Climate for Station: Cyril e King Ap, Saint Thomas, Virgin Islands [United States]
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Climate Analysis & Overview
Cyril E. King Airport in the United States Virgin Islands is experiencing a warming trend, with both high and low temperatures rising over time. The precipitation pattern has become more even, suggesting a shift in rainfall distribution. This aligns with regional climate goals to adapt to changing weather patterns.
Tropical Maritime Climate Dynamics
Cyril E. King Airport, located at 18.3364°N, -64.98°W in the United States Virgin Islands, falls under the Tropical Monsoon climate classification (Am) according to the Köppen system. The local geography, characterised by its proximity to the Caribbean Sea, influences the climate with warm temperatures and significant rainfall. The airport's climate is shaped by oceanic currents and trade winds, which moderate temperature extremes.
Temperature Trends and Variability
Over the past decade, the area has experienced a warming trend, with high temperatures increasing by 0.15°C (0.27°F) and low temperatures by 0.39°C (0.70°F). This short-term trend is more pronounced than the all-time trend, where highs have risen by 0.02°C (0.04°F) and lows by 0.25°C (0.45°F). The increase in low temperatures suggests a notable warming of the nights, which may impact local ecosystems and human comfort.
Record-Breaking Extremes
The absolute temperature records at Cyril E. King Airport reveal a maximum temperature of 37.2°C (98.96°F) and a minimum of 15.0°C (59.0°F). These records highlight the potential for extreme heat events, which can pose challenges for infrastructure and health. The Virgin Islands' regional climate goals include adapting to such extremes by enhancing cooling systems and public health responses.
Precipitation Patterns and Distribution
The Precipitation Concentration Index (PCI) has shifted from a baseline of 12.7 to a current value of 11.1, indicating a more even distribution of rainfall events over time. This marginal change suggests that rainfall is becoming less concentrated in intense events, potentially reducing the risk of flooding and erosion. This trend aligns with regional efforts to manage water resources more effectively in the face of climate variability.
Regional Climate Goals and Adaptation
The United States Virgin Islands have set ambitious climate goals to enhance resilience against climate change. Recent weather events, such as hurricanes and tropical storms, underscore the need for robust adaptation strategies. The warming trends and evolving precipitation patterns at Cyril E. King Airport provide critical data to inform these strategies, ensuring that the region remains prepared for future climatic shifts.
Station Statistics
10-Year Trend
High: +0.15 °C/decade
Low: +0.39 °C/decade
Rain: +0.02 mm/decade
25-Year Trend
High: +0.27 °C/decade
Low: +0.34 °C/decade
Rain: -0.62 mm/decade
50-Year Trend
High: -0.21 °C/decade
Low: +0.34 °C/decade
Rain: -0.27 mm/decade
All-Time Trend
High: +0.02 °C/decade
Low: +0.25 °C/decade
Rain: -0.11 mm/decade
Percentage Above-Average Days
Last 12 Months: 75.3%
This Year: 83.0%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 11.1
Historical Average: 12.7
Percentile Rank of Last 12 Months ℹ️
High: 78th percentile
Low: 97th percentile
Rain: 27th percentile
Change in Variance ℹ️
High: -12.6%
Low: -3.6%
Intraday: -44.0%
Data Coverage
81.8%
First Year of Data
1953
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 | 37.2 °C | — | 23.3 °C | 31.4 °C | — | 21.2 °C | 31.1 °C | — | 15.0 °C | 301.2 mm | — | 33.0 mm | — |
| January | 33.9 °C | 28.9 °C | 23.9 °C | 28.2 °C | 25.4 °C | 21.5 °C | 26.7 °C | 22.5 °C | 17.2 °C | 47.0 mm | 1.6 mm | 0.0 mm | 0.0 mm |
| February | 33.9 °C | 29.0 °C | 23.9 °C | 28.1 °C | 25.4 °C | 22.5 °C | 26.7 °C | 22.5 °C | 16.7 °C | 38.9 mm | 1.6 mm | 0.0 mm | 0.0 mm |
| March | 35.6 °C | 29.3 °C | 23.3 °C | 28.6 °C | 25.6 °C | 21.2 °C | 27.2 °C | 22.7 °C | 15.0 °C | 65.5 mm | 1.5 mm | 0.0 mm | 0.0 mm |
| April | 35.6 °C | 29.9 °C | 25.0 °C | 29.4 °C | 26.4 °C | 21.7 °C | 28.9 °C | 23.6 °C | 18.3 °C | 58.9 mm | 2.0 mm | 0.0 mm | 0.0 mm |
| May | 36.1 °C | 30.5 °C | 25.0 °C | 31.4 °C | 27.3 °C | 22.6 °C | 28.5 °C | 24.7 °C | 18.9 °C | 269.7 mm | 3.5 mm | 0.0 mm | 0.0 mm |
| June | 37.2 °C | 31.5 °C | 27.2 °C | 31.1 °C | 28.3 °C | 24.3 °C | 30.6 °C | 25.5 °C | 19.4 °C | 64.3 mm | 2.6 mm | 0.0 mm | 0.0 mm |
| July | 36.7 °C | 31.9 °C | 27.2 °C | 30.6 °C | 28.5 °C | 25.0 °C | 28.9 °C | 25.7 °C | 20.0 °C | 47.8 mm | 2.8 mm | 0.0 mm | 0.0 mm |
| August | 37.2 °C | 32.0 °C | 26.7 °C | 31.2 °C | 28.6 °C | 25.0 °C | 31.1 °C | 25.8 °C | 19.4 °C | 102.9 mm | 3.5 mm | 0.0 mm | 0.0 mm |
| September | 35.6 °C | 31.6 °C | 27.1 °C | 30.9 °C | 28.4 °C | 24.1 °C | 29.0 °C | 25.5 °C | 17.8 °C | 301.2 mm | 5.2 mm | 0.0 mm | 0.0 mm |
| October | 36.1 °C | 31.2 °C | 25.6 °C | 30.6 °C | 27.9 °C | 23.6 °C | 29.4 °C | 25.0 °C | 17.8 °C | 137.2 mm | 4.6 mm | 0.0 mm | 0.0 mm |
| November | 35.0 °C | 30.3 °C | 24.4 °C | 30.0 °C | 27.0 °C | 22.8 °C | 28.3 °C | 24.2 °C | 19.4 °C | 72.8 mm | 4.0 mm | 33.0 mm | 0.0 mm |
| December | 33.3 °C | 29.5 °C | 24.4 °C | 28.8 °C | 26.0 °C | 22.1 °C | 27.3 °C | 23.1 °C | 16.7 °C | 126.0 mm | 2.3 mm | 0.0 mm | 0.0 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
