Winter
Dec → Feb27 to 28°
nights 19 to 20°
- 7 rainy days · 63 mm
When is the best time to visit Oahu and Honolulu?
- Jan27°not recommended
- Feb27°not recommended
- Mar27°fair
- Apr28°recommended
- May29°recommended
- Jun30°recommended
- Jul31°fair
- Aug31°fair
- Sep31°recommended
- Oct30°recommended
- Nov29°fair
- Dec28°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Oahu and Honolulu, month by month
The table of averages, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | 27° | 19° | 61 mm | 7 d | |
| February | 27° | 19° | 52 mm | 6 d | |
| March | 27° | 20° | 81 mm | 7 d | |
| April | 28° | 21° | 30 mm | 6 d | ✓ |
| May | 29° | 22° | 26 mm | 5 d | ✓ |
| June | 30° | 23° | 15 mm | 4 d | ✓ |
| July | 31° | 24° | 18 mm | 5 d | |
| August | 31° | 24° | 19 mm | 5 d | |
| September | 31° | 23° | 26 mm | 5 d | ✓ |
| October | 30° | 23° | 57 mm | 6 d | ✓ |
| November | 29° | 22° | 65 mm | 8 d | |
| December | 28° | 20° | 77 mm | 8 d |
The four seasons in Oahu and Honolulu, in figures
What the 2015-2024 averages (Waikiki (Honolulu)) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May27 to 29°
nights 20 to 22°
- 6 rainy days · 46 mm
Summer
Jun → Aug30 to 31°
nights 23 to 24°
- 5 rainy days · 17 mm
Autumn
Sep → Nov29 to 31°
nights 22 to 23°
- 6 rainy days · 49 mm
Book early for April to June and September to October
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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What to do in Oahu and Honolulu, month by month
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sightseeing & walks |
favourablewith compromisesunfavourable
Grid derived from the climate averages (temperature, rainfall), not from an opinion.
Travelling off-peak
Month by month, in detail
January
Not recommended27°19° at night
- 61 mm · 7 d
Low season, lower prices
February
Not recommended27°19° at night
- 52 mm · 6 d
Low season, lower prices
March
Fair27°20° at night
- 81 mm · 7 d
Low season, lower prices
April
Recommended28°21° at night
- 30 mm · 6 d
Busy, without the crush
May
Recommended29°22° at night
- 26 mm · 5 d
Busy, without the crush
June
Recommended30°23° at night
- 15 mm · 4 d
Busy, without the crush
July
Fair31°24° at night
- 18 mm · 5 d
Busy, without the crush
August
Fair31°24° at night
- 19 mm · 5 d
Busy, without the crush
September
Recommended31°23° at night
- 26 mm · 5 d
Busy, without the crush
October
Recommended30°23° at night
- 57 mm · 6 d
Busy, without the crush
November
Fair29°22° at night
- 65 mm · 8 d
Low season, lower prices
December
Not recommended28°20° at night
- 77 mm · 8 d
Quiet, then the holidays
Read the twelve months in detail
January. 27 °C in the afternoon and 19 °C at night. Rain stays light: 61 mm over 7 days. Low season: fewer people, lower prices.
February. 27 °C in the afternoon and 19 °C at night. Rain stays light: 52 mm over 6 days. Low season: fewer people, lower prices.
March. 27 °C in the afternoon and 20 °C at night. Rain stays light: 81 mm over 7 days. Low season: fewer people, lower prices.
April. 28 °C in the afternoon and 21 °C at night. Rain stays light: 30 mm over 6 days. Busy season, without the crush.
May. 29 °C in the afternoon and 22 °C at night. Rain stays light: 26 mm over 5 days. Busy season, without the crush.
June. 30 °C in the afternoon and 23 °C at night. Rain stays light: 15 mm over 4 days. Busy season, without the crush.
July. 31 °C in the afternoon and 24 °C at night. Rain stays light: 18 mm over 5 days. Busy season, without the crush.
August. 31 °C in the afternoon and 24 °C at night. Rain stays light: 19 mm over 5 days. Busy season, without the crush.
September. 31 °C in the afternoon and 23 °C at night. Rain stays light: 26 mm over 5 days. Busy season, without the crush.
October. 30 °C in the afternoon and 23 °C at night. Rain stays light: 57 mm over 6 days. Busy season, without the crush.
November. 29 °C in the afternoon and 22 °C at night. Expect 8 days of rain in the month (65 mm). Low season: fewer people, lower prices.
December. 28 °C in the afternoon and 20 °C at night. Expect 8 days of rain in the month (77 mm). Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Oahu and Honolulu?
April to June and September to October: over these months, average highs range from 28 to 31 °C, with 5 days of rain a month on average (2015-2024 averages, Waikiki (Honolulu)).
Which month should you avoid in Oahu and Honolulu?
December: it is the wettest of the months to avoid, with 77 mm over 8 days of rain on average over 2015-2024 at the reference point (Waikiki (Honolulu)).
What is the hottest month in Oahu and Honolulu?
July, with 31 °C on average in the afternoon and 24 °C at night. 2015-2024 averages (Waikiki (Honolulu)).
What is the coldest month in Oahu and Honolulu?
January, with 27 °C at best during the day and 19 °C at night. 2015-2024 averages (Waikiki (Honolulu)).
What is the driest month in Oahu and Honolulu?
June: 15 mm over 4 days of rain, against 81 mm in March, the wettest month.
Plan this trip
📒 The free printable Oahu and Honolulu guide: itinerary, map, where to sleep→
🧭 When to visit the American West: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
Photos: Chait Goli / Pexels · Jawed Karim / CC BY-SA 3.0 (Wikimedia Commons) · Prayitno / CC BY 2.0 (Wikimedia Commons) · Leo Carmona / CC BY-SA 4.0 (Wikimedia Commons) · Reweaver33 / CC BY-SA 4.0 (Wikimedia Commons)