United Arab Emirates climate exposure

Dubai Climate Exposure: Heat, Dust and Marine Exposure Risks

Dubai is a heat-dominated coastal arid environment where high temperature, dust and marine modifiers create a distinct durability profile.

Analyze Dubai
Climate exposure summary
CE-4Hot Marine Exposure
  • Extreme thermal exposure
  • Marine and dust modifiers
  • Corrosion risk under coastal contamination

Heat is the primary stressor. Marine dust is the secondary driver for reliability and field durability decisions.

CE classes describe overall environmental severity and are not equivalent to ISO corrosivity classes.

Dominant mechanismsExtreme heatMarine influenceDust and particulate exposure
Hot Arid CoastalModerate humidityCoastal marine exposure
Dubai25.205, 55.271
Engineering Climate Fingerprintâ„¢

Dubai environmental load barcode.

A normalized 0-100 matrix showing which exposure mechanisms dominate the deployment environment. Scores describe environmental load intensity, not failure probability.

ECF patternPrimary: Thermal · Secondary: Pollution
Humidity38Moderate
Condensation26Low
Thermal92Severe
Marine73High
Pollution89Severe
Freeze0Minimal
Humidity: Coastal RH episodesCondensation: Dew-point margin and cooling-surface contextThermal: Heat hours and high-temperature dwellMarine: Immediate coastline chloride guardrailPollution: CAMS SO2, PM and dust-related aerosol contextFreeze: Frost hours and freeze-thaw relevance
Typical Applications

Equipment categories where this climate profile is relevant.

Solar PVOutdoor EquipmentElectronicsInfrastructureBESSPower Electronics
Why this climate matters

Why Dubai climate matters

Extreme heat, marine influence and dust exposure create unique durability challenges for products deployed outdoors in Dubai.

Humidity exposure is lower than in tropical sites, but coastal dew points, cooling surfaces and salt-modified dust can still matter for enclosures, connectors and power electronics.

Dubai is especially relevant for solar, BESS and telecom equipment because thermal stress and atmospheric contamination can act together.

Engineering metrics

Exposure metrics that matter before deployment.

Climetry-derived indicators summarize environmental severity. ISO-derived indicators estimate material-related atmospheric corrosivity for metals such as carbon steel, zinc, copper and aluminum.

Climate Exposure SummaryHot coastal arid

Heat-dominated with marine and dust modifiers.

Corrosion RiskElevated

Coastal chloride proxy increases corrosion relevance.

Condensation RiskLow to moderate

Lower than tropical sites but relevant during humid coastal periods.

RH80 Hours1,373 h/year

CEY10 hourly representative-year humidity exposure above 80% RH.

RH90 Hours555 h/year

CEY10 extreme humidity exposure window.

Climate ClassificationHot Arid Coastal

Heat stress with coastal environmental modifiers.

Monthly climate profile

Dubai thermodynamic exposure by month.

Preview profiles show monthly min-max envelopes, P10-P90 percentile bands, and monthly means for the core thermodynamic variables.

Relative humidity

55 % annual mean

Humidity is episodic but coastal peaks can still matter.

24 %54 %83 %JanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
Air temperature

29.1 C annual mean

Strong summer heat load dominates thermal qualification.

9.4 C28.4 C47.4 CJanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
Absolute humidity

14.8 g/m3 annual mean

Absolute humidity rises sharply in the hot coastal season.

4.5 g/m315.7 g/m326.8 g/m3JanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
Dew point

17.8 C annual mean

Dew point peaks in summer, when cooling surfaces can face condensation risk.

3.5 C18.1 C32.8 CJanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
Hourly CEY engineering statistics

Dubai representative-year diagrams.

These figures are calculated from the local hourly Climetry Environmental Year and translate thermodynamic climate data into engineering-readable duration, cycle and moisture-risk views.

Dubai CEY10 temperature duration

CEY10 temperature duration

Dubai's 1 C temperature-duration histogram is calculated from the selected hourly CEY10 source months. It shows how long products experience each outdoor temperature band during the representative year.

Dubai CEY10 relative humidity duration

CEY10 relative humidity duration

The RH duration histogram translates relative humidity into annual exposure hours. It supports moisture-sensitive electronics, coating, connector and enclosure screening.

Dubai Temperature x RH occurrence

Temperature x RH occurrence

The joint duration heatmap shows which temperature and humidity combinations occur together. This is more useful for durability screening than separate annual averages.

Dubai Psychrometric moisture density

Psychrometric moisture density

The psychrometric density view connects dry-bulb temperature with absolute humidity and helps identify moisture-rich operating conditions and drying limitations.

Dubai P05 / P50 / P95 thermodynamic profile

P05 / P50 / P95 thermodynamic profile

The percentile profile summarizes the representative spread of temperature, dew point, relative humidity, absolute humidity and dew-point margin.

Dubai Representative moisture-risk week

Representative moisture-risk week

The selected high-risk week highlights periods with elevated humidity, absolute humidity and small dew-point spread. It is a screening view for condensation and moisture-ingress relevance.

Dubai Daily temperature cycle histogram

Daily temperature cycle histogram

Daily temperature-cycle statistics provide engineering input for thermomechanical reliability assessments, enclosure breathing and gasket stress screening.

Dubai Heating-design cold-week histogram

Heating-design cold-week histogram

The cold-week temperature histogram is useful for heating-load screening in temperate and cold climates. In tropical climates it confirms low heating-design relevance.

Definitions

Terms used on this page.

CE class

A Climetry Exposure Class is a location-based environmental severity class for durability screening.

CE classes summarize humidity, condensation potential, marine influence, pollution context and thermal exposure. They are not ISO 9223 corrosivity classes.

RH80 exposure

RH80 exposure is the number of hours where relative humidity is at least 80%.

It is useful for identifying persistent moisture exposure relevant to electronics, coatings, connectors, enclosures and atmospheric corrosion screening.

Condensation potential

Condensation potential indicates conditions where surface wetting risk is elevated.

It is derived from temperature, dew point and humidity context. It is a screening indicator, not a measurement on a specific product surface.

CAMS atmospheric aggressiveness

Pollution and chloride modifiers for corrosion screening.

CAMS monthly atmospheric composition is translated into transparent screening ratings for marine aerosol, pollution, chloride proxy, and regional SO2 background context.

Marine AerosolLow

CAMS marine aerosol is low, but immediate coastal distance keeps chloride high.

Pollution ModifierSevere

Regional SO2 background, sulphate, PM and NO2 proxies are strong atmospheric modifiers.

Chloride ProxyS2

Coastline guardrail prevents underestimating marine corrosion exposure.

SO2 BackgroundP3

CAMS indicates severe regional sulphur background; local industrial sources are not resolved.

CAMS BasisMonthly

Monthly aerosols capture seasonal coastal and dust-related changes.

Corrosion DriverHeat + chloride

High temperature can accelerate humidity and salt-driven degradation.

Monthly atmospheric profile

Dubai CAMS modifiers by month.

Preview profiles show monthly screening envelopes for CAMS-derived marine aerosol, regional SO2 background, particulate pollution, combined pollution, and chloride proxy indicators.

Marine aerosol

16 /100 annual mean

Marine aerosol is low in CAMS, while coastline distance remains the chloride guardrail.

0 /10023 /10047 /100JanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
Regional SO2 background

88 /100 annual mean

Regional SO2 background is high through most of the year in CAMS, with local uncertainty.

60 /10082 /100103 /100JanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
PM2.5 exposure

81 /100 annual mean

PM2.5 proxy reflects urban and dust-related atmospheric load.

49 /10076 /100104 /100JanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
Pollution modifier

89 /100 annual mean

Combined pollution modifier is severe and peaks in summer.

63 /10083 /100103 /100JanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
Chloride proxy

150.000 mg/m2/day annual mean

Chloride proxy is S2 because the site is close to the coastline.

133.760 mg/m2/day150.000 mg/m2/day166.240 mg/m2/dayJanFebMarAprMayJunJulAugSepOctNovDec
Min-max P10-P90 Mean
Environmental Data Confidence

ERA5 climate data show consistent long-term environmental agreement.

The environmental indicators presented on this page are derived from ERA5 climate data.

ERA5 thermodynamic variables have been compared against long-term airport weather station observations across multiple climate regions.

The comparison demonstrates good agreement between ERA5 and measured environmental conditions.

TemperatureRMSE 1.15 °C
Dew pointRMSE 1.20 °C
Relative humidityRMSE 5.48 %-points

These comparisons evaluate long-term environmental representativeness and not individual weather events.

Local Station Consistency

Dubai: ERA5 vs Weather Station Observations

Monthly thermodynamic comparison against Dubai International Airport (OMDB) weather observations for 2025.

TemperatureRMSE 1.58 C
Dew pointRMSE 2.12 C
Relative humidityRMSE 9.42 %-points
Meteostat monthly valuesERA5 monthly values
City-specific comparison against Dubai International Airport (OMDB). The chart is schematic; the RMSE values above are calculated from monthly station-versus-ERA5 2025 data.Read methodology
Report preview

Dubai exposure report structure.

The full report combines climate classification, corrosion screening, condensation exposure, RH80/RH90 hours, marine context, monthly profiles, and reliability implications.

Climate ClassificationHot Arid CoastalClimate zone
Climetry Exposure Class (CE)CE-4Environmental severity
Corrosion ScreeningElevatedISO-derived indicator
Condensation RiskLow to moderateMoisture
RH80 Hours1,373 h/yearWet-hour proxy
RH90 Hours555 h/yearExtreme humidity

Reliability implications for Dubai

High humidity and condensation exposure may result in a severe Climetry Exposure Class even if atmospheric metal corrosivity remains moderate. CE classes indicate environmental severity and qualification relevance, not failure probability.

  • Thermal management and UV/heat qualification should be primary design considerations.
  • Marine and dust exposure can still drive connector, enclosure, and surface degradation near the coast.
  • Use combined heat and humidity screening for outdoor electronics and battery-adjacent equipment.
Learn More

Engineering context behind the city exposure pages.

Interactive assessment

Understand your own environmental exposure.

Analyze any location worldwide and compare humidity, condensation and environmental severity.

FAQ

Frequently asked questions

What does CE-4 mean for Dubai?

CE-4 is a Climetry Exposure Class. It describes overall environmental severity for durability screening and qualification support at this location.

Is this a corrosion prediction?

No. The page provides environmental exposure screening. Corrosion indicators are engineering screening outputs, not failure probability and not a product-specific lifetime prediction.

How reliable are the climate data?

The indicators are derived from ERA5 climate data. ERA5 thermodynamic variables have been compared against representative airport weather observations and show good monthly agreement for temperature, dew point and relative humidity.

What is the difference between CE class and ISO corrosivity?

CE classes describe overall environmental severity. ISO 9223 corrosivity classes describe material-related atmospheric corrosivity categories. They are related but not equivalent.

How does Climetry use ERA5?

Climetry uses ERA5 temperature, dew point and pressure fields to derive relative humidity, absolute humidity and environmental exposure indicators for engineering interpretation.