72.1°F (22.3°C) and an average high of 76.8°F (24.9°C). As April transitions into May, Kalaheo records an average high-temperature of a still moderately hot 76.8°F (24.9°C), showing a gentle shift from the preceding month. Weather in May »Weather in June
June, the first month of the summer in Kalaheo, is still a warm month, with temperature in the range of an average low of 73.9°F (23.3°C) and an average high of 78.3°F (25.7°C). With June's arrival, Kalaheo's weather records an average high-temperature of a still warm 78.3°F (25.7°C), marking little difference from May's 76.8°F (24.9°C). Weather in June »Weather in July
July, like June, in Kalaheo, Hawaii, is a moderately hot summer month, with an average temperature ranging between max 79°F (26.1°C) and min 75°F (23.9°C). July's beginning signals an average high-temperature of a still moderately hot 79°F (26.1°C), barely different from June's 78.3°F (25.7°C). Weather in July »Weather in August
August, the last month of the summer in Kalaheo, is another warm month, with temperature in the range of an average low of 75.7°F (24.3°C) and an average high of 79.5°F (26.4°C). August's presence records an average high-temperature of a still warm 79.5°F (26.4°C), closely mirroring July's climate. Weather in August »Weather in September
September, the first month of the autumn in Kalaheo, is still a warm month, with an average temperature varying between 75.9°F (24.4°C) and 79.7°F (26.5°C). In Kalaheo, temperatures reach their average annual highs in September, measuring 79.7°F (26.5°C) and a minimum average of 75.9°F (24.4°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Kalaheo, Hawaii, with an average temperature ranging between min 75.4°F (24.1°C) and max 79.5°F (26.4°C). The initiation of October records an average high-temperature of a still moderately hot 79.5°F (26.4°C), displaying a near consistency with the previous month. Weather in October »Weather in November
November, the last month of the autumn in Kalaheo, is also a moderately hot month, with temperature in the range of an average low of 74.1°F (23.4°C) and an average high of 77.2°F (25.1°C). Kalaheo experiences a transition to a still warm 77.2°F (25.1°C) in average high-temperatures with the arrival of November, not greatly differing from October's 79.5°F (26.4°C). Weather in November »Weather in December
December, the first month of the winter in Kalaheo, is still a warm month, with an average temperature fluctuating between 71.8°F (22.1°C) and 75.4°F (24.1°C). Kalaheo's average high-temperature marks a still warm 75.4°F (24.1°C) with the advent of December, closely mirroring that of the preceding month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Kalaheo, HI
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure
Kalaheo, HI
- Average pressure in January:
30.01"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.05"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.01"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed
Kalaheo, HI
- Average wind speed in January:
10mph - Average wind speed in February:
11.1mph - Average wind speed in March:
12mph - Average wind speed in April:
11.5mph - Average wind speed in May:
10.5mph - Average wind speed in June:
12.1mph
- Average wind speed in July:
12.3mph - Average wind speed in August:
12.1mph - Average wind speed in September:
11.1mph - Average wind speed in October:
10.5mph - Average wind speed in November:
12.1mph - Average wind speed in December:
11.2mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity
Kalaheo, HI
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall
Kalaheo, HI
- Average rainfall in January:
1.57" - Average rainfall in February:
1.81" - Average rainfall in March:
2.52" - Average rainfall in April:
1.3" - Average rainfall in May:
1.57" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.77" - Average rainfall in August:
1.89" - Average rainfall in September:
1.54" - Average rainfall in October:
2.05" - Average rainfall in November:
2.05" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days
Kalaheo, HI
- Average rainfall days in January:
12.5 days - Average rainfall days in February:
15 days - Average rainfall days in March:
18.6 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
20.9 days - Average rainfall days in August:
21.1 days - Average rainfall days in September:
18.7 days - Average rainfall days in October:
18.7 days - Average rainfall days in November:
19.2 days - Average rainfall days in December:
18.1 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average daylight / Average sunshine
Kalaheo, HI
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 24min - 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 30min
- 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 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January:
8h and 6min - Average sunshine in February:
7h and 42min - Average sunshine in March:
7h and 30min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
8h and 36min - Average sunshine in August:
8h and 24min - Average sunshine in September:
8h and 42min - Average sunshine in October:
8h and 24min - Average sunshine in November:
6h and 12min - Average sunshine in December:
6h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days
Kalaheo, HI
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
5.7 days - Average sunshine days in May:
6.7 days - Average sunshine days in June:
5 days
- Average sunshine days in July:
3.9 days - Average sunshine days in August:
2.9 days - Average sunshine days in September:
5.3 days - Average sunshine days in October:
6.3 days - Average sunshine days in November:
4.7 days - Average sunshine days in December:
6.7 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index
Kalaheo, HI
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover
Kalaheo, 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 38).
Average visibility
Kalaheo, 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).





