Climate Insights for Aina Haina

Honolulu County, Hawaii, United States

Hottest
September
27°C peak
Coldest
February
22°C low
Wettest
February
65mm rain
Best to Visit
January, February, March
Mild temps & low rain

Climate Overview

The climate in Aina Haina is warm and mild. The average annual temperature is 24°C and approximately 485mm of precipitation falls per year. February is the wettest month, receiving around 65mm of rainfall. Aina Haina is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, March, January, when temperatures can drop to 22°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 24° Average: 23° Min: 22° Feb Max: 23° Average: 22° Min: 22° Mar Max: 24° Average: 23° Min: 22° Apr Max: 25° Average: 24° Min: 23° May Max: 25° Average: 24° Min: 23° Jun Max: 26° Average: 25° Min: 24° Jul Max: 26° Average: 26° Min: 25° Aug Max: 27° Average: 26° Min: 25° Sep Max: 27° Average: 26° Min: 25° Oct Max: 27° Average: 26° Min: 25° Nov Max: 26° Average: 25° Min: 24° Dec Max: 25° Average: 24° Min: 23°
Max
Average
Min

Aina Haina has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is September, when average highs reach 27°C and the mean temperature sits around 26°C. February is the coolest month, with minimum temperatures around 22°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 21mm Feb Precipitation: 65mm Mar Precipitation: 51mm Apr Precipitation: 45mm May Precipitation: 26mm Jun Precipitation: 38mm Jul Precipitation: 28mm Aug Precipitation: 28mm Sep Precipitation: 34mm Oct Precipitation: 53mm Nov Precipitation: 33mm Dec Precipitation: 61mm
Precipitation

Aina Haina is a relatively dry area, receiving approximately 485mm of precipitation annually, which averages out to around 40mm per month. The wettest month is February, averaging 65mm of rainfall. December and October also tend to see above-average precipitation. The driest month is January, with just 21mm. That's 44mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 6km/h Feb Wind Speed: 6km/h Mar Wind Speed: 6km/h Apr Wind Speed: 7km/h May Wind Speed: 7km/h Jun Wind Speed: 7km/h Jul Wind Speed: 8km/h Aug Wind Speed: 8km/h Sep Wind Speed: 7km/h Oct Wind Speed: 6km/h Nov Wind Speed: 7km/h Dec Wind Speed: 7km/h
Wind Speed

Aina Haina is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

6 days until Summer

It is currently spring in Aina Haina, which began on March 20, 2026. Aina Haina is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 27°C, while the coldest stretch bottoms out in February near 22°C. Summer is next, beginning on June 21, 2026 — 6 days from now.

Spring

Temperatures range from 22 to 25°C. Rainfall is relatively light, with around 122mm over the season and a monthly average of 41mm. Winds are generally light, averaging 7km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 24 to 27°C. Rainfall is relatively light, with around 95mm over the season and a monthly average of 32mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 27°C. Rainfall is relatively light, with around 120mm over the season and a monthly average of 40mm. Winds are generally light, averaging 7km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 22 to 25°C. Rainfall is relatively light, with around 147mm over the season and a monthly average of 49mm. Winds are generally light, averaging 6km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 23°
Feb 22°
Mar 23°
Apr 24°
May 24°
Jun 25°
Jul 26°
Aug 26°
Sep 26°
Oct 26°
Nov 25°
Dec 24°

The best time to visit Aina Haina is during January, February, March, April, May, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 43mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 27°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Aina Haina based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
22 °C
24 °C
6 km/h
21 mm
0 cm
Feb
22 °C
23 °C
6 km/h
65 mm
0 cm
Mar
22 °C
24 °C
6 km/h
51 mm
0 cm
Apr
23 °C
25 °C
7 km/h
45 mm
0 cm
May
23 °C
25 °C
7 km/h
26 mm
0 cm
Jun Current
24 °C
26 °C
7 km/h
38 mm
0 cm
Jul
25 °C
26 °C
8 km/h
28 mm
0 cm
Aug
25 °C
27 °C
8 km/h
28 mm
0 cm
Sep
25 °C
27 °C
7 km/h
34 mm
0 cm
Oct
25 °C
27 °C
6 km/h
53 mm
0 cm
Nov
24 °C
26 °C
7 km/h
33 mm
0 cm
Dec
23 °C
25 °C
7 km/h
61 mm
0 cm
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