Tonsberg, Vestfold, Norway Climate Change Severity

33
Moderate
The current climate change severity in Tonsberg is Moderate, with a 34.9% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Tonsberg 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), Tonsberg temperature has changed by around +7.2%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
5151
0%
cloudyCloudy
7669
-9.2%
rainyRainy
13377
-42.1%
snowySnowy
68
33.3%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Tonsberg has experienced measurable improvements in key climate parameters, contributing to the current severity score of 33 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

33/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Tonsberg experienced significant changes:

Temperature change of

+0.6 °C

Variation in annual rainfall

-5.5 %

Change in average humidity

-2.09 %

PM2.5 levels surged by

-12.4 %

Heatwave changed by

-9 day(s)

Coldwave changed by

-5.7 day(s)

Wind speeds changed by

+0.6 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Tonsberg Weather Forecast 30 Days (November - December 2025)
Tonsberg, Vestfold, Norway

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 15, Nov.
partly cloudyPartly Cloudy
Temperature Icon5°/1°
Humidity Icon48%
Wind Icon28km/h
Sun. 16, Nov.
sunnySunny
Temperature Icon3°/1°
Humidity Icon55%
Wind Icon19km/h
Mon. 17, Nov.
sunnySunny
Temperature Icon3°/1°
Humidity Icon53%
Wind Icon26km/h
Tue. 18, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/0°
Humidity Icon54%
Wind Icon14km/h
Wed. 19, Nov.
moderate snowModerate snow
Temperature Icon1°/0°
Humidity Icon81%
Wind Icon21km/h
Thu. 20, Nov.
partly cloudyPartly Cloudy
Temperature Icon1°/-2°
Humidity Icon70%
Wind Icon17km/h
Fri. 21, Nov.
sunnySunny
Temperature Icon-1°/-3°
Humidity Icon68%
Wind Icon9km/h
Sat. 22, Nov.
moderate snowModerate snow
Temperature Icon0°/-2°
Humidity Icon85%
Wind Icon13km/h
Sun. 23, Nov.
moderate rainModerate rain
Temperature Icon4°/0°
Humidity Icon94%
Wind Icon25km/h
Mon. 24, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon6°/4°
Humidity Icon90%
Wind Icon25km/h
Tue. 25, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/2°
Humidity Icon90%
Wind Icon17km/h
Wed. 26, Nov.
overcastOvercast
Temperature Icon3°/1°
Humidity Icon89%
Wind Icon13km/h
Thu. 27, Nov.
moderate snowModerate snow
Temperature Icon0°/0°
Humidity Icon86%
Wind Icon26km/h
Fri. 28, Nov.
sunnySunny
Temperature Icon0°/-3°
Humidity Icon74%
Wind Icon21km/h
Sat. 29, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon2°/0°
Humidity Icon79%
Wind Icon26km/h
Sun. 30, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon2°/0°
Humidity Icon80%
Wind Icon24km/h
Mon. 1, Dec.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-1°
Humidity Icon76%
Wind Icon24km/h
Tue. 2, Dec.
moderate snowModerate snow
Temperature Icon1°/-2°
Humidity Icon76%
Wind Icon21km/h
Wed. 3, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-1°
Humidity Icon78%
Wind Icon21km/h
Thu. 4, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-2°
Humidity Icon77%
Wind Icon21km/h
Fri. 5, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon81%
Wind Icon25km/h
Sat. 6, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-2°
Humidity Icon80%
Wind Icon23km/h
Sun. 7, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon82%
Wind Icon23km/h
Mon. 8, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon83%
Wind Icon24km/h
Tue. 9, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-1°
Humidity Icon82%
Wind Icon24km/h
Wed. 10, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon82%
Wind Icon23km/h
Thu. 11, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-1°
Humidity Icon84%
Wind Icon23km/h
Fri. 12, Dec.
moderate snowModerate snow
Temperature Icon1°/-2°
Humidity Icon82%
Wind Icon20km/h
Sat. 13, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-2°
Humidity Icon83%
Wind Icon19km/h
Sun. 14, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-2°
Humidity Icon83%
Wind Icon22km/h
Mon. 15, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-1°
Humidity Icon83%
Wind Icon22km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 24, Nov.

6.2°C

Low will be onFri. 28, Nov.

-3.1°C

HumidityHumidity

High will be onSun. 23, Nov.

94%

Low will be onSat. 15, Nov.

48%

Wind SpeedWind Speed

High will be onSat. 15, Nov.

28.4km/h

Low will be onFri. 21, Nov.

8.6km/h

PrecipitationPrecipitation

High will be onSun. 23, Nov.

7.1mm

Low will be onSun. 16, Nov.

0.02mm

Ultraviolet IndexUV

High will be onThu. 20, Nov.

2

Low will be onSat. 22, Nov.

1

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