Climate for Station: Prachuap Khiri Khan, Thailand
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Climate Analysis & Overview
Prachuap Khiri Khan is experiencing a complex climate narrative, with a recent warming trend in high temperatures and a cooling trend in lows over the past decade. The all-time data, however, shows a slight warming trend across both highs and lows, indicating a nuanced climatic shift. Precipitation is becoming more evenly distributed, which could impact local agriculture and water management strategies.
Tropical Dynamics and Geography
Prachuap Khiri Khan, nestled along Thailand's narrow southern peninsula, is classified under the Köppen climate system as a tropical savanna climate (Aw). The region's proximity to the Gulf of Thailand influences its weather patterns, moderating temperatures and contributing to a humid environment. The surrounding mountain ranges also play a role in shaping local climatic conditions, often resulting in microclimatic variations across short distances.
Temperature Trends: A Tale of Two Decades
Over the past decade, Prachuap Khiri Khan has experienced a warming trend in high temperatures, with an increase of 1.17°C (2.11°F). Conversely, the low temperatures have shown a cooling trend, decreasing by 0.30°C (0.54°F). This divergence highlights a complex climatic scenario, possibly influenced by changing atmospheric conditions and local geographic factors. In contrast, the all-time trends present a more uniform picture, with high temperatures rising by 0.19°C (0.34°F) and low temperatures increasing by 0.30°C (0.54°F), suggesting a gradual warming across the board.
Precipitation Patterns: A Shift Towards Evenness
The Precipitation Concentration Index (PCI) for Prachuap Khiri Khan has shifted from a baseline of 13.53 to a current value of 10.55. This decrease indicates that rainfall is becoming more evenly distributed throughout the year, rather than being concentrated in fewer, intense events. Such a change can have significant implications for local agriculture, potentially reducing the risk of droughts and floods, and aiding in more consistent crop yields.
Temperature Extremes: Records and Realities
The region's historical temperature records reveal an absolute maximum of 40.0°C (104.0°F) and a minimum of 10.5°C (50.9°F). These extremes underscore the variability inherent in Prachuap Khiri Khan's climate, influenced by its tropical setting and geographical features. While the temperature records provide a snapshot of potential extremes, the ongoing trends suggest a gradual shift towards warmer conditions, aligning with broader regional climate patterns.
Regional Climate Goals and Future Considerations
Thailand's commitment to regional climate goals, including reducing greenhouse gas emissions and enhancing climate resilience, sets the backdrop for Prachuap Khiri Khan's evolving climate story. Recent weather events, such as intensified monsoon seasons, highlight the importance of adaptive strategies in managing the impacts of climate change. The observed trends in temperature and precipitation distribution will be crucial in informing future policy and planning decisions.
Station Statistics
10-Year Trend
High: +1.15 °C/decade
Low: -0.30 °C/decade
Rain: -1.95 mm/decade
25-Year Trend
High: -0.15 °C/decade
Low: +0.07 °C/decade
Rain: +0.28 mm/decade
50-Year Trend
High: +0.34 °C/decade
Low: +0.30 °C/decade
Rain: +0.37 mm/decade
All-Time Trend
High: +0.19 °C/decade
Low: +0.30 °C/decade
Rain: +0.16 mm/decade
Percentage Above-Average Days
Last 12 Months: 41.4%
This Year: 0.0%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 10.3
Historical Average: 15.7
Percentile Rank of Last 12 Months ℹ️
High: 76th percentile
Low: 56th percentile
Rain: 58th percentile
Change in Variance ℹ️
High: +43.6%
Low: -28.9%
Intraday: +30.6%
Data Coverage
95.1%
First Year of Data
1957
Station Location
Historical Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 40.0 °C | — | 21.7 °C | 35.2 °C | — | 18.8 °C | 29.6 °C | — | 10.5 °C | 231.5 mm | — | — | — |
| January | 35.5 °C | 30.4 °C | 23.1 °C | 29.8 °C | 25.6 °C | 18.8 °C | 26.5 °C | 20.3 °C | 10.5 °C | 231.5 mm | 1.3 mm | — | — |
| February | 37.8 °C | 31.3 °C | 23.3 °C | 30.7 °C | 26.7 °C | 22.0 °C | 26.4 °C | 21.5 °C | 12.2 °C | 106.4 mm | 1.6 mm | — | — |
| March | 39.4 °C | 32.5 °C | 23.0 °C | 32.9 °C | 28.1 °C | 21.6 °C | 27.5 °C | 23.0 °C | 16.1 °C | 107.2 mm | 1.9 mm | — | — |
| April | 40.0 °C | 33.9 °C | 25.8 °C | 34.8 °C | 29.3 °C | 23.8 °C | 28.7 °C | 24.6 °C | 19.5 °C | 76.7 mm | 1.9 mm | — | — |
| May | 39.5 °C | 33.7 °C | 24.9 °C | 35.2 °C | 29.1 °C | 24.4 °C | 29.6 °C | 25.2 °C | 21.2 °C | 102.1 mm | 4.3 mm | — | — |
| June | 39.4 °C | 32.8 °C | 24.5 °C | 32.8 °C | 28.5 °C | 24.2 °C | 28.5 °C | 25.0 °C | 20.9 °C | 62.6 mm | 3.6 mm | — | — |
| July | 38.0 °C | 32.4 °C | 25.3 °C | 32.0 °C | 28.1 °C | 24.2 °C | 27.8 °C | 24.7 °C | 21.4 °C | 85.1 mm | 3.8 mm | — | — |
| August | 38.0 °C | 32.1 °C | 24.8 °C | 33.6 °C | 27.9 °C | 23.9 °C | 27.5 °C | 24.6 °C | 21.1 °C | 47.5 mm | 3.6 mm | — | — |
| September | 38.0 °C | 32.3 °C | 26.2 °C | 32.7 °C | 27.8 °C | 23.6 °C | 27.5 °C | 24.4 °C | 20.0 °C | 80.8 mm | 3.8 mm | — | — |
| October | 37.0 °C | 31.2 °C | 23.2 °C | 31.2 °C | 27.2 °C | 22.9 °C | 27.6 °C | 23.6 °C | 18.6 °C | 205.5 mm | 7.5 mm | — | — |
| November | 36.2 °C | 30.6 °C | 23.0 °C | 30.3 °C | 26.7 °C | 22.0 °C | 27.4 °C | 22.9 °C | 14.3 °C | 222.5 mm | 6.2 mm | — | — |
| December | 36.0 °C | 30.1 °C | 21.7 °C | 30.2 °C | 25.7 °C | 19.3 °C | 26.7 °C | 21.2 °C | 11.4 °C | 114.8 mm | 1.1 mm | — | — |
Data Visualisations
Remove WatermarksCurrent Year Climate Trends vs Historical
Max Temperature this Year | 1 of 6
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 6
Daily Data Points and Averages Throughout the Year
Average Max Temperature Throughout Year | 1 of 5
