Climate and monthly weather forecastHana, HI
Climate and monthly weather forecast
The climate of Hana
Hana, Hawaii, falls under the Köppen climate classification of Af, signifying equatorial rainforest climate. This coastal town is nestled on the eastern shore of the Hawaiian island of Maui, subject to a climate characterized by high humidity levels, consistent temperatures, and considerable rainfall spread across the year. Throughout the twelve months, temperatures maintain a semblance of uniformity, with highs ranging from 73°F (22.8°C) to 79°F (26.1°C), and lows varying from 70°F (21.1°C) to 76.1°F (24.5°C).Relative humidity, another essential factor in Hana's weather profile, ranges from 76% to 78%, mostly due to the area's constant interaction with seawaters. Rainfall is abundant in this tropical paradise, amassing between 0.43" (11mm) to 2.17" (55mm) each month. The heaviest precipitation occurs in February and October, while the lowest is observed in September. While snowfall is virtually non-existent in Hana, what stands out is the increased daylight hours from April to August, ranging from 12.6 hours to 13.4 hours.
Seawater temperature throughout the year stays between 75.5°F (24.2°C) to 79.3°F (26.3°C)— another indication of a stable climate. Average cloud coverage hovers between 23% to 33%, with wind speeds varying from 10.9mph (17.5km/h) to 14.4mph (23.2km/h). The maximum gust wind speeds are in the vicinity of 15.2mph (24.5km/h) to 19.6mph (31.5km/h).
The best time to visit Hana
Optimum conditions to visit Hana are predominantly during the months of May to August. These months offer an exciting amalgamation of warm sunny days with sea temperatures ranging from 76.9°F (24.9°C) to 79.1°F (26.2°C), perfect for water activities. The temperature highs stay around a comfortable 74.3°F (23.5°C) to 77.5°F (25.3°C), coupled with increased daylight hours, clocking from 12.6 hours to 13.4 hours. The town also experiences an increase in sunshine hours, 10.8 hours to 11.3 hours, making it the ideal time for outdoorsy activities and sightseeing.The worst time to visit Hana
Travelers should note that February and October could present less hospitable circumstances, due to the highest amount of rainfall observed during these months, 2.13" (54mm) and 2.17" (55mm) respectively. While temperatures are steady from 70°F (21.1°C) to 74.5°F (23.6°C), the gloomy weather due to increased precipitation and cloud coverage can restrict outdoor activities and dampen the travel experience.Spring weather in Hana
Spring in Hana, from March to May, is marked by a steady rise in temperatures from 72.9°F (22.7°C) to 74.3°F (23.5°C) and seawater warming up from 75.5°F (24.2°C) to 76.9°F (24.9°C). Rainfall decreases, peaking at 1.42" (36mm) in April, dropping to 0.94" (24mm) in May. Coupled with the increasing daylight hours from 12 hours to 13.1 hours, Hana's spring promises sun-drenched bliss and warm beach visits.Summer weather in Hana
Hana enjoys a temperate summer, June through August, with temperatures ranging from 76.8°F (24.9°C) to 78.6°F (25.9°C) and sea temperature climbing to a warm 77.7°F (25.4°C) to 79.1°F (26.2°C). Rainfall is minimal, between 0.51" (13mm) to 0.59" (15mm), while daylight hours increase to an average of 13.2 hours to 13.4 hours. Sunshine hours are highest during these months, reaching up to 11.3 hours, making summer a delightful time to vacation in Hana.Autumn weather in Hana
Easing into Autumn, September to November experiences consistent temperatures from 77.9°F (25.5°C) to 76.1°F (24.5°C), while seawater temperatures range from 79.3°F (26.3°C) to 78°F (25.6°C). Although rainfall spikes up to 2.17" (55mm) in October, it decreases drastically to 1.26" (32mm) the following month.Winter weather in Hana
Winter in Hana, from December to February, retains its tropical warmth, with temperatures between 74.5°F (23.6°C) to 73°F (22.8°C) and sea temperatures from 76.7°F (24.8°C) to 75.8°F (24.3°C). However, winter months have the highest recorded rainfall, reaching 2.13" (54mm) in February, accompanied by the lowest sunshine hours from 6.7 hours to 6.9 hours. Despite this, the island's charm remains undiminished, offering a distinct winter experience.Weather in January
Hana, Hawaii blesses all with a mild kickstart in January. This calm month sits comfortably in temperature, before the slight increase that February brings. The sea maintains its lukewarm allure, inviting visitors and locals alike for a plunge. Weather in January »Weather in February
Transitioning into February, the City of Hana enjoys relatively stable weather conditions. Notable adjustments from January can be observed in a slight rise in humidity levels and marginally longer daylight hours. February also ushers in marginally higher rainfall in comparison to the preceding month. Weather in February »Weather in March
The arrival of March signals a subtle transition in the weather pattern in Hana, Hawaii. A gentle increase in temperature and daylight hours suggests the gradual nudge towards warmer months. The ambient pressure also vaguely inclines, reinforcing the shift that the months ahead hold in store. Weather in March »Weather in April
April marks another month of mild shifts in Hana’s weather profile. Lengthier daylight hours take the spotlight, in tandem with rising sea temperatures. A session of beach lounging would certainly seem inviting under these conditions. Weather in April »Weather in May
May brings noticeable transformations to Hana's climatic temperament. Moisture levels in the air still tread the 77% margin, an attribute that stays consistent throughout the year. Sea temperatures continue on their upward journey, while daylight stretches further, paving the path for extended outdoor excursions. Weather in May »Weather in June
June in Hana, Hawaii, ushers in a weather pattern with fine subtleties. The days grow longer, and the sun graces the Hawaiian landscapes for a fraction more each day. A mild shift in the wind's profile also emerges in June, marking another progression towards the climatic peak. Weather in June »Weather in July
As the sunlit days of July roll in, Hana's weather oscillations become less dramatic. A very gentle rise in temperature and sea warmth provides an almost static weather backdrop. The wind speed, however, presents a slight variance, dropping marginally from June's peak. Weather in July »Weather in August
In August, the weather in Hana, Hawaii, elegantly plateaus, creating an immersive tropical spectacle. This month sees further escalation in sea temperatures and extracted daylight. A drop in rainfall and cloud cover offers a brilliant display of sunlight, unrivaled in the preceding months. Weather in August »Weather in September
September in Hana signifies the culmination of the temperate escalation. This month keeps up with the consistent rise in sea temperature and concurrent drop in rainfall. Moving away from the uniform humidity of the preceding months, September marks a slide down to 77%. Weather in September »Weather in October
October introduces a hint of transition as the year progresses towards the end. Items such as rainfall and humidity steer away from their previous patterns and begin a detour. The daylight hours drop subtly, indicating the onset of shorter days. Weather in October »Weather in November
As November takes center stage, Hana witnesses a shift in weather norms. The decline in temperature and daylight hours become palpably pronounced, hinting at the approaching winter. The wind speed retains its downward trajectory from October, adding a cool touch to the broad spectrum of climatic elements. Weather in November »Weather in December
Rounding off the year, December in Hana, Hawaii, is a symphony of cool tones. The dramatic decrease in sunshine hours and an increase in rainfall signify the winter's arrival. The sea temperature starts a gradual decline, yet remains invitingly warm for water enthusiasts. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Hana, 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
Hana, 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
Hana, 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
Hana, 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
Hana, 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
Hana, 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
Hana, 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 sea temperature
Hana, HI
The best month for swimming (with the highest average sea temperature) is September (79.3°F).
The coldest month (with the lowest average sea temperature) is March (75.5°F).
Average daylight / Average sunshine
Hana, 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 36min - Average daylight in May:
13h and 6min - Average daylight in June:
13h and 24min
- 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 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in January:
8h and 24min - Average sunshine in February:
8h and 42min - Average sunshine in March:
8h and 30min - Average sunshine in April:
9h and 0min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 18min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
9h and 12min - Average sunshine in September:
9h and 30min - Average sunshine in October:
7h and 54min - Average sunshine in November:
6h and 54min - Average sunshine in December:
6h and 42min
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
Hana, 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
Hana, 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
Hana, 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
Hana, 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).





