The most comfortable time to visit Honolulu is from mid November to mid June. For sun, aim for mid April to early December.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
For sun, go from mid April to early December. It peaks in early September, at 81. Avoid early March for this: it falls to 33, mostly because it is too cool. The clearest skies come in September, when the sky is typically 49% covered at midday (partly cloudy).
The being outside season here runs from mid November to mid June. It peaks in late February, at 85. The weakest stretch is from September to early October, when it drops to 29, mostly because it is too hot.
Honolulu never quite rates Good for walking. It comes closest in early March, at 45, mostly because it is too warm. Avoid mid July to October for this: it falls to 2, mostly because it is too warm.
The year, measured
The average temperature in Honolulu over the whole year is 24°C. August is the hottest month, with highs of about 29°C; February is the coldest, with lows of about 20°C. Honolulu has no sharply defined rainy season: the chance of rain on a given day runs from 9% in August, the driest month, to 17% in February, the wettest. Winds in Honolulu are highest in July, averaging 3.6 m/s (13 km/h), and lightest in January, at 2.8 m/s (10 km/h). The prevailing wind is from the E. The clearest skies in Honolulu come in September, when the sky is typically 42% covered; July is the cloudiest month, at 54%.
Month by month Honolulu climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 25°C | 20°C | 25°C | 15% | 44% | 2.8 m/s | 81 | 57 | 28 |
| February | 24°C | 20°C | 24°C | 17% | 49% | 3.2 m/s | 82 | 40 | 39 |
| March | 25°C | 20°C | 24°C | 16% | 51% | 3.2 m/s | 78 | 47 | 33 |
| April | 26°C | 21°C | 25°C | 16% | 50% | 3.3 m/s | 75 | 56 | 24 |
| May | 27°C | 22°C | 26°C | 13% | 50% | 3.3 m/s | 67 | 66 | 16 |
| June | 28°C | 23°C | 27°C | 10% | 50% | 3.5 m/s | 56 | 76 | 8 |
| July | 28°C | 24°C | 28°C | 11% | 54% | 3.6 m/s | 47 | 75 | 6 |
| August | 29°C | 24°C | 29°C | 9% | 48% | 3.5 m/s | 37 | 78 | 3 |
| September | 29°C | 24°C | 29°C | 12% | 42% | 3.1 m/s | 32 | 80 | 2 |
| October | 28°C | 23°C | 29°C | 16% | 44% | 2.8 m/s | 36 | 76 | 4 |
| November | 27°C | 22°C | 27°C | 14% | 46% | 3.1 m/s | 59 | 66 | 15 |
| December | 25°C | 21°C | 25°C | 16% | 47% | 3.0 m/s | 74 | 55 | 27 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Honolulu weather by season
Year round, Honolulu has days of about 24°C at their warmest in February, its coolest month, and 29°C in August, its warmest; the coolest hours of the day run from 20°C to 24°C through the year, and the average temperature over the year is 24°C around the clock. Rain is most likely around February and least likely around August. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Honolulu weather in winterDecember to February
Winter in Honolulu has typical daily highs of about 25°C and lows of about 20°C, with a 16% chance of rain on a given day.
Honolulu weather in springMarch to May
Spring in Honolulu has typical daily highs of about 26°C and lows of about 21°C, with a 15% chance of rain on a given day.
Honolulu weather in summerJune to August
Summer in Honolulu has typical daily highs of about 28°C and lows of about 23°C, with a 10% chance of rain on a given day.
Honolulu weather in autumnSeptember to November
Autumn in Honolulu has typical daily highs of about 28°C and lows of about 23°C, with a 14% chance of rain on a given day.
When is the rainy season in Honolulu?
Honolulu has no sharply defined rainy season: the chance of rain on a given day runs from 9% in August, the driest month, to 17% in February, the wettest.
What time of year is Honolulu windiest?
Winds in Honolulu are highest in July, averaging 3.6 m/s (13 km/h), and lightest in January, at 2.8 m/s (10 km/h). The prevailing wind is from the E.
What is the average temperature in Honolulu year round?
The average temperature in Honolulu over the whole year is 24°C. August is the hottest month, with highs of about 29°C; February is the coldest, with lows of about 20°C.
Where to go instead in early October, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.