Climate and monthly weather forecastKawaihae, HI
Climate and monthly weather forecast
The climate of Kawaihae
Kawaihae, situated in Hawaii, USA, functions under the Köppen climate classification as Af - a Tropical rainforest climate. This terrain is characterized by consistently high temperatures and abundant rainfall throughout the year.Analyzing the average monthly data reveals a pattern of steady, moderate-high temperatures ranging from a low of 52°F (11.1°C) in February to a high of 67.5°F (19.7°C) in August. Similarly, the relative humidity hovers around 81% signifying a continuously moist environment all year round.
Rainfall in Kawaihae, quite an integral part of the tropical rainforest climate, fluctuates between 1.57" (40mm) in June as a minimum and peaks to 4.13" (105mm) in August. Despite these variations, the town experiences precipitation on about 24 days each month, suggesting a regular probability of rain.
In terms of sunlight, daylight hours in Kawaihae range from a minimum of 10.9 hours in December to a maximum of 13.3 hours in June. Sunshine hours mirror a similar pattern with a slight lag, extending from 6.5 hours in December to 10 hours in July. UV index measurements remain fairly constant at level 4 and 5, presenting a moderate risk of harm from unprotected sun exposure.
The best time to visit Kawaihae
Considering the mentioned climatic conditions, the best time for tourists to visit Kawaihae would probably be during the summer months, more specifically from May to July. During this period, both day length and sunshine duration are at their maximum, optimizing opportunities for outdoor pursuits. Additionally, it's the time when rainfall drops to its yearly lowest, enhancing the overall travel experience. Temperatures during these months are also at their highest, offering a truly tropical, summer experience.The worst time to visit Kawaihae
While Kawaihae presents an appealing climate year-round, the conditions turn relatively harsh in the late summer to early autumn period, from August through October. These months are characterized by the highest rainfall amounts in the year with August even presenting the peak at 4.13" (105mm). Inevitably, this heavy rainfall leads to more cloud cover, thereby reducing visibility and the number of ideal days for outdoor sightseeing.Spring weather in Kawaihae
Spring in Kawaihae is marked by moderate temperatures with a minor upward trend setting in. March starts off with an average high of 61.9°F (16.6°C) progressively increasing to 64.2°F (17.9°C) in May. Simultaneously, rainfall also follows an increasing trend with 3.46" (88mm) in March gradually rising to 2.32" (59mm) in May.Summer weather in Kawaihae
Summer in Kawaihae is characterized by the warmest conditions of the year, ranging from 65.8°F (18.8°C) in June to a yearly high of 67.5°F (19.7°C) in August. However, the rain-heat combination is at its most balanced in July with temperatures at 66.9°F (19.4°C) and minimum rainfall of 1.57" (40mm), making it ideal for outdoor activities.Autumn weather in Kawaihae
Autumn brings a slight dip in temperatures which peak at 66.4°F (19.1°C) in September and drop to 63.5°F (17.5°C) by November. Paradoxically, this decrease corresponds with an increase in the amount of rainfall, particularly in September and October, when precipitation measures 3.31" (84mm) and 3.82" (97mm) respectively.Winter weather in Kawaihae
Winter stands as the coolest season with temperatures showing a downward trend from 63°F (17.2°C) in December to 52.9°F (11.6°C) in February. Rainfall is at a moderate range of 3.27" (83mm) to 1.69" (43mm). On a brighter note, the number of sunshine days increases dramatically from December to February, offering a well-lit spectacle despite the cold and damp weather.Weather in January
January brings pleasant temperatures ranging from 52.9°F (11.6°C) to 63°F (17.2°C) in Kawaihae, Hawaii. Winters here are soft and balmy, an escape from the harsh cold in other parts of the country. Although showers are a common sight, they rarely hinder outdoor plans. Weather in January »Weather in February
In Kawaihae, the February weather mimics that of January with only a slight decrease in average high temperature to 62.2°F (16.8°C). A slight increase in rainfall with 3.43" (87mm) recorded adds to the winter charm. Surfing enthusiasts might particularly enjoy the sea temperature holding steady around 76.2°F (24.6°C). Weather in February »Weather in March
March ushers in slightly wetter days in Kawaihae, as average rainfall increases to 3.46" (88mm). The temperature maintains its winter charm fluctuating between 52.5°F (11.4°C) to 61.9°F (16.6°C). Springs in Hawaii are a treat to the senses with cherry blossoms starting to bloom under the warm sun. Weather in March »Weather in April
Moving into April, the temperatures in Kawaihae take a gentle hike, from 54.1°F (12.3°C) to 63°F (17.2°C). The beach town sees a reduction in rainfall from 3.46" (88mm) in March to 2.32" (59mm). The daylight hours increase quite noticeably to 12.6 hours, giving adventurers even more time to explore. Weather in April »Weather in May
May bears witness to a slight hike in temperatures in Kawaihae, with a low of 55.9°F (13.3°C) and a high of 64.2°F (17.9°C). It also brings an abundant sunshine of 9.5 hours contributing to longer, bright days. While the sea temperatures climb a notch up to 77.3°F (25.2°C), perfect for a dip in the ocean. Weather in May »Weather in June
With the onset of June, summer breezes mildly into Kawaihae, with temperature ranging from 57°F (13.9°C) to 65.8°F (18.8°C). It also brings some much-wanted summer sun with an average of 9.7 hours of sunshine per day and the longest daylight hours of 13.3 in a year. Weather in June »Weather in July
July sits at the peak of summer with the highest average temperature, from 58.3°F (14.6°C) to 66.9°F (19.4°C), recorded for the year in Kawaihae. A relative humidity of 81% gently balances the warmth. The sea temperature reaches its zenith at 78.5°F (25.8°C), promising enjoyable water activities. Weather in July »Weather in August
August continues to ride the summer wave with temperatures gently peaking from 58.3°F (14.6°C) to 67.5°F (19.7°C) in Kawaihae. A dip in sea temperatures might be noticed, but at 79.4°F (26.3°C) it still allows for pleasurable swimming and diving experiences. Weather in August »Weather in September
September reminisces the summer warmth with temperatures from 59°F (15°C) to 66.4°F (19.1°C) in Kawaihae. A significant hike in rainfall to 3.31" (84mm) does herald the advent of fall. With humidity peaking at 84%, showers render the weather pleasantly muggy. Weather in September »Weather in October
October presents a cooling trend with temperatures from 58.5°F (14.7°C) to 65.5°F (18.6°C), although it is a tad warmer than September in Kawaihae. A further increase in rainfall marks the progression into fall with 3.82" (97mm) of rain recorded. Weather in October »Weather in November
November in Kawaihae brings a noticeable autumn chill as temperatures drop from 56.1°F (13.4°C) to 63.5°F (17.5°C). A decrease in rainfall to 2.48" (63mm) offers drier conditions, paving the way for various outdoor activities. Weather in November »Weather in December
December marks the arrival of winter with temperatures oscillating between 54.3°F (12.4°C) to 63°F (17.2°C) in Kawaihae, Hawaii. While the rainfall inches slightly higher to 3.27" (83mm) compared to November, it falls short of becoming a hindrance in outdoor activities. Weather in December »Updated: Feb 12, 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
In Kawaihae, Hawaii, during the entire year, the rain falls for 280.8 days and collects up to 33.9" (861mm) of precipitation.
January through April, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Kawaihae.
February is the least humid month in Kawaihae, with an average relative humidity of 78%.
Kawaihae's March weather, with an average high temperature of 61.9°F (16.6°C) and an average low temperature of 52.5°F (11.4°C), tends to be the coldest of the year.
The month with the coldest seawater in Kawaihae is March, with an average ocean temperature of 75.7°F (24.3°C).
May through October, with an average maximum UV index of 5, are months with the highest UV index.
June is the month with the least rainfall. Rain falls for 23.8 days and accumulates 1.57" (40mm) of precipitation.
With an average of 13h and 18min of daylight, June has the longest days of the year.
July has the most sunshine of the year in Kawaihae, with an average of 10h of sunshine.
The average temperatures reach their apex in August, averaging 67.5°F (19.7°C) at the high end and 58.3°F (14.6°C) at the low end.
The month with the most rainfall in Kawaihae, Hawaii, is August, when the rain falls for 25.7 days and typically aggregates up to 4.13" (105mm) of precipitation.
The months with the highest humidity are September and October, with an average relative humidity of 84%.
September is the month with the warmest seawater in Kawaihae, with an average ocean temperature of 79.5°F (26.4°C).
With an average of 10h and 54min of daylight, December has the shortest days of the year in Kawaihae, Hawaii.
Kawaihae does not utilize Daylight Saving Time (DST). HST timezone is used over the entire year.
The month with the least sunshine is December, with an average of 6.5h of sunshine.
Average temperature
Kawaihae, HI
The warmest month (with the highest average high temperature) is August (67.5°F).
The month with the lowest average high temperature is March (61.9°F).
The month with the highest average low temperature is September (59°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure
Kawaihae, HI
- Average pressure in January:
30"Hg - Average pressure in February:
30"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.03"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
Kawaihae, HI
- Average wind speed in January:
4.5mph - Average wind speed in February:
5mph - Average wind speed in March:
4.6mph - Average wind speed in April:
4.9mph - Average wind speed in May:
4.5mph - Average wind speed in June:
5.3mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
4.6mph - Average wind speed in October:
4.5mph - Average wind speed in November:
4.9mph - Average wind speed in December:
5mph
The windiest months (with the highest average wind speed) are July and August (5.5mph).
The calmest months (with the lowest average wind speed) are January, May and October (4.5mph).
Average humidity
Kawaihae, HI
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is February (78%).
Average rainfall
Kawaihae, HI
- Average rainfall in January:
1.69" - Average rainfall in February:
3.43" - Average rainfall in March:
3.46" - Average rainfall in April:
2.32" - Average rainfall in May:
2.32" - Average rainfall in June:
1.57"
- Average rainfall in July:
2.09" - Average rainfall in August:
4.13" - Average rainfall in September:
3.31" - Average rainfall in October:
3.82" - Average rainfall in November:
2.48" - Average rainfall in December:
3.27"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is June (1.57").
Average rainfall days
Kawaihae, HI
- Average rainfall days in January:
17.1 days - Average rainfall days in February:
18.1 days - Average rainfall days in March:
24.5 days - Average rainfall days in April:
24.1 days - Average rainfall days in May:
26.5 days - Average rainfall days in June:
23.8 days
- Average rainfall days in July:
24.9 days - Average rainfall days in August:
25.7 days - Average rainfall days in September:
27.3 days - Average rainfall days in October:
25.9 days - Average rainfall days in November:
22.2 days - Average rainfall days in December:
20.7 days
The month with the highest number of rainy days is September (27.3 days).
The month with the least rainy days is January (17.1 days).
Average sea temperature
Kawaihae, HI
The best month for swimming (with the highest average sea temperature) is September (79.6°F).
The coldest month (with the lowest average sea temperature) is March (75.8°F).
Average daylight / Average sunshine
Kawaihae, 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:
10h and 54min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in January:
8h and 18min - Average sunshine in February:
8h and 18min - Average sunshine in March:
7h and 42min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 30min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
8h and 0min - Average sunshine in September:
7h and 42min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Kawaihae, HI
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
7.4 days - Average sunshine days in March:
4.6 days - Average sunshine days in April:
4.1 days - Average sunshine days in May:
3.3 days - Average sunshine days in June:
3.1 days
- Average sunshine days in July:
2.6 days - Average sunshine days in August:
2.3 days - Average sunshine days in September:
0.8 days - Average sunshine days in October:
2.4 days - Average sunshine days in November:
4.7 days - Average sunshine days in December:
7.4 days
The month with the most sunshine days is January (9.7 days).
The month with the least sunshine days is September (0.8 days).
Average UV index
Kawaihae, HI
The months with the highest UV index are May, June, July, August, September and October (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover
Kawaihae, HI
The months with the most cloud cover are April and September (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 29).
Average visibility
Kawaihae, 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).
