Hawaii (Big Island) Climate and Average Weather
Climate of Hawaii (Big Island): average temperatures, rainfall and seasons month by month.
Climate in Hawaii (Big Island) month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 58° | 44° | 1,7 in | ★★★★☆ |
| February | 57° | 43° | 1,7 in | ★★★★☆ |
| March | 57° | 44° | 4,6 in | ★★★☆☆ |
| April | 58° | 45° | 3,4 in | ★★★☆☆ |
| May | 59° | 46° | 2,9 in | ★★★★☆ |
| June | 61° | 48° | 2,9 in | ★★★★☆ |
| July | 63° | 49° | 2,1 in | ★★★★☆ |
| August | 64° | 49° | 3,6 in | ★★★★☆ |
| September | 61° | 48° | 2,2 in | ★★★★☆ |
| October | 60° | 47° | 1,8 in | ★★★★☆ |
| November | 60° | 46° | 2,2 in | ★★★★☆ |
| December | 60° | 45° | 0,6 in | ★★★★☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Recent extremes in Hawaii (Big Island)
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Hawaii (Big Island) compares with nearby places
Annual averages, and the difference against Hawaii (Big Island).
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Hawaii County | 0 mi | 53°F | about the same | 30 in |
| Hawaii Volcanoes National Park | 26 mi | 61°F | +40°F warmer | 51 in |
| Road to Hana | 87 mi | 71°F | +50°F warmer | 183 in |
| Haleakala National Park | 87 mi | 50°F | 35°F cooler | 121 in |
| Maui | 97 mi | 70°F | +49°F warmer | 32 in |
Best time to visit Hawaii (Big Island)
Go in June, July, September, October and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and April - expect the least comfortable mix of heat, cold or rain.
What this means for Hawaii (Big Island)
Today is about average for August. The forecast high of 63°F is in line with the 64°F typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 0,5 in is forecast, which is enough to soak trails and slow traffic.
Visibility is down to 2,0 mi - use low beams and leave extra following distance. Gusts to 33 mph will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 39°F - an unusually even climate through the year.
What to pack, what to skip
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 33 mph.
- If your dates are flexible, avoid January, March and April - historically the least comfortable months here.
Summary
Hawaii (Big Island) is an island in Hawaii. Hawaii (Big Island) is an island known for active volcanoes and black sand beaches.
Right now it is 58°F (14°C) in Hawaii (Big Island) with showers. It feels like 57°F. Today runs from 53°F to 63°F. Chance of precipitation is 100%. Sightseeing conditions score 5.5/10 - fair - plan around the weather.
The best time to visit Hawaii (Big Island) is June, July, September, October and December. The climate is temperate. January, March and April tend to be the least comfortable months. August is the warmest month with average highs near 64°F, while February is the coldest with lows near 43°F.
The closest major airport is Daniel K. Inouye International Airport (HNL), about 191 mi away. Nearby highlights include Hawaii Volcanoes National Park, Road to Hana, Haleakala National Park and Maui.
In plain terms. Today is about average for August. The forecast high of 63°F is in line with the 64°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Hawaii (Big Island) today at 9.6/10. Visibility is down to 2,0 mi - use low beams and leave extra following distance. Gusts to 33 mph will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Hawaii (Big Island)
| Type | Island |
|---|---|
| State | Hawaii |
| Country | United States |
| Continent | North America |
| Coordinates | 19°32′34.4″N 155°39′57.2″W (19.5429, -155.6659) |
| Known for | active volcanoes and black sand beaches |
| Local time | 4:42 AM (UTC-10:00) |
| Best months | June, July, September, October and December |
| Climate | Temperate |
Weather map for Hawaii (Big Island)
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Hawaii (Big Island)
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Hawaii (Big Island)?
Hawaii (Big Island) is an island in Hawaii. Its coordinates are 19.5429, -155.6659. It lies in North America.
What is the weather like in Hawaii (Big Island) right now?
It is currently 58°F (14°C) with showers. Humidity is 87% and wind is 4 mph.
When is the best time to visit Hawaii (Big Island)?
June, July, September, October and December offer the most comfortable conditions in Hawaii (Big Island), which has a temperate climate. January, March and April are usually the hardest months for outdoor plans.
What time zone is Hawaii (Big Island) in?
Hawaii (Big Island) observes Pacific/Honolulu (UTC-10:00). The local time is 4:42 AM.
What is the nearest airport to Hawaii (Big Island)?
The closest airports are Daniel K. Inouye International Airport (HNL), 191 mi away.
What are the top things to do in Hawaii (Big Island)?
Popular options include Hawaii Volcanoes National Park, Road to Hana, Haleakala National Park, Maui, Waikiki Beach and Pearl Harbor National Memorial.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 24, 2026 at 4:42 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
