Climate Design Data: Derby, UK

Direct answer

NASA POWER's 2001–2020 climatology at the Derby reference point reports an annual mean 2 m temperature of 9.3 °C and relative humidity of 87.3%. The highest monthly maximum is 31.5 °C in July, while the lowest monthly minimum is -9.3 °C in February; 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 2.13 mm/day and annual 10 m wind speed is 5.02 m/s. For climate design data, use the 31.5 °C and -9.3 °C monthly extrema to screen seasonal exposure, then obtain the adopted percentile 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.

Prepared by Harth · Harth transformed the cited NASA POWER climatology into this screening table; project design conditions and local applicability remain unreviewed · Published 2026-08-26 · Updated 2026-08-31.

What must be verified for Derby?

Derby is represented here at approximately 52.9228, -1.4766 for discovery and workflow planning. A project address, parcel, elevation, exposure, authority, and submission date must replace that city-centre reference before design use.

How should climate design data be established?

1. Fix the surveyed site and local time basis.
2. Select an authoritative weather source or a named solar-position algorithm.
3. Record period, percentile or scenario and units.
4. Test sensitivity to elevation, exposure, urban form and horizon.
5. Save the source file, retrieval date and checker in the model record.

What are the limits of this worksheet?

This climate-design-workflow page is a project-starting worksheet, not a design value or approval. The controlling authority and qualified professionals for the Derby site remain authoritative.

Which related searches does this primary location record cover?

This primary route consolidates the location evidence needed for Climate Design Data, Weather File Guide, Overheating Weather Data, Building Climate Checklist. A narrower route should be released only when it adds a materially different official source, calculation, process, threshold or worked example.

Derby NASA POWER monthly climate screening table

Derby ranked monthly climate fingerprint

• Derby mean temperature, highest to lowest: July 16.13 °C, August 15.77 °C, June 14.32 °C, September 13.29 °C, May 11.21 °C, October 10.06 °C, April 8.03 °C, November 6.31 °C, March 5.24 °C, December 3.96 °C, February 3.52 °C, January 3.38 °C.
• Derby monthly maximum, highest to lowest: July 31.54 °C, August 29.06 °C, June 27.68 °C, September 27.19 °C, May 25.32 °C, October 25.28 °C, April 23.24 °C, March 19.10 °C, November 18.05 °C, February 16.18 °C, December 13.65 °C, January 13.00 °C.
• Derby monthly minimum, highest to lowest: July 5.99 °C, August 4.71 °C, June 2.90 °C, September 2.86 °C, May -1.07 °C, October -2.94 °C, April -3.65 °C, November -4.68 °C, March -5.44 °C, January -6.73 °C, December -9.00 °C, February -9.28 °C.
• Derby relative humidity, highest to lowest: December 95.56 %, January 94.61 %, November 94.01 %, February 91.88 %, October 89.71 %, March 87.38 %, September 85.00 %, April 83.61 %, August 82.55 %, June 81.14 %, July 81.09 %, May 81.07 %.
• Derby corrected precipitation, highest to lowest: July 2.52 mm/day, October 2.52 mm/day, August 2.50 mm/day, June 2.48 mm/day, November 2.38 mm/day, December 2.23 mm/day, January 2.02 mm/day, May 1.95 mm/day, February 1.89 mm/day, September 1.84 mm/day, March 1.67 mm/day, April 1.60 mm/day.
• Derby 10 m wind speed, highest to lowest: January 5.87 m/s, February 5.71 m/s, December 5.52 m/s, March 5.35 m/s, November 5.32 m/s, October 5.26 m/s, May 4.74 m/s, April 4.73 m/s, September 4.67 m/s, August 4.51 m/s, June 4.34 m/s, July 4.30 m/s.

Derby month-to-month screening ledger

• Derby January: mean 3.38 °C, change from December -0.58 °C; max–min span 19.73 °C; humidity 94.61%, change -0.95 points; precipitation 2.02 mm/day; wind 5.87 m/s.
• Derby February: mean 3.52 °C, change from January +0.14 °C; max–min span 25.46 °C; humidity 91.88%, change -2.73 points; precipitation 1.89 mm/day; wind 5.71 m/s.
• Derby March: mean 5.24 °C, change from February +1.72 °C; max–min span 24.54 °C; humidity 87.38%, change -4.50 points; precipitation 1.67 mm/day; wind 5.35 m/s.
• Derby April: mean 8.03 °C, change from March +2.79 °C; max–min span 26.89 °C; humidity 83.61%, change -3.77 points; precipitation 1.60 mm/day; wind 4.73 m/s.
• Derby May: mean 11.21 °C, change from April +3.18 °C; max–min span 26.39 °C; humidity 81.07%, change -2.54 points; precipitation 1.95 mm/day; wind 4.74 m/s.
• Derby June: mean 14.32 °C, change from May +3.11 °C; max–min span 24.78 °C; humidity 81.14%, change +0.07 points; precipitation 2.48 mm/day; wind 4.34 m/s.
• Derby July: mean 16.13 °C, change from June +1.81 °C; max–min span 25.55 °C; humidity 81.09%, change -0.05 points; precipitation 2.52 mm/day; wind 4.30 m/s.
• Derby August: mean 15.77 °C, change from July -0.36 °C; max–min span 24.35 °C; humidity 82.55%, change +1.46 points; precipitation 2.50 mm/day; wind 4.51 m/s.
• Derby September: mean 13.29 °C, change from August -2.48 °C; max–min span 24.33 °C; humidity 85.00%, change +2.45 points; precipitation 1.84 mm/day; wind 4.67 m/s.
• Derby October: mean 10.06 °C, change from September -3.23 °C; max–min span 28.22 °C; humidity 89.71%, change +4.71 points; precipitation 2.52 mm/day; wind 5.26 m/s.
• Derby November: mean 6.31 °C, change from October -3.75 °C; max–min span 22.73 °C; humidity 94.01%, change +4.30 points; precipitation 2.38 mm/day; wind 5.32 m/s.
• Derby December: mean 3.96 °C, change from November -2.35 °C; max–min span 22.65 °C; humidity 95.56%, change +1.55 points; precipitation 2.23 mm/day; wind 5.52 m/s.

Harth retrieved this point climatology from NASA POWER API v2.9.7 for location record 2651347. The ranked fingerprint and transition ledger preserve Derby's monthly order and successive changes for source comparison. This 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
• Climate Design Data: Nottingham, UK
• Climate Design Data: Leicester, UK
• Climate Design Data: Sheffield, UK
• Climate Design Data: Coventry, UK
• All climate & energy design data guidance for United Kingdom
• Sun Path: Derby, UK

Sources and method

Location data from the GeoNames GB dump (CC BY 4.0, snapshot 2026-08-31, GeoNames ID 2651347). Regulatory starting point: UK and devolved building-control authorities. Figures are illustrative — verify against the current locally adopted edition for the site. 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

• download.geonames.org

• gov.uk

• power.larc.nasa.gov

• power.larc.nasa.gov