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Contents
- The climate of Wailua
- The best time to visit Wailua
- The worst time to visit Wailua
- Spring weather in Wailua
- Summer weather in Wailua
- Autumn weather in Wailua
- Winter weather in Wailua
- 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 sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Wailua
Situated in the tropical archipelago of Hawaii, Wailua boasts an Af Köppen climate classification, primarily characterizing it as a tropical rainforest environment. An examination of the yearly climatic data reveals a relatively stable temperature pattern, showcasing Wailua's consistent weather.
Wailua's average high temperatures fluctuate marginally throughout the year, peaking at 79.7°F (26.5°C) in September while hitting a low at 73.2°F (22.9°C) in February and March. The night temperatures follow a similar trail. The maximum average low temperature records at 75.7°F (24.3°C) in August and the minimum at 68.5°F (20.3°C) in February. This slight contrast in temperatures outlines Wailua's signature tropical climate.
Rainfall patterns in Wailua are fairly consistent, offering steady rainfall every month. The greatest amount registered is in March at 2.52" (64mm) while the lowest accumulation falls to 1.3" (33mm) in April. Wailua experiences a relatively constant number of rainy days annually, with a peak of 21.1 days recorded in August.
Examining the humidity levels, a constant, high relative humidity of 76-77% is maintained all year round, corresponding to the tropical climate. Apparent in the cloud cover records, there is a slightly increased cloud presence in the spring months, with a 47% coverage in March being the highest.
Wailua's average high temperatures fluctuate marginally throughout the year, peaking at 79.7°F (26.5°C) in September while hitting a low at 73.2°F (22.9°C) in February and March. The night temperatures follow a similar trail. The maximum average low temperature records at 75.7°F (24.3°C) in August and the minimum at 68.5°F (20.3°C) in February. This slight contrast in temperatures outlines Wailua's signature tropical climate.
Rainfall patterns in Wailua are fairly consistent, offering steady rainfall every month. The greatest amount registered is in March at 2.52" (64mm) while the lowest accumulation falls to 1.3" (33mm) in April. Wailua experiences a relatively constant number of rainy days annually, with a peak of 21.1 days recorded in August.
Examining the humidity levels, a constant, high relative humidity of 76-77% is maintained all year round, corresponding to the tropical climate. Apparent in the cloud cover records, there is a slightly increased cloud presence in the spring months, with a 47% coverage in March being the highest.
The best time to visit Wailua
The climatic patterns in Wailua indicate the best visitation period is from May to September. During this duration, the region experiences the highest average temperatures, both during the day and at night. There is a reduced rainfall total during these months, particularly in May and September where rainfall totals register at 1.57" (40mm) and 1.54" (39mm), respectively.
Highlighting these five months is abundant sunlight. Sunshine hours peak from May to June, offering 9.3 to 9.7 hours of sunlight each day. Also, sea temperatures are the warmest between July to September, with temperatures ranging from 78.7°F (25.9°C) to 80.2°F (26.8°C), perfect for swimmers and aquatics enthusiasts.
Highlighting these five months is abundant sunlight. Sunshine hours peak from May to June, offering 9.3 to 9.7 hours of sunlight each day. Also, sea temperatures are the warmest between July to September, with temperatures ranging from 78.7°F (25.9°C) to 80.2°F (26.8°C), perfect for swimmers and aquatics enthusiasts.
The worst time to visit Wailua
February and March, on the other hand, present a less favorable period to visit Wailua. During these months, the weather conditions are slightly harsher than the remainings of the year. Average high temperatures drop to as low as 73.2°F (22.9°C) in February and March, while the average lows register a minimum of 68.5°F (20.3°C) in February. Moreover, these months experience the most rainfall, with an accumulation of 2.52" (64mm) in March, in addition to the most pronounced cloud cover.
Spring weather in Wailua
Spring arrives in Wailua with slightly cooler temperatures and dominant rain. From March until May, the average high temperatures range from 73.2°F (22.9°C) to 76.8°F (24.9°C). Concurrently, average low temperatures move from 68.9°F (20.5°C) to 72.1°F (22.3°C). Rainfall totals of 2.52" (64mm) in March, followed by 1.3" (33mm) in April and 1.57" (40mm) in May make spring the wettest season in Wailua.
Summer weather in Wailua
Summer, June through August, marks the pinnacle of Wailua's tropical allure. Average high temperatures climb to 78.3°F (25.7°C) in June and reach up to 79.5°F (26.4°C) in August while average lows range from 73.9°F (23.3°C) to 75.7°F (24.3°C) in the same span. Rainfall averages decrease to about 1.9" (48mm) during these months.
Autumn weather in Wailua
Autumn in Wailua, from September to November, retains much of the hotter summer temperatures. Average high temperatures are between the range of 79.7°F (26.5°C) in September to 77.2°F (25.1°C) in November. At night, the thermometer drops lightly, noting down temperatures from 75.9°F (24.4°C) to 74.1°F (23.4°C). Rainfalls start to ascend during these months, with November marking 2.05" (52mm).
Winter weather in Wailua
Winter in Wailua is not synonymous with cold and frost. The turn of the year witnesses moderate cooling in average high temperatures, noting down numbers from 79.5°F (26.4°C) in December to 75.4°F (24.1°C) in February. Average low temperatures correspond with values from 75.4°F (24.1°C) to 68.5°F (20.3°C). Rainfall increases during the winter months, with February being the most plentiful with 2.2" (56mm) recorded.
Weather in January
Starting the year, January in Wailua, Hawaii, brings moderately warm temperatures combined with pleasant breezes. Noticeably, the gusts can reach up to 13.6mph (21.9km/h), offering refreshing moments for inhabitants and travelers. Weather in January »
Weather in February
In February, Wailua transitions smoothly from previous month's climatic conditions, with minor fluctuations in climate indices. A significant feature of this period is the increase in rainfall to 1.81" (46mm), higher than that of January, giving rise to prolong periods of wetness. Weather in February »
Weather in March
Progressing into March, the weather in Wailua remains comfortable, making it a suitable time for visitors and locals to explore the charming landscapes of Hawaii. However, this month receives the highest rainfall of 2.52" (64mm), indicating a wetter phase compared to February. Weather in March »
Weather in April
April in Wailua, Hawaii, precipitates a gradual shift in weather patterns as we move further into the year. Despite the reduction of rainfall to 1.3" (33mm), wetter compared to the upcoming month of May, the climate remains conducive for a wide range of activities. Weather in April »
Weather in May
May assumes the temperate tapestry of preceding months, with slight variations making Wailua, Hawaii, an ideal retreat. With a tally of 1.57" (40mm), rainfall assumes a familiar pattern, albeit a slight increase from the previous month of April. Weather in May »
Weather in June
June in Wailua brings with it a typical Hawaiian tropical summer, showcasing a warm temperature profile throughout the day. An interesting feature is the sea temperature touching a pleasant 78.4°F (25.8°C), encouraging various water activities. Weather in June »
Weather in July
In July, Wailua continues on its mid-year journey, featuring comfortable climatic elements and a paradisiacal atmosphere. Interestingly, with maximum rainfall days of 20.9 for the year and rainfall measuring 1.77" (45mm), July depicts a noticeably wet period. Weather in July »
Weather in August
August is a month that encapsulates the essence of summer in Wailua, Hawaii, with subtle nuances of weather variables as compared to July. The sea temperature hits the year's peak to reach a high of 80.2°F (26.8°C) during August, offering an exquisite oceanic experience. Weather in August »
Weather in September
September in Wailua brings mild changes compared to preceding months, with weather conditions staying comfortably warm and inviting. However, September experiences a reduction in rainfall to 1.54" (39mm), giving it a drier feel compared to the more humid August. Weather in September »
Weather in October
In October, Wailua’s weather scenario remains consistently tropical with mild fluctuations from the scenario in September. The month ushers in 2.05" (52mm) of rainfall, making it wetter than the previous month and setting in a paradise-like ambience. Weather in October »
Weather in November
Advancing to November, Wailua experiences a slight drop in weather parameters, although the general tropical theme continues. November also records a rainfall of 2.05" (52mm), maintaining the trend from October and contributing to the continuing lush green landscapes. Weather in November »
Weather in December
Bringing in the last month, December in Wailua continues to offer moderate temperatures interspersed with periods of sunshine. However, it's notable that pressure maintains its stability at 30.01" (762mm), indicating a consistently pleasant ambiance. Weather in December »
Updated: Aug 15, 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
What is the least humid month in Wailua?
The least humid month in Wailua, Hawaii, is January, with an average relative humidity of 75%.
How much does it rain?
In Wailua, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.
What are the months with the lowest UV index?
The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6.
What is the coldest time of year?
The months of February and March bring the lowest temperatures, averaging a high of 73.2°F (22.9°C).
What is the rainiest month?
March is the month with the most rainfall. Rain falls for 18.6 days and accumulates 2.52" (64mm) of precipitation.
When is the ocean coldest?
March is the month with the coldest seawater in Wailua, with an average ocean temperature of 74.8°F (23.8°C).
What is the driest month?
April is the month with the least rainfall. Rain falls for 18.3 days and accumulates 1.3" (33mm) of precipitation.
What are the most humid months?
The months with the highest humidity are June through August, October and December, with an average relative humidity of 77%.
When are the longest days?
June has the longest days of the year, with an average of 13h and 30min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 9.7h of sunshine.
What time of the year is the hottest?
With average high temperatures of 79.7°F (26.5°C) and lows of 75.9°F (24.4°C), September is the warmest month.
What month is the ocean warmest?
With an average ocean temperature of 80.2°F (26.8°C), September is the month with the warmest seawater.
When is the highest UV index?
September is the month with the highest UV index, with an average maximum UV index of 7.
What is the month with the least sunshine?
With an average of 6.2h of sunshine, November has the least sunshine of the year.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 10h and 48min of daylight.
Is there Daylight Saving Time (DST)?
Wailua does not observe Daylight Saving Time (DST). HST timezone is used over the entire year.
Average temperature
Wailua, 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
Wailua, 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
Wailua, 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
Wailua, 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
Wailua, 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
Wailua, 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 sea temperature
Wailua, HI
The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (74.8°F).
Average daylight / Average sunshine
Wailua, HI
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 2min - 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 3min
- 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 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January:
8h and 1min - Average sunshine in February:
7h and 4min - Average sunshine in March:
7h and 3min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
8h and 4min - Average sunshine in August:
8h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
8h and 2min - Average sunshine in November:
6h and 1min - Average sunshine in December:
6h and 2min
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
Wailua, 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
Wailua, 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
Wailua, 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
Wailua, 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).
Wailua, Hawaii, USA
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