COVID-19 (Coronavirus) may impact your travel plans and the data on our site. Stay safe, and always check official travel advice before you book.

Best time to visit Hilo, Hawaii, USA

Our verdict

The best time to visit Hilo is March-April

Are you looking for the best time to visit Hilo? Well, you’re in the right place! Although Hilo is a great destination to visit almost all year round, March-April is the best time to go due to its perfect climate conditions. Around this time of year, flights and accommodation can also be cheaper as it is outside of key peak holiday seasons if you book well enough in advance.

In the summer months, temperatures can reach as high as 26℃ (78℉) in Hilo. The weather at night in the winter can get down to temperatures as low as 15℃ (59℉).

The days are longest in Hilo in July, so if you want to see the sights during the day when the sun is up for the longest time, it’s best to visit around that time of year. On average it rains the most days in February, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.

Keep reading to find all the info you need (and none of the stuff you don’t) about the best times to go to Hilo. By the time you get to the bottom, you’ll be ready to start booking your trip.

Warmest month

August

Least rainfall

June

Most daylight

July

Hilo seasons

Before you continue, it’s important to know when the seasons are in Hilo as they might be different to yours depending on where in the world you’re travelling from. Hilo is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Hilo

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Hilo for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Hilo climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Hilo for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Hilo in January

  • Average temperature: 20℃ (68℉)
  • Average high temperature: 22℃ (71℉)
  • Average low temperature: 18℃ (65℉)
  • Average humidity: 78%
  • Average sunny days: 12 days
  • Average rainfall: 69mm (3") over 13 days
12 days
of pure sunshine
13 days
of showers or rain

What to pack: If you’re heading to Hilo in January, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Hilo in February

  • Average temperature: 20℃ (67℉)
  • Average high temperature: 21℃ (70℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 79%
  • Average sunny days: 6 days
  • Average rainfall: 96mm (4") over 17 days
6 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Hilo in February, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Hilo in March

  • Average temperature: 20℃ (67℉)
  • Average high temperature: 21℃ (70℉)
  • Average low temperature: 18℃ (64℉)
  • Average humidity: 80%
  • Average sunny days: 3 days
  • Average rainfall: 80mm (3") over 23 days
3 days
of pure sunshine
23 days
of showers or rain

What to pack: If you’re heading to Hilo in March, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Hilo in April

  • Average temperature: 20℃ (68℉)
  • Average high temperature: 22℃ (71℉)
  • Average low temperature: 18℃ (65℉)
  • Average humidity: 79%
  • Average sunny days: 2 days
  • Average rainfall: 50mm (2") over 21 days
2 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to Hilo in April, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Hilo in May

  • Average temperature: 21℃ (70℉)
  • Average high temperature: 22℃ (72℉)
  • Average low temperature: 19℃ (66℉)
  • Average humidity: 79%
  • Average sunny days: 3 days
  • Average rainfall: 35mm (1") over 20 days
3 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Hilo in May, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Hilo in June

  • Average temperature: 21℃ (71℉)
  • Average high temperature: 23℃ (74℉)
  • Average low temperature: 20℃ (67℉)
  • Average humidity: 78%
  • Average sunny days: 4 days
  • Average rainfall: 21mm (1") over 16 days
4 days
of pure sunshine
16 days
of showers or rain

What to pack: If you’re heading to Hilo in June, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Hilo in July

  • Average temperature: 22℃ (72℉)
  • Average high temperature: 24℃ (75℉)
  • Average low temperature: 21℃ (69℉)
  • Average humidity: 78%
  • Average sunny days: 3 days
  • Average rainfall: 35mm (1") over 17 days
3 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to Hilo in July, make sure you pack t-shirts and light clothing.


Hilo in August

  • Average temperature: 23℃ (73℉)
  • Average high temperature: 24℃ (75℉)
  • Average low temperature: 21℃ (70℉)
  • Average humidity: 79%
  • Average sunny days: 2 days
  • Average rainfall: 61mm (2") over 18 days
2 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Hilo in August, make sure you pack t-shirts and light clothing.


Hilo in September

  • Average temperature: 23℃ (73℉)
  • Average high temperature: 24℃ (75℉)
  • Average low temperature: 21℃ (70℉)
  • Average humidity: 79%
  • Average sunny days: 3 days
  • Average rainfall: 46mm (2") over 19 days
3 days
of pure sunshine
19 days
of showers or rain

What to pack: If you’re heading to Hilo in September, make sure you pack t-shirts and light clothing.

Hilo in October

  • Average temperature: 22℃ (72℉)
  • Average high temperature: 24℃ (75℉)
  • Average low temperature: 21℃ (70℉)
  • Average humidity: 79%
  • Average sunny days: 4 days
  • Average rainfall: 71mm (3") over 20 days
4 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Hilo in October, make sure you pack t-shirts and light clothing.


Hilo in November

  • Average temperature: 21℃ (71℉)
  • Average high temperature: 23℃ (73℉)
  • Average low temperature: 20℃ (68℉)
  • Average humidity: 79%
  • Average sunny days: 3 days
  • Average rainfall: 60mm (2") over 21 days
3 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to Hilo in November, make sure you pack t-shirts and maybe a light jumper for the evenings.


Hilo in December

  • Average temperature: 21℃ (69℉)
  • Average high temperature: 22℃ (72℉)
  • Average low temperature: 19℃ (66℉)
  • Average humidity: 79%
  • Average sunny days: 6 days
  • Average rainfall: 67mm (3") over 18 days
6 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to Hilo in December, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.


Top FAQs

The hottest month of the year in Hilo is usually August, where temperatures tend to rise to around 24℃ (75℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Hilo is generally around June. The dry season often coincides with cooler weather, so you should check the temperatures in June first to make sure it’s still a good time to go.
The rainiest time of year in Hilo is generally around February, although the wetter season can sometimes extend a few months either side of February too.
If you want to get the most out of your time visiting Hilo, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Hilo map