Hilo in August

6.1out of 10

Possible, with caveats

Warm and comfortable: highs around 25°C. Very wet: about 26 rainy days.

25°CAvg high
22°CAvg low
26Rainy days (169 mm)
12:40 hDaylight
06:04Sunrise · 18:45 Sunset

Why this score

  • Warm and comfortable: highs around 25°C
  • Very wet: about 26 rainy days

What to wear and pack

  • T-shirts and light layers
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in August is fairly consistent from year to year (2.7 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

23° 20° J 23° 19° F 23° 20° M 23° 20° A 24° 21° M 24° 21° J 25° 22° J 25° 22° A 25° 22° S 25° 22° O 24° 21° N 23° 20° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 23°C20°C147 mm 17– – 6.6
February 23°C19°C168 mm 18– – 6.3
March 23°C20°C231 mm 23– – 6.1
April 23°C20°C181 mm 25– – 6.1
May 24°C21°C145 mm 23– – 6.1
June 24°C21°C119 mm 24– – 6.1
July 25°C22°C144 mm 25– – 6.1
August 25°C22°C169 mm 26– – 6.1
September 25°C22°C117 mm 22– – 6.1
October 25°C22°C136 mm 23– – 6.1
November 24°C21°C190 mm 23– – 6.1
December 23°C20°C200 mm 22– – 6.1

Frequently asked questions

How hot is Hilo in August?

Daytime highs average 25°C and nights about 22°C.

When is the best time to visit Hilo?

The best months are January, February, March, April.