Saturday, October 31, 2026Hilo, HI
BIRR Monster Mash Mile Fun Run
1 event
- BIRR Monster Mash Mile Fun Run1 miRoadStarts 9:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherHarsh weather · 32/100
- High / low
- 76° / 69°F
- 24° / 21°C
- Humidity
- 84%
- Dew point 67°F
- Chance of rain
- 61%
- Wind
- 11 mph
- Average
- Usually warm for a short race: about 71°F while racing.
- Muggy: dew point around 67°F.
- Rain on about 61% of days around this date.
- Often windy: about 11 mph on average.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.