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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 snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another warm winter month in Haiku, Hawaii, with an average temperature fluctuating between 71.1°F (21.7°C) and 73.8°F (23.2°C). Haiku experiences an average high-temperature of a still warm 73.8°F (23.2°C) in January, subtly different from December's 74.5°F (23.6°C). Weather in January »
Weather in February
February, the last month of the winter in Haiku, is also an agreeable month, with temperature in the range of an average low of 70°F (21.1°C) and an average high of 73°F (22.8°C). February's advent notes a subtle adjustment in average high-temperature to a pleasant 73°F (22.8°C) from January. Weather in February »
Weather in March
March, the first month of the spring in Haiku, is also an agreeable month, with an average temperature fluctuating between 69.8°F (21°C) and 72.9°F (22.7°C). Haiku notes the coldest temperatures in March, with a high average of 72.9°F (22.7°C) and a low of 69.8°F (21°C). Weather in March »
Weather in April
April is a moderately hot spring month in Haiku, Hawaii, with an average temperature varying between 70.9°F (21.6°C) and 74.3°F (23.5°C). Haiku marks the start of April with an average high-temperature of a warm 74.3°F (23.5°C), hinting at a slight fluctuation from March's 72.9°F (22.7°C). Weather in April »
Weather in May
May, the last month of the spring in Haiku, is another warm month, with an average temperature ranging between max 75.4°F (24.1°C) and min 72.7°F (22.6°C). The advent of May reveals an average high-temperature of a still warm 75.4°F (24.1°C), showing minimal difference from the prior month. Weather in May »
Weather in June
June, the first month of the summer in Haiku, is also a moderately hot month, with an average temperature varying between 76.8°F (24.9°C) and 74.1°F (23.4°C). Haiku's weather in June displays an average high-temperature of a still moderately hot 76.8°F (24.9°C), showing minor disparity from May's 75.4°F (24.1°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Haiku, Hawaii, with an average temperature varying between 77.5°F (25.3°C) and 75°F (23.9°C). The arrival of July is marked by an average high-temperature of a still warm 77.5°F (25.3°C), bearing a close resemblance to June. Weather in July »
Weather in August
August, the last month of the summer in Haiku, is also a moderately hot month, with an average temperature fluctuating between 78.6°F (25.9°C) and 75.7°F (24.3°C). As Haiku transitions into August, the average high-temperature stands at a still moderately hot 78.6°F (25.9°C), offering little variation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Haiku, is also a moderately hot month, with an average temperature ranging between max 79°F (26.1°C) and min 76.1°F (24.5°C). Haiku's temperature records reveal September as the warmest month, marked by average highs of 79°F (26.1°C) and lows of 76.1°F (24.5°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Haiku, Hawaii, with an average temperature ranging between max 77.9°F (25.5°C) and min 75.6°F (24.2°C). During October, Haiku observes a subtle ascent to a still warm 77.9°F (25.5°C) from September's 79°F (26.1°C) in the average high-temperature. Weather in October »
Weather in November
November, the last month of the autumn in Haiku, is another warm month, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 73.9°F (23.3°C). Haiku's November reports an average high-temperature of a still moderately hot 76.1°F (24.5°C), exhibiting a minor difference from October. Weather in November »
Weather in December
December, the first month of the winter in Haiku, is still a warm month, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 74.5°F (23.6°C). As December takes its course, Haiku's average high-temperature registers at a still moderately hot 74.5°F (23.6°C), closely aligning with the preceding month. Weather in December »
[Resources]Frequently asked questions
What are the least humid months in Haiku?
January and February, with an average relative humidity of 76%, are the least humid months.
How much does it rain in Haiku?
Throughout the year, there are 136.7 rainfall days, and 13.94" (354mm) of precipitation is accumulated.
When it does not snow in Haiku?
In Haiku, snow does not fall in January through August, October through December.
How many days does it snow in Haiku?
Throughout the year, there are 0.1 snowfall days.
What are the months with the lowest UV index in Haiku?
The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6.
What time of the year is the coldest in Haiku?
The coldest month is March, with an average high-temperature of 72.9°F (22.7°C) and an average low-temperature of 69.8°F (21°C).
When are the longest days in Haiku?
The month with the longest days is June, with an average of 13h and 24min of daylight.
What are the months with the most sunshine in Haiku?
The months with the most sunshine are June and July, with an average of 11.3h of sunshine.
What is the most humid month in Haiku?
July and August, with an average relative humidity of 78%, are most humid months in Haiku, Hawaii.
What time of the year is the hottest in Haiku?
Temperature readings in Haiku, Hawaii, reach their annual highs in September, averaging 79°F (26.1°C) and a minimum average of 76.1°F (24.5°C).
What is the driest month in Haiku?
The month with the least rainfall in Haiku is September, when the rain falls for 8.1 days and typically collects 0.43" (11mm) of precipitation.
When does it snow in Haiku?
September is the only month when snow falls.
What is the snowiest month in Haiku?
September has the most snowfall days of the year in Haiku. Snow falls for 0.1 days.
What is the month with the highest UV index in Haiku?
The month with the highest UV index in Haiku is September, with an average maximum UV index of 7.
What is the rainiest month in Haiku?
October is the month with the most rainfall in Haiku. Rain falls for 11.9 days and accumulates 2.17" (55mm) of precipitation.
What is the month with the shortest days in Haiku?
With an average of 10h and 54min of daylight, December has the shortest days of the year in Haiku.
Is there Daylight Saving Time (DST) in Haiku?
Haiku, Hawaii, does not observe Daylight Saving Time (DST). HST timezone is used throughout the entire year.
What is the month with the least sunshine in Haiku?
December has the least sunshine of the year, with an average of 6.7h of sunshine.
Average temperature
Haiku, HI
The warmest month (with the highest average high temperature) is September (79°F).
The month with the lowest average high temperature is March (72.9°F).
The month with the highest average low temperature is September (76.1°F).
The coldest month (with the lowest average low temperature) is March (69.8°F).
Average pressure
Haiku, 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:
29.97"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30"Hg - Average pressure in December:
30"Hg
The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed
Haiku, HI
- Average wind speed in January:
10.9mph - Average wind speed in February:
11.9mph - Average wind speed in March:
12.9mph - Average wind speed in April:
13.5mph - Average wind speed in May:
12.6mph - Average wind speed in June:
14.4mph
- Average wind speed in July:
14.2mph - Average wind speed in August:
14.1mph - Average wind speed in September:
12.6mph - Average wind speed in October:
12.1mph - Average wind speed in November:
13.5mph - Average wind speed in December:
12.4mph
The windiest month (with the highest average wind speed) is June (14.4mph).
The calmest month (with the lowest average wind speed) is January (10.9mph).
Average humidity
Haiku, HI
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January and February (76%).
Average rainfall
Haiku, HI
- Average rainfall in January:
1.06" - Average rainfall in February:
2.13" - Average rainfall in March:
1.42" - Average rainfall in April:
1.42" - Average rainfall in May:
0.94" - Average rainfall in June:
0.51"
- Average rainfall in July:
0.51" - Average rainfall in August:
0.59" - Average rainfall in September:
0.43" - Average rainfall in October:
2.17" - Average rainfall in November:
1.26" - Average rainfall in December:
1.5"
The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days
Haiku, HI
- Average rainfall days in January:
10.6 days - Average rainfall days in February:
11.4 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
8.8 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
10.8 days - Average rainfall days in September:
8.1 days - Average rainfall days in October:
11.9 days - Average rainfall days in November:
12.9 days - Average rainfall days in December:
13.8 days
The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is September (8.1 days).
Average snowfall days
Haiku, HI
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight / Average sunshine
Haiku, HI
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 3min - Average daylight in March:
12h and 0min - 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 2min - Average daylight in August:
12h and 5min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 1min - Average daylight in December:
10h and 5min
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 54min).
- Average sunshine in January:
8h and 2min - Average sunshine in February:
8h and 4min - Average sunshine in March:
8h and 3min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
9h and 1min - Average sunshine in September:
9h and 3min - Average sunshine in October:
7h and 5min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Haiku, HI
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
12 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
14.9 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
12.3 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
13.3 days
The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is November (11.2 days).
Average UV index
Haiku, 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
Haiku, HI
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is September (Cloud cover 23).
Average visibility
Haiku, 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).
Haiku, Hawaii, USA
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