Climate and monthly weather forecastLanai City, HI
Climate and monthly weather forecast
The climate of Lanai City
The geographical location of Lanai City places it within the As zone of the Köppen climate classification. As a tropical area, its prevailing weather pattern falls under the savanna climate—meaning it typically experiences a dry summer season. Monthly temperatures in Lanai City remain fairly uniform throughout the year, with the lowest average low temperature being 71.6°F (22°C) and the highest average low temperature reaching 77.5°F (25.3°C). The highest average temperature falls between 80.2°F (26.8°C) and 81°F (27.2°C), with the maximum temperature recorded being 81°F (27.2°C).Rainfall is most pronounced from January to April, reaching a high of 1.26" (32mm) in March. Meanwhile, rainfall levels drop to their lowest in July at just 0.16" (4mm). The number of rainy days follows this pattern, peaking at 12.7 days in March before dropping to 4.7 days in July. Notably, little to no snowfall is observed all year round, as is typical for tropical climates.
Humidity values remain consistent throughout the year, hovering around the 74% mark. This contributes to the tropical feel of the climate and affects the way temperatures are perceived. In terms of sunshine, Lanai City enjoys an average of 8.9 to 11.6 hours of sunshine each day, with the durations peaking between June and August. Despite the high rainfall observed during the first half of the year, Lanai City still experiences periods of clear skies and sunshine.
The best time to visit Lanai City
Considering the combination of temperature, rainfall and sunshine, the optimum time to visit Lanai City would be during the warmer, drier summer months from June to September. During this period, average temperatures range from 79°F (26.1°C) to 81°F (27.2°C), ensuring pleasantly warm conditions which are ideal for outdoor activities. Rainfall is lower during these months, minimizing disruptions to vacation plans, and the number of sunshine hours is at its peak.The worst time to visit Lanai City
By contrast, the least favourable time to travel to Lanai City would be the rainfall peak period from February to March. Despite the temperature remaining relatively stable, the increased precipitation and more frequent rainy days may limit the amount of outdoor activities, which are abundant in this beautiful Hawaiian location.Spring weather in Lanai City
In the spring, the weather in Lanai City becomes increasingly warm, with temperatures rising from an average of 75.2°F (24°C) in March to 77.7°F (25.4°C) in May. However, this season also brings more rainfall than winter, with an average of 1.26" (32mm) in March, dropping to 0.51" (13mm) in May. While rainfall decreases as spring progresses, the number of rainy days also declines.Summer weather in Lanai City
Summer in Lanai City offers ideal conditions for visitors and residents alike. Average temperatures increase slightly from the spring, peaking at 81°F (27.2°C) in September. The amount of rainfall is significantly less, with a monthly average between 0.16 to 0.43" (11mm). This drier weather, combined with an average of 11.6 hours of sunshine per day, makes summer the perfect time for spending time outdoors.Autumn weather in Lanai City
Autumn sees similar conditions to summer in Lanai City, though it brings slight increases in rainfall and cooler temperatures. Precipitation ranges from 0.43" (11mm) in September to 0.59" (15mm) in November, with a corresponding increase in the number of rainy days. However, temperatures remain comfortably warm, ranging from 80.4°F (26.9°C) in September to 79.2°F (26.2°C) in November.Winter weather in Lanai City
Winter provides slightly cooler conditions in Lanai City, as temperatures decrease to a range between 77°F (25°C) and 75.7°F (24.3°C) over the December to February period. It's worth noting winter counts as the wettest period of the year, with rainfall of 1.1" (28mm) seen in both December and February. Despite being the cooler part of the year, winter temperature conditions remain mild to warm.Weather in January
January in Lanai City, Hawaii greets you with pleasant weather, hovering within a comfortable temperature range from 72.5°F (22.5°C) to 75.7°F (24.3°C), coupled with a moderate humidity of 73%. Despite a cooler climate than its neighboring months, January delivers a welcoming atmosphere. Weather in January »Weather in February
February weather in Lanai City features similar conditions to January, albeit with slightly higher rainfall of 1.1" (28mm). The temperature keeps a steady course, maintaining the refreshing coolness of the start of the year. However, despite an increased number of rainy days, February sees plenty of sunshine, making city walks and beach visits still viable options. Weather in February »Weather in March
Bracing for a transition toward a warmer period, March in Lanai City presents weather patterns relatively close to February. Witness the highest rainfall in the year of 1.26" (32mm). Besides, pleasant temperatures persist, ensuring the city's charm stays unbroken as changing seasons unfold. Weather in March »Weather in April
April beckons a warmer season in Lanai City, while also inviting less rainfall as precipitation dips down to 0.75" (19mm). Notice the city weather transitioning smoother with the onset of spring. The declination of rain provides better opportunities for city exploration and beachside fun. Weather in April »Weather in May
Lanai City in May showcases weather conditions that align with the typical tropical climate narrative of Hawaii. Experience lesser rainfall, dropping to 0.51" (13mm) when compared to April and warmer temperatures start building up. Weather in May »Weather in June
June marks the doorway to summer in Lanai City, with the hottest weather conditions beginning to set in. Rainfall declines further, falling to 0.31" (8mm), converging towards the driest season. Additionally, the winds continue their rhythmic dance, adding to the city's overall pleasant weather. Weather in June »Weather in July
July holds the medal for the least rainfall, with precipitation plummeting to 0.16" (4mm), and the highest temperatures in Lanai City. Summer embarks on its peak phase, painting warm and sunny landscapes across the city. This period emboldens beach activities, with residents and tourists flocking to the coastlines to take full advantage of excellent sea conditions. Weather in July »Weather in August
August prolongs the summer saga in Lanai City. The rainfall increases mildly to 0.24" (6mm), while temperatures remain steady, supporting the ongoing illustrious summer. Although indoor activities might be tempting, the sea continues to call, presenting opportunities for snorkeling or deep-sea fishing. Weather in August »Weather in September
As September rolls into Lanai City, rainfall patterns amplify, indicating signs of the upcoming wetter season. The rising precipitation to 0.43" (11mm) does not dampen the city's thermal profile substantially, managing to conserve the summer warmth. Weather in September »Weather in October
October brings an increased level of rainfall to Lanai City, standing at 0.59" (15mm). However, it provides a break from the preceding warm months without drastic reductions in the temperature scale. Despite growing cloudiness, October successfully maintains reasonable levels of sunshine, promoting park visits, and outdoor sports. Weather in October »Weather in November
Lanai City in November signals the onset of cooler temperatures, doubling down on the rainfall as well. The city experiences a dip in thermal metrics, paving the way for the forthcoming late-year chill. Despite more frequent rainfall, sunshine hours endure, permitting continued exploration of city attractions. Weather in November »Weather in December
Finally, December welcomes Lanai City with the coolest weather of the year accompanied by increased precipitation of 1.1" (28mm). The city's typically warm ambiance succumbs to a breezy chill, avoiding sharp drops in temperature. Weather in December »Updated: Jul 7, 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
January and November, with an average relative humidity of 73%, are the least humid months.
In Lanai City, during the entire year, the rain falls for 98.9 days and collects up to 7.64" (194mm) of precipitation.
In Lanai City, snow does not fall in January through August, October through December.
Throughout the year, there are 0.1 snowfall days.
The months with the coldest seawater are January through April, with an average ocean temperature of 75.2°F (24°C).
January through April, November and December, with an average maximum UV index of 6, are months with the lowest UV index.
With average temperatures fluctuating between a high of 74.8°F (23.8°C) and a low of 71.8°F (22.1°C), February stands out as the coldest month.
March is the month with the most rainfall. Rain falls for 12.7 days and accumulates 1.26" (32mm) of precipitation.
May through October, with an average maximum UV index of 7, are months with the highest UV index.
The month with the longest days is June, with an average of 13h and 24min of daylight.
The month with the most sunshine is June, with an average of 11.6h of sunshine.
July is the most humid month in Lanai City, with an average relative humidity of 75%.
The month with the least rainfall is July, when the rain falls for 4.7 days and typically collects 0.16" (4mm) of precipitation.
Lanai City notes the warmest temperatures in September, with a average high of 81°F (27.2°C) and a low of 77.4°F (25.2°C).
The only month with snowfall is September.
September has the most snowfall days of the year. Snow falls for 0.1 days.
September and October, with an average ocean temperature of 80.6°F (27°C), are months with the warmest seawater.
With an average of 10h and 54min of daylight, December has the shortest days of the year.
Lanai City does not utilize Daylight Saving Time (DST). HST timezone is used throughout the entire year.
December has the least sunshine of the year, with an average of 7.1h of sunshine.
Average temperature
Lanai City, HI
The warmest month (with the highest average high temperature) is September (81°F).
The month with the lowest average high temperature is February (74.8°F).
The months with the highest average low temperature are August and October (77.5°F).
The coldest month (with the lowest average low temperature) is March (71.6°F).
Average pressure
Lanai City, HI
- Average pressure in January:
30"Hg - Average pressure in February:
30.01"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:
29.96"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 month with the lowest atmospheric pressure is October (29.96"Hg).
Average wind speed
Lanai City, HI
- Average wind speed in January:
9.1mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.9mph - Average wind speed in April:
10.3mph - Average wind speed in May:
9.3mph - Average wind speed in June:
10.4mph
- Average wind speed in July:
10.4mph - Average wind speed in August:
10.3mph - Average wind speed in September:
9.7mph - Average wind speed in October:
9mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10mph
The windiest months (with the highest average wind speed) are March and November (10.9mph).
The calmest month (with the lowest average wind speed) is October (9mph).
Average humidity
Lanai City, HI
The month with the highest relative humidity is July (75%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall
Lanai City, HI
- Average rainfall in January:
0.75" - Average rainfall in February:
1.1" - Average rainfall in March:
1.26" - Average rainfall in April:
0.75" - Average rainfall in May:
0.51" - Average rainfall in June:
0.31"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.24" - Average rainfall in September:
0.43" - Average rainfall in October:
0.59" - Average rainfall in November:
0.43" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is March (1.26").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days
Lanai City, HI
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
8.7 days - Average rainfall days in May:
8.4 days - Average rainfall days in June:
5.5 days
- Average rainfall days in July:
4.7 days - Average rainfall days in August:
5.2 days - Average rainfall days in September:
7.1 days - Average rainfall days in October:
8.8 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is July (4.7 days).
Average snowfall days
Lanai City, 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
Lanai City, HI
The best months for swimming (with the highest average sea temperature) are September and October (81°F).
The coldest months (with the lowest average sea temperature) are January, February, March and April (75°F).
Average daylight / Average sunshine
Lanai City, 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 18min - Average daylight in August:
12h and 48min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 6min - 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:
9h and 0min - Average sunshine in February:
8h and 54min - Average sunshine in March:
8h and 54min - Average sunshine in April:
9h and 18min - Average sunshine in May:
11h and 24min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 48min - Average sunshine in October:
8h and 36min - Average sunshine in November:
7h and 18min - Average sunshine in December:
7h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days
Lanai City, HI
- Average sunshine days in January:
17.4 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
17.2 days - Average sunshine days in May:
19.8 days - Average sunshine days in June:
22.2 days
- Average sunshine days in July:
25.6 days - Average sunshine days in August:
24.9 days - Average sunshine days in September:
21.5 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
17.8 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is July (25.6 days).
The month with the least sunshine days is February (12.7 days).
Average UV index
Lanai City, HI
The months with the highest UV index are May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, November and December (UV index 6).
Average cloud cover
Lanai City, HI
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility
Lanai City, 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).
