Which is the hottest month in Hilo, Big Island?

The hottest time of year in Hilo, Big Island is normally September. Expect maximum daytime temperatures to reach 24°C.

Which month has the most rain in Hilo, Big Island?

In terms of rainfall, November is usually the wettest month in Hilo, Big Island with 394mm on average. There are normally 14 days in November with some rain.

When is it sunniest in Hilo, Big Island?

The sunniest time of year in Hilo, Big Island is normally January with bright sunshine on average for 46% of daylight hours; that's 5 hours of sunshine per day.

When is the sea warmest in Hilo, Big Island?

The sea is usually at its warmest in Hilo, Big Island in September when the water temperature reaches 27°C.

Best time to visit Hilo, Big Island

Q: When is the best time to visit Hilo, Big Island?

The best time to visit Hilo, Big Island is June based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Hilo, Big Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Hilo, Big Island?

The best time to visit Hilo, Big Island is June based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

3
Jan
3
Feb
3
Mar
3.5
Apr
3.5
May
4
Jun
3.5
Jul
3.5
Aug
3.5
Sep
3.5
Oct
3
Nov
3
Dec

Change criteria

Max Day Temperature (°C)

21
Jan
21
Feb
21
Mar
22
Apr
23
May
24
Jun
24
Jul
24
Aug
24
Sep
24
Oct
23
Nov
22
Dec

Hours of Sunshine (daily)

5
Jan
5
Feb
5
Mar
5
Apr
5
May
6
Jun
5
Jul
5
Aug
5
Sep
5
Oct
4
Nov
4
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Hawaii (Hilo, Big Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)