Hilo, Hawaii, United States Climate Change Severity

57
High
The current climate change severity in Hilo is High, with a 39.02% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Hilo Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Hilo temperature has changed by around +4.04%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
145
-64.2%
cloudyCloudy
131
-92.3%
rainyRainy
179146
-18.4%
snowySnowy
00
0%
mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Hilo has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Hilo experienced significant changes:

Temperature change of

+0.85 °C

Variation in annual rainfall

+46.74 %

Change in average humidity

+1.75 %

PM2.5 levels surged by

+33.85 %

Heatwave changed by

+13 Days

Coldwave changed by

+1 Days

Wind speeds changed by

+0.49 km/h

These indicators show that Hilo is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Hilo Weather Forecast 30 Days (August - September 2026)
Hilo, Hawaii, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Tue. 4, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/22°
Humidity Icon74%
Wind Icon13km/h
Wed. 5, Aug.
sunnySunny
Temperature Icon27°/22°
Humidity Icon74%
Wind Icon13.3km/h
Thu. 6, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/23°
Humidity Icon81%
Wind Icon13.7km/h
Fri. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/21°
Humidity Icon78%
Wind Icon16.6km/h
Sat. 8, Aug.
light rain showerRain Shower
Temperature Icon26°/22°
Humidity Icon82%
Wind Icon15.1km/h
Sun. 9, Aug.
light rain showerRain Shower
Temperature Icon26°/23°
Humidity Icon86%
Wind Icon13km/h
Mon. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/23°
Humidity Icon83%
Wind Icon14.8km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon79%
Wind Icon17.4km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon77%
Wind Icon17.4km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon77%
Wind Icon16.8km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon16.5km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon77%
Wind Icon16.8km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon16.9km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon17.1km/h
Tue. 18, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon16.1km/h
Wed. 19, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon77%
Wind Icon17km/h
Thu. 20, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon77%
Wind Icon17.1km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon17.2km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon17.2km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon80%
Wind Icon17.3km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon79%
Wind Icon18.4km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon77%
Wind Icon18.4km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon17km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon77%
Wind Icon15.9km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon15.9km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon16.4km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon17.6km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon79%
Wind Icon17.8km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon78%
Wind Icon16.7km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon77%
Wind Icon16.8km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon25°/21°
Humidity Icon76%
Wind Icon16.3km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 4, Aug.

27°C

Low will be onFri. 7, Aug.

21°C

HumidityHumidity

High will be onSun. 9, Aug.

86%

Low will be onTue. 4, Aug.

74%

Wind SpeedWind Speed

High will be onMon. 24, Aug.

18.4km/h

Low will be onTue. 4, Aug.

13km/h

PrecipitationPrecipitation

High will be onSun. 9, Aug.

25.04mm

Low will be onTue. 4, Aug.

0.2mm

Ultraviolet IndexUV

High will be onThu. 6, Aug.

12.7

Low will be onTue. 11, Aug.

5

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