Climate profileAntigua and Barbuda
Fort Barrington
- Annual mean
- 27 °C
- Warmest month
- September
- Wettest month
- October
Park climate1991–2020 climate normals4 m source elevationNASA POWER
Review long-term temperature, precipitation, humidity, wind, and daylight patterns by month.
Green Castle Hill National Park Climate Profile: Monthly Averages and Atmospheric Data
Explore the representative 1991 to 2020 monthly climate normals for Green Castle Hill, Antigua and Barbuda. This data provides a year-round overview of average temperature, daily precipitation rates, relative humidity, wind speed, and daylight hours at a single reference coordinate, serving as a baseline for understanding the park climate pattern over three decades.
Annual climate pattern
Long term monthly thermal range and average daily precipitation tracking across twelve calendar months
Green Castle Hill Annual Climate Normals, Monthly Average Temperatures and Precipitation Patterns
Green Castle Hill experiences steady average monthly temperatures ranging from a minimum average of 24.08 degrees Celsius in early months to a maximum average of 29.5 degrees Celsius in late months, reflecting consistent thermal baselines. Average daily precipitation rates move alongside these monthly values, recorded from 1.14 millimeters per day up to 5.06 millimeters per day across the twelve month period.
- Annual mean
- 27 °C
- Warmest month
- September
- Coolest month
- February
- Wettest month
- October
Twelve-month climate
Analyze long-term temperature bounds, average daily precipitation, and atmospheric normals across the calendar year
Green Castle Hill Weather by Month: Complete Twelve-Month Climate Comparison
Comparing all twelve monthly records across a representative coordinate provides a precise look at long-term climate patterns for average temperatures, daily precipitation rates, and atmospheric humidity. Reviewing these multi-variable averages helps track shifts in wind speeds and calculated daylight hours throughout the annual cycle.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 25.8 °C24.3° to 27° | 1.4 mm/day | 75.6% | 7.3 m/s | 11.1 hours |
| February | 25.5 °C24.1° to 26.8° | 1.2 mm/day | 74.9% | 7.2 m/s | 11.4 hours |
| March | 25.6 °C24.1° to 27° | 1.1 mm/day | 75% | 6.6 m/s | 11.9 hours |
| April | 26.3 °C24.7° to 27.8° | 1.6 mm/day | 76.1% | 6.5 m/s | 12.4 hours |
| May | 27 °C25.6° to 28.4° | 2.9 mm/day | 78.2% | 6.6 m/s | 12.8 hours |
| June | 27.7 °C26.5° to 28.7° | 2.9 mm/day | 78.2% | 7.3 m/s | 13 hours |
| July | 27.9 °C26.7° to 28.9° | 3.4 mm/day | 78.4% | 7.6 m/s | 12.9 hours |
| August | 28.2 °C27° to 29.3° | 3.9 mm/day | 78.7% | 6.8 m/s | 12.6 hours |
| September | 28.3 °C27° to 29.5° | 5 mm/day | 79% | 5.8 m/s | 12.1 hours |
| October | 28 °C26.6° to 29.2° | 5.1 mm/day | 79% | 5.6 m/s | 11.6 hours |
| November | 27.3 °C25.8° to 28.6° | 4.4 mm/day | 78.3% | 6.2 m/s | 11.2 hours |
| December | 26.5 °C25.1° to 27.7° | 2.4 mm/day | 76.5% | 7 m/s | 11 hours |
Compare two months
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
- Mean temperature
- February: 25.5 °C
- September: 28.3 °C
- Change from February to September: +2.8 °C
- Precipitation
- February: 1.2 mm/day
- September: 5 mm/day
- Change from February to September: +3.7 mm/day
- Daylight
- February: 11.4 hours
- September: 12.1 hours
- Change from February to September: +0.6 hours
Calculated climate highlights
Calculated monthly comparisons of temperature, precipitation, humidity, wind, and daylight duration across the park coordinate
Green Castle Hill Monthly Climate Highlights: Warmest, Coolest, and Wettest Averages
Calculated monthly normals establish comparative highs and lows for temperature, precipitation, humidity, wind, and daylight across Green Castle Hill. These statistical baselines reflect long-term averages from NASA power records rather than observed weather events or park-wide extremes.
- Warmest month
- September28.3 °C
- Coolest month
- February25.5 °C
- Wettest month
- October5.1 mm/day
- Driest month
- March1.1 mm/day
- Most humid month
- September79%
- Windiest month
- July7.6 m/s
- Longest daylight
- June13 hours
Interactive climate map
National park climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Other park climates
Analyze monthly temperature, precipitation, and wind patterns across diverse geographic settings.
Comparing Green Castle Hill Climate Normals With Other Protected Areas
Examine long-term monthly temperature normals and precipitation rhythms across different protected landscapes to evaluate atmospheric variety. Compare standardized weather records across regional settings to trace distinct climatic conditions without assuming equivalent elevations or matching environments.
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MoriAtlas Explorer
Explore the Geographic Boundaries of Green Castle Hill National Park
Uncover the topographic character and protected status of Green Castle Hill within the MoriAtlas database. Gain a deeper understanding of this Shekerley Mountains volcanic feature, its pre-Columbian stone history, and its physical connection to the broader geography of Antigua and Barbuda.
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