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Park climate1991–2020 climate normals160 m source elevationNASA POWER

Detailed monthly climate analysis based on representative coordinate measurements from 1991 to 2020.

Grotte Marie-Jeanne Climate Normals: Twelve Month Atmospheric Data and Regional Trends

The climate profile for Grotte Marie-Jeanne provides a structured look at monthly atmospheric conditions through NASA POWER data. Covering a thirty year climatology period, these values offer a clear view of temperature fluctuations, precipitation rates, humidity levels, wind speeds, and daylight duration at a representative coordinate. Such consistent data highlights the annual rhythmic patterns of this natural monument without relying on short term forecasts or current weather reports.

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Annual climate pattern

Long-term thermal range and average daily precipitation cycles across all twelve months

Grotte Marie-Jeanne Annual Climate Normals, Monthly Average Temperatures and Precipitation Patterns

Grotte Marie-Jeanne records average monthly temperatures moving steadily through the year alongside parallel average daily precipitation rates from 1991 to 2020. These long-term climatology normals reflect baseline temperature and moisture values sampled at a single representative coordinate.
Mean temperatureAverage minimum–maximum rangePrecipitation
Temperature (°C)PrecipitationUp to 3.5 mm/day20°25°30°35°26°26°26°27°28°28°28°29°28°28°27°26°012341.210.812.62.122.63.13.52.71.4JanFebMarAprMayJunJulAugSepOctNovDec
Annual mean
27.2 °C
Warmest month
August
Coolest month
January
Wettest month
October
Twelve-month climate

Analyze average temperature bounds, daily precipitation rates, humidity, wind speed, and daylight hours across the annual calendar.

Grotte Marie-Jeanne Weather by Month: Complete Twelve-Month Climate Comparison

Examine twelve months of baseline climate normals for Grotte Marie-Jeanne derived from long-term observations at a representative coordinate. Comparing average temperature shifts alongside precipitation rates, humidity levels, wind speeds, and calculated daylight provides complete analytical depth.
Mean temperaturePrecipitationHumidityWind speedDaylight
January25.6 °C22.5° to 29.3°1.2 mm/day71.7%4.7 m/s11 hours
February25.8 °C22.6° to 29.5°1 mm/day69.9%4.5 m/s11.4 hours
March26.1 °C22.7° to 30°0.8 mm/day68.6%4.5 m/s11.9 hours
April27 °C23.7° to 30.9°1 mm/day68.1%4.2 m/s12.4 hours
May27.6 °C24.7° to 31.2°2.6 mm/day71.5%4.2 m/s12.9 hours
June28.1 °C25.5° to 31.7°2.1 mm/day73.4%4.4 m/s13.1 hours
July28.5 °C25.8° to 32°2 mm/day72.2%3.9 m/s13 hours
August28.5 °C26.2° to 32°2.6 mm/day73%3.8 m/s12.6 hours
September28.3 °C25.9° to 31.8°3.1 mm/day74.1%3.4 m/s12.1 hours
October27.7 °C25.4° to 30.9°3.5 mm/day76.1%3.8 m/s11.6 hours
November26.9 °C24.3° to 30.3°2.7 mm/day75.2%4.5 m/s11.1 hours
December26.2 °C23.3° to 29.7°1.4 mm/day73.1%4.6 m/s10.9 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
January: 25.6 °C
August: 28.5 °C
Change from January to August: +2.9 °C
Precipitation
January: 1.2 mm/day
August: 2.6 mm/day
Change from January to August: +1.4 mm/day
Daylight
January: 11 hours
August: 12.6 hours
Change from January to August: +1.6 hours
Calculated climate highlights

Comparative monthly averages derived from long-term climatology records in Finland

Grotte Marie-Jeanne Monthly Climate Highlights: Calculated Temperature, Precipitation, and Daylight Normals

Calculated monthly normals establish comparative highs and lows for temperature, precipitation, humidity, wind, and daylight duration across the representative coordinate. Stored climatology values summarize annual patterns rather than recording observed weather extremes or local anomalies.
Warmest month
August28.5 °C
Coolest month
January25.6 °C
Wettest month
October3.5 mm/day
Driest month
March0.8 mm/day
Most humid month
October76.1%
Windiest month
January4.7 m/s
Longest daylight
June13.1 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map
Other park climates

Explore long-term monthly weather patterns and environmental profiles across diverse protected landscapes

Compare Grotte Marie-Jeanne Climate Normals With Other Protected Areas

Standardized monthly climate comparisons for Grotte Marie-Jeanne and other protected areas reveal distinct atmospheric rhythms across varied geographic settings. Evaluating long-term temperature, precipitation, humidity, wind, and daylight records offers broad insight into regional environmental variations.
MoriAtlas Explorer

Explore the Grotte Marie-Jeanne Subterranean Landscape and Karst Geography

Navigate the complex galleries and geological boundaries of Grotte Marie-Jeanne. Use this MoriAtlas destination to examine the three-level limestone structure, unique speleothem formations, and the interplay between natural karst terrain and historical human heritage sites in southern Haiti.

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