Winter (December to February)
Pleasant warmth with highs around 24° and lows near 19°, very frequent rain (19 rainy days per month on average). Not an ideal time for a leisure trip.
Chargement…
When to visit United States
Climate · 10-year averages
When to visit Hilo?
No month ticks every box in Hilo, so here's the month-by-month breakdown to help you pick the least bad time.
Best time to go
No ideal time
Hottest month
September · 27°
Coldest month
February · 19°
Wettest month
March · 240 mm
Climate month by month
Bars: monthly rainfall. Lines: average highs and lows. Month color: our travel comfort index.
- JanuaryCorrect
25° / 19°
- Rain
- 148 mm · 16 d
- Sunshine
- 9.8 h/day
- Humidity
- 80%
- FebruaryMitigé
24° / 19°
- Rain
- 212 mm · 19 d
- Sunshine
- 9.5 h/day
- Humidity
- 81%
- MarchÀ éviter
24° / 19°
- Rain
- 240 mm · 22 d
- Sunshine
- 8.9 h/day
- Humidity
- 82%
- AprilÀ éviter
25° / 20°
- Rain
- 224 mm · 24 d
- Sunshine
- 10.2 h/day
- Humidity
- 82%
- MayÀ éviter
25° / 20°
- Rain
- 175 mm · 25 d
- Sunshine
- 10.8 h/day
- Humidity
- 82%
- JuneÀ éviter
26° / 21°
- Rain
- 127 mm · 24 d
- Sunshine
- 11.8 h/day
- Humidity
- 82%
- JulyÀ éviter
27° / 22°
- Rain
- 169 mm · 27 d
- Sunshine
- 11.9 h/day
- Humidity
- 83%
- AugustÀ éviter
27° / 22°
- Rain
- 235 mm · 25 d
- Sunshine
- 11.2 h/day
- Humidity
- 83%
- SeptemberÀ éviter
27° / 22°
- Rain
- 132 mm · 23 d
- Sunshine
- 11.1 h/day
- Humidity
- 82%
- OctoberÀ éviter
27° / 22°
- Rain
- 205 mm · 22 d
- Sunshine
- 10.1 h/day
- Humidity
- 82%
- NovemberÀ éviter
26° / 21°
- Rain
- 237 mm · 22 d
- Sunshine
- 9.2 h/day
- Humidity
- 82%
- DecemberÀ éviter
25° / 19°
- Rain
- 210 mm · 22 d
- Sunshine
- 8.8 h/day
- Humidity
- 83%
2014–2023 averages from the ERA5 reanalysis (Copernicus) via Open-Meteo. A day counts as a “rainy day” from 1 mm of rain.
Our take, season by season
Spring (March to May)
Pleasant warmth with highs around 25° and lows near 20°, very frequent rain (24 rainy days per month on average). Not an ideal time for a leisure trip.
Summer (June to August)
Pleasant warmth with highs around 27° and lows near 22°, very frequent rain (25 rainy days per month on average). Not an ideal time for a leisure trip.
Fall (September to November)
Pleasant warmth with highs around 27° and lows near 21°, very frequent rain (22 rainy days per month on average). Not an ideal time for a leisure trip.
Frequently asked questions
- When is the best time to visit Hilo?
- No month is ideal in Hilo by our criteria (highs between 20 and 29 °C, little rain). The best-rated months are from December to February.
- What is the hottest month in Hilo?
- September is the hottest month, with an average high of 27 °C.
- What is the coldest month in Hilo?
- February is the coldest month, with an average low of 19 °C.
- When does it rain the most in Hilo?
- March is the wettest month (240 mm, about 22 rainy days). The driest is June (127 mm).
- When should you avoid Hilo?
- The least favorable months are from March to December: too hot, too cold, or too rainy to make the most of your trip.
When to visit other cities · United States
The capital and the country's other major cities.
More practical info: United States
- Country guideEverything about a country on one page: time, weather, currency, plugs, emergency numbers, tipping, visas.
- WeatherTemperature, rain, wind, and UV index for every capital.
- Air qualityPollution, fine particulate matter, and ozone, with a 36-hour forecast.
- Local timeLive clock, time zone, and time difference from where you are.
- Public holidaysEvery public holiday of the year, plus the next one coming up.
- Power OutletsPlug type, voltage, and whether your devices need an adapter.
- Driving SideWhich side of the road to drive on and which license you need before renting a car.
- Emergency NumbersPolice, ambulance, and fire department numbers for every country.
- TippingHow much to tip at restaurants, in taxis, and at hotels.
- Dialing CodesHow to call a country from abroad.
- Salat TimesFajr, Dhuhr, Asr, Maghrib, Isha, and Imsak times in every capital.
- QiblaReal-time compass pointing to the Kaaba from your GPS location.
- Visa requirements from FranceDo you need a visa for United States?