Climate Insights for Hālawa

The climate in Hālawa is warm and mild. The average annual temperature is 24°C and approximately 464mm of precipitation falls per year. December is the wettest month, receiving around 63mm of rainfall. Hālawa is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, July. The coldest months are February, January, March, when temperatures can drop to 20°C.

Hālawa has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 26°C. February is the coolest month, with minimum temperatures around 20°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.

Hālawa is a relatively dry area, receiving approximately 464mm of precipitation annually, which averages out to around 39mm per month. The wettest month is December, averaging 63mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 21mm. That's 43mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Hālawa is mildly breezy, with an average annual wind speed of 16km/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 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 14km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 15km/h in winter, 16km/h in spring, 18km/h in summer, 15km/h in autumn.

It is currently summer in Hālawa, which began on June 21, 2026. Hālawa 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 29°C, while the coldest stretch bottoms out in February near 20°C. Autumn is next, beginning on September 23, 2026 (8 days from now).

The best time to visit Hālawa 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 45mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Hālawa 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.