Signal Hill, California, United States Climate Change Severity

67
Very High
The current climate change severity in Signal Hill is Very High, with a 29.9% 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


Signal Hill Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Signal Hill temperature has changed by around +6.2%, 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
10982
-24.7%

cloudyCloudy
5342
-20.7%

rainyRainy
3219
-40.6%

snowySnowy
00
0%

mistyMisty
237
1750%

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

Climate Change Indicators:

Over the past 16 years, Signal Hill has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

67/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Signal Hill experienced significant changes:

Temperature change of

+1.08 °C


Variation in annual rainfall

+74.53 %


Change in average humidity

+16.96 %


PM2.5 levels surged by

-63.25 %


Heatwave changed by

-3 Days


Coldwave changed by

-1 Days


Wind speeds changed by

+0.27 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Signal Hill's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

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

Signal Hill Weather Forecast 30 Days (August - September 2026)
Signal Hill, California, United States


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 16, Aug.
sunnySunny

Temperature Icon27°/21°

Humidity Icon61%

Wind Icon20.2km/h
Mon. 17, Aug.
sunnySunny

Temperature Icon28°/22°

Humidity Icon58%

Wind Icon18km/h
Tue. 18, Aug.
sunnySunny

Temperature Icon30°/23°

Humidity Icon59%

Wind Icon16.2km/h
Wed. 19, Aug.
sunnySunny

Temperature Icon30°/23°

Humidity Icon60%

Wind Icon13.7km/h
Thu. 20, Aug.
sunnySunny

Temperature Icon29°/23°

Humidity Icon62%

Wind Icon14km/h
Fri. 21, Aug.
sunnySunny

Temperature Icon28°/23°

Humidity Icon65%

Wind Icon16.2km/h
Sat. 22, Aug.
sunnySunny

Temperature Icon29°/23°

Humidity Icon60%

Wind Icon15.1km/h
Sun. 23, Aug.
sunnySunny

Temperature Icon30°/24°

Humidity Icon57%

Wind Icon16.6km/h
Mon. 24, Aug.
sunnySunny

Temperature Icon28°/19°

Humidity Icon64%

Wind Icon17km/h
Tue. 25, Aug.
sunnySunny

Temperature Icon29°/19°

Humidity Icon62%

Wind Icon16.9km/h
Wed. 26, Aug.
sunnySunny

Temperature Icon30°/19°

Humidity Icon60%

Wind Icon17.4km/h
Thu. 27, Aug.
patchy rain possibleRain Possible

Temperature Icon30°/20°

Humidity Icon59%

Wind Icon16.8km/h
Fri. 28, Aug.
patchy rain possibleRain Possible

Temperature Icon30°/20°

Humidity Icon59%

Wind Icon16.7km/h
Sat. 29, Aug.
sunnySunny

Temperature Icon30°/20°

Humidity Icon59%

Wind Icon16.9km/h
Sun. 30, Aug.
sunnySunny

Temperature Icon29°/19°

Humidity Icon61%

Wind Icon16km/h
Mon. 31, Aug.
patchy rain possibleRain Possible

Temperature Icon29°/20°

Humidity Icon63%

Wind Icon16.4km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon29°/20°

Humidity Icon63%

Wind Icon16.3km/h
Wed. 2, Sep.
patchy rain possibleRain Possible

Temperature Icon29°/20°

Humidity Icon63%

Wind Icon16.6km/h
Thu. 3, Sep.
patchy rain possibleRain Possible

Temperature Icon30°/20°

Humidity Icon62%

Wind Icon17.7km/h
Fri. 4, Sep.
patchy rain possibleRain Possible

Temperature Icon30°/20°

Humidity Icon61%

Wind Icon17.3km/h
Sat. 5, Sep.
patchy rain possibleRain Possible

Temperature Icon30°/20°

Humidity Icon58%

Wind Icon17km/h
Sun. 6, Sep.
sunnySunny

Temperature Icon30°/20°

Humidity Icon58%

Wind Icon16.9km/h
Mon. 7, Sep.
sunnySunny

Temperature Icon30°/20°

Humidity Icon61%

Wind Icon16.1km/h
Tue. 8, Sep.
patchy rain possibleRain Possible

Temperature Icon30°/20°

Humidity Icon61%

Wind Icon16.8km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon29°/20°

Humidity Icon59%

Wind Icon18.4km/h
Thu. 10, Sep.
patchy rain possibleRain Possible

Temperature Icon28°/20°

Humidity Icon64%

Wind Icon16.7km/h
Fri. 11, Sep.
patchy rain possibleRain Possible

Temperature Icon28°/19°

Humidity Icon66%

Wind Icon16.1km/h
Sat. 12, Sep.
patchy rain possibleRain Possible

Temperature Icon28°/19°

Humidity Icon66%

Wind Icon16.8km/h
Sun. 13, Sep.
patchy rain possibleRain Possible

Temperature Icon27°/19°

Humidity Icon64%

Wind Icon16.9km/h
Mon. 14, Sep.
patchy rain possibleRain Possible

Temperature Icon28°/19°

Humidity Icon62%

Wind Icon16.9km/h
Tue. 15, Sep.
moderate rain at timesRain

Temperature Icon28°/19°

Humidity Icon62%

Wind Icon16.4km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 18, Aug.

30°C


Low will be onMon. 24, Aug.

19°C

HumidityHumidity

High will be onFri. 11, Sep.

66%


Low will be onSun. 23, Aug.

57%

Wind SpeedWind Speed

High will be onSun. 16, Aug.

20.2km/h


Low will be onWed. 19, Aug.

13.7km/h

PrecipitationPrecipitation

High will be onTue. 1, Sep.

3.9mm


Low will be onFri. 28, Aug.

0.01mm

Ultraviolet IndexUV

High will be onMon. 17, Aug.

10.6


Low will be onThu. 27, Aug.

5