Honolulu, Hawaii has one of the most perfect climates in the world. It is never cold, and it only occasionally becomes hot. It can be humid at certain times of the year, like the months between May and August. The winter is the peak season - visitors flock to Honolulu to escape cold winters in many parts of the Northern Hemisphere. This is also the peak surfing season. So although temperatures are very mild, there are many visitors and airline fares and room rates are at their highest. The fall months between September and November are the best months to visit Honolulu - crowds are gone, the weather is great, and rates are down.
January in Honolulu is pleasantly warm despite being one of the coldest months of the year. The average high temperature is 80°F (27°C), while the average low temperature is 66°F (19°C).
In February, both average high and average low temperatures remain exactly the same, tying with January for the coldest month of the year. The relatively colder weather brings pods of whales to town making it a prime time for whale watching.
Honolulu Weather in March: The temperatures in March make a small increase with the average high and average low temperatures range between 81°F (27°C) and 68°F (20°C).
In April, the average high temperature rises a few more degrees to 83°F (28°C). Low temperatures sit at 69°F (21°C).
May continues the upward trend with the average high and average low temperatures both increasing by two degrees to 85°F (29°C) and 71°F (22°C) respectively.
Honolulu Weather in June: The driest month of the year for Honolulu is in June with precipitation rate averages close to 0 inches (7 mm). Temperatures increase again ever so slightly with the average high temperatures at 87°F (31°C). Average low temperatures go up to 73°F (23°C).
July sees the second highest temperature averages of the year with an average high temperature of 88°F (31°C) and an average low temperature of 74°F (24°C). This month also get 293 hours of sunshine, the most in the entire year.
In August, the average high temperatures peak at 89°F (32°C) while the average low temperatures go up to 75°F (24°C).
September average high temperature ties with August as the warmest month in the year. However, the average low temperature goes down one degree to 74°F (24°C).
Honolulu Weather in October: The weather in October decreases to an average high temperature of 87°F (30°C). The low temperature average decreases by another degree to 73°F (23°C).
In November, the average high temperature goes down to 84°F (29°C) as the weather starts to cool off again and surf season picks up. 71°F (22°C) is the average low temperature.
December gets the least sunshine in the year, 211 hours, and also the highest precipitation averages at 3 inches (82 mm). The average high temperature decreases to 81°F (27°C) while the average low temperature goes down to 68°F (20°C).
The best time to visit Hawaii in general is during the spring season. Referred to as the “dry” season, it is during this season that the best travel bargains can be found and there is not a lot of rainfall. Plan your trip between mid-April to June to enjoy the best of Hawaii’s fresh fruit, vegetation and gorgeous flowers. For surfing, the best time to come to Hawaii is during the winter months of December through February as the higher surf begins. This is also the time with the most surf competitions and events. Whale watching is also the best during the winter season. Verified Resource: National Weather Service