Leonia, New Jersey, United States Climate Change Severity

43
High
The current climate change severity in Leonia is High, with a 16.7% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Leonia Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Leonia temperature has changed by around +1.8%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Sep. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
5533
-40%
cloudyCloudy
7362
-15.06%
rainyRainy
10664
-39.6%
snowySnowy
55
0%
mistyMisty
013
100%

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

Climate Change Indicators:

Over the past 15 years, Leonia has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Leonia experienced significant changes:

Temperature change of

+0.2 °C

Variation in annual rainfall

+37.1 %

Change in average humidity

+2.5 %

PM2.5 levels surged by

+100 %

Heatwave changed by

-5.7 day(s)

Coldwave changed by

-5.8 day(s)

Wind speeds changed by

+0.8 km/h

These indicators show improvement in key parametes of climate, but Leonia remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

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

Leonia Weather Forecast 30 Days (October - November 2025)
Leonia, New Jersey, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 29, Oct.
sunnySunny
Temperature Icon15°/7°
Humidity Icon71%
Wind Icon21km/h
Thu. 30, Oct.
heavy rainHeavy rain
Temperature Icon10°/8°
Humidity Icon88%
Wind Icon36km/h
Fri. 31, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/8°
Humidity Icon81%
Wind Icon35km/h
Sat. 1, Nov.
sunnySunny
Temperature Icon14°/7°
Humidity Icon52%
Wind Icon30km/h
Sun. 2, Nov.
sunnySunny
Temperature Icon13°/7°
Humidity Icon52%
Wind Icon16km/h
Mon. 3, Nov.
sunnySunny
Temperature Icon16°/9°
Humidity Icon57%
Wind Icon16km/h
Tue. 4, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/10°
Humidity Icon83%
Wind Icon29km/h
Wed. 5, Nov.
sunnySunny
Temperature Icon12°/8°
Humidity Icon50%
Wind Icon30km/h
Thu. 6, Nov.
sunnySunny
Temperature Icon14°/7°
Humidity Icon45%
Wind Icon23km/h
Fri. 7, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon19°/7°
Humidity Icon65%
Wind Icon30km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon7°/1°
Humidity Icon45%
Wind Icon27km/h
Sun. 9, Nov.
sunnySunny
Temperature Icon9°/3°
Humidity Icon43%
Wind Icon15km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon11°/5°
Humidity Icon38%
Wind Icon13km/h
Tue. 11, Nov.
sunnySunny
Temperature Icon14°/7°
Humidity Icon47%
Wind Icon8km/h
Wed. 12, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/5°
Humidity Icon68%
Wind Icon20km/h
Thu. 13, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon65%
Wind Icon20km/h
Fri. 14, Nov.
moderate rain at timesModerate rain at times
Temperature Icon10°/4°
Humidity Icon63%
Wind Icon21km/h
Sat. 15, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon69%
Wind Icon17km/h
Sun. 16, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/5°
Humidity Icon68%
Wind Icon19km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon69%
Wind Icon19km/h
Tue. 18, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon70%
Wind Icon20km/h
Wed. 19, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon68%
Wind Icon20km/h
Thu. 20, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/3°
Humidity Icon65%
Wind Icon20km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/3°
Humidity Icon66%
Wind Icon19km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/2°
Humidity Icon68%
Wind Icon21km/h
Mon. 24, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/2°
Humidity Icon68%
Wind Icon20km/h
Tue. 25, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon70%
Wind Icon16km/h
Wed. 26, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/3°
Humidity Icon76%
Wind Icon18km/h
Thu. 27, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/3°
Humidity Icon75%
Wind Icon21km/h
Fri. 28, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon8°/2°
Humidity Icon69%
Wind Icon22km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 7, Nov.

18.9°C

Low will be onSat. 8, Nov.

0.8°C

HumidityHumidity

High will be onThu. 30, Oct.

88%

Low will be onMon. 10, Nov.

38%

Wind SpeedWind Speed

High will be onThu. 30, Oct.

36km/h

Low will be onTue. 11, Nov.

7.9km/h

PrecipitationPrecipitation

High will be onThu. 30, Oct.

40.9mm

Low will be onFri. 14, Nov.

0.7mm

Ultraviolet IndexUV

High will be onMon. 3, Nov.

4

Low will be onSat. 8, Nov.

2

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