Climate Design Data Workflow for Miami, FL

Direct answer

NASA POWER's 2001–2020 climatology at the Miami, FL reference point reports an annual mean 2 m temperature of 25.5 °C and relative humidity of 75.7%. The highest monthly maximum is 31.9 °C in July, while the lowest monthly minimum is 5.9 °C in January; these are screening statistics, not code design temperatures. The point response uses LST and the 20-year Meteorological and Solar Monthly & Annual Climatologies (January 2001 - December 2020); its annual corrected precipitation is 3.63 mm/day and annual 10 m wind speed is 4.93 m/s. Use the monthly series to screen source selection before applying project design conditions. NASA POWER is gridded climatology: verify elevation, microclimate, urban exposure, station or weather-file suitability, current code edition and the authority's required source before design use.

Content and cited inputs reviewed by Harth team · Published 2026-08-17 · Updated 2026-08-31.

Which climate inputs control the design?

1. Confirm the project jurisdiction and adopted energy-code edition.
2. Select the authoritative station and record why it applies.
3. Record heating dry-bulb percentiles and cooling dry-bulb with coincident moisture conditions.
4. Keep IP/SI units, edition, observation period and retrieval date with every value.
5. Separate climate-zone envelope requirements from HVAC sizing conditions.

Miami, FL NASA POWER monthly climate screening table

Month-by-month climate interpretation

• January: mean temperature 21.20 °C is 4.26 °C below the annual mean; the monthly max–min span is 20.99 °C. Relative humidity is 75.25% (0.43 points below annual), while corrected precipitation at 1.41 mm/day is 2.22 mm/day drier than the annual daily rate.
• February: mean temperature 22.13 °C is 3.33 °C below the annual mean; the monthly max–min span is 18.65 °C. Relative humidity is 75.47% (0.21 points below annual), while corrected precipitation at 1.73 mm/day is 1.90 mm/day drier than the annual daily rate.
• March: mean temperature 23.01 °C is 2.45 °C below the annual mean; the monthly max–min span is 18.34 °C. Relative humidity is 72.68% (3.00 points below annual), while corrected precipitation at 1.80 mm/day is 1.83 mm/day drier than the annual daily rate.
• April: mean temperature 24.68 °C is 0.78 °C below the annual mean; the monthly max–min span is 16.35 °C. Relative humidity is 72.57% (3.11 points below annual), while corrected precipitation at 2.53 mm/day is 1.10 mm/day drier than the annual daily rate.
• May: mean temperature 26.26 °C is 0.80 °C above the annual mean; the monthly max–min span is 11.90 °C. Relative humidity is 74.70% (0.98 points below annual), while corrected precipitation at 4.37 mm/day is 0.74 mm/day wetter than the annual daily rate.
• June: mean temperature 27.97 °C is 2.51 °C above the annual mean; the monthly max–min span is 7.50 °C. Relative humidity is 77.81% (2.13 points above annual), while corrected precipitation at 6.38 mm/day is 2.75 mm/day wetter than the annual daily rate.
• July: mean temperature 28.74 °C is 3.28 °C above the annual mean; the monthly max–min span is 6.78 °C. Relative humidity is 76.49% (0.81 points above annual), while corrected precipitation at 5.33 mm/day is 1.70 mm/day wetter than the annual daily rate.
• August: mean temperature 29.02 °C is 3.56 °C above the annual mean; the monthly max–min span is 5.73 °C. Relative humidity is 76.84% (1.16 points above annual), while corrected precipitation at 5.86 mm/day is 2.23 mm/day wetter than the annual daily rate.
• September: mean temperature 28.31 °C is 2.85 °C above the annual mean; the monthly max–min span is 8.30 °C. Relative humidity is 78.18% (2.50 points above annual), while corrected precipitation at 6.32 mm/day is 2.69 mm/day wetter than the annual daily rate.
• October: mean temperature 26.89 °C is 1.43 °C above the annual mean; the monthly max–min span is 14.49 °C. Relative humidity is 76.43% (0.75 points above annual), while corrected precipitation at 3.99 mm/day is 0.36 mm/day wetter than the annual daily rate.
• November: mean temperature 24.39 °C is 1.07 °C below the annual mean; the monthly max–min span is 16.32 °C. Relative humidity is 74.91% (0.77 points below annual), while corrected precipitation at 2.14 mm/day is 1.49 mm/day drier than the annual daily rate.
• December: mean temperature 22.78 °C is 2.68 °C below the annual mean; the monthly max–min span is 20.78 °C. Relative humidity is 76.86% (1.18 points above annual), while corrected precipitation at 1.64 mm/day is 1.99 mm/day drier than the annual daily rate.

Harth retrieved this point climatology from NASA POWER API v2.9.7 for location record us:miami-fl. It is a reproducible screening dataset, not an hourly weather file, forecast, code design condition or substitute for local professional review.

Where can you explore related guidance?

• Explore all climate data guidance
• ASHRAE / IECC Climate Zones Explained (Zones 1–8, A/B/C)
• Heating & Cooling Design Temperatures (99%, 1% / 0.4%)
• Climate Design Data Workflow for Atlanta, GA
• Climate Design Data Workflow for New Orleans, LA
• Sun Path & Solar Angles for Miami, FL

Sources and method

Licensed ASHRAE Climatic Design Information / Standard 169 station data plus the locally adopted energy code. Coordinates 25.7617° N (America/New_York) are approximate routing references. Figures are illustrative — confirm the representative station and current edition. Climate screening data from the NASA POWER Climatology API documentation and exact point response, retrieved 2026-08-31; source period: 20-year Meteorological and Solar Monthly & Annual Climatologies (January 2001 - December 2020). NASA POWER values are gridded screening statistics, not code design conditions or guaranteed local observations.

Source links

• power.larc.nasa.gov

• power.larc.nasa.gov