Mae Sai, Chiang Rai, Thailand Climate Change Severity

48
High
The current climate change severity in Mae Sai is High, with a -2.1% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Mae Sai 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), Mae Sai temperature has changed by around -3.9%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
7567
-10.6%
cloudyCloudy
2521
-16%
rainyRainy
10550
-52.3%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Mae Sai has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Mae Sai experienced significant changes:

Temperature change of

-0.9 °C

Variation in annual rainfall

+25.5 %

Change in average humidity

+2.8 %

PM2.5 levels surged by

-48.1 %

Heatwave changed by

-2.2 day(s)

Coldwave changed by

+3.2 day(s)

Wind speeds changed by

-0.2 km/h

These indicators show improvement in key parametes of climate, but Mae Sai 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 Jul.

Mae Sai Weather Forecast 30 Days (August - September 2025)
Mae Sai, Chiang Rai, Thailand

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/19°
Humidity Icon84%
Wind Icon6km/h
Mon. 11, Aug.
moderate rainModerate rain
Temperature Icon32°/19°
Humidity Icon88%
Wind Icon4km/h
Tue. 12, Aug.
heavy rainHeavy rain
Temperature Icon28°/20°
Humidity Icon93%
Wind Icon5km/h
Wed. 13, Aug.
moderate rainModerate rain
Temperature Icon29°/20°
Humidity Icon91%
Wind Icon8km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/19°
Humidity Icon87%
Wind Icon8km/h
Fri. 15, Aug.
moderate rainModerate rain
Temperature Icon28°/20°
Humidity Icon93%
Wind Icon5km/h
Sat. 16, Aug.
moderate rainModerate rain
Temperature Icon26°/22°
Humidity Icon97%
Wind Icon5km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/20°
Humidity Icon94%
Wind Icon4km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon34°/21°
Humidity Icon77%
Wind Icon5km/h
Tue. 19, Aug.
moderate rainModerate rain
Temperature Icon28°/22°
Humidity Icon92%
Wind Icon4km/h
Wed. 20, Aug.
moderate rainModerate rain
Temperature Icon26°/21°
Humidity Icon97%
Wind Icon5km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/20°
Humidity Icon98%
Wind Icon5km/h
Fri. 22, Aug.
moderate rainModerate rain
Temperature Icon22°/19°
Humidity Icon100%
Wind Icon3km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/20°
Humidity Icon99%
Wind Icon2km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/18°
Humidity Icon90%
Wind Icon4km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/22°
Humidity Icon88%
Wind Icon5km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/21°
Humidity Icon87%
Wind Icon5km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/21°
Humidity Icon85%
Wind Icon5km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/21°
Humidity Icon84%
Wind Icon5km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/22°
Humidity Icon85%
Wind Icon6km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/22°
Humidity Icon87%
Wind Icon5km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/22°
Humidity Icon89%
Wind Icon6km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/21°
Humidity Icon87%
Wind Icon5km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/21°
Humidity Icon85%
Wind Icon5km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon31°/21°
Humidity Icon85%
Wind Icon6km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/22°
Humidity Icon85%
Wind Icon6km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/22°
Humidity Icon86%
Wind Icon6km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/21°
Humidity Icon88%
Wind Icon5km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/21°
Humidity Icon86%
Wind Icon6km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/21°
Humidity Icon85%
Wind Icon5km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/21°
Humidity Icon86%
Wind Icon5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 18, Aug.

33.7°C

Low will be onSun. 24, Aug.

17.8°C

HumidityHumidity

High will be onFri. 22, Aug.

100%

Low will be onMon. 18, Aug.

77%

Wind SpeedWind Speed

High will be onThu. 14, Aug.

8.3km/h

Low will be onSat. 23, Aug.

2.2km/h

PrecipitationPrecipitation

High will be onTue. 12, Aug.

20.2mm

Low will be onMon. 18, Aug.

0.5mm

Ultraviolet IndexUV

High will be onMon. 18, Aug.

6

Low will be onTue. 12, Aug.

2.5

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