Best year time to visit Dem

General weather information about Dem

Average annual temperature is 15.9 °C

Absolute maximum temperature: 34.4 °C

Absolute minimum temperature: 0.8 °C

Number of sunny days: 174 days

Number of rainy days: 191 days

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* Weather data for Dem Portugal is based on climate observations for 2026 year

Dem air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.720.822.125.828.229.330.134.431.030.919.417.0
Average daytime temperature (°C)13.315.816.119.822.124.223.925.723.622.116.914.2
Average temperature (°C)9.810.012.615.417.520.220.021.619.718.714.211.0
Average night temperature (°C)6.55.39.310.813.016.416.117.616.315.712.08.1
Absolute minimum temperature (°C)1.00.81.16.210.213.813.814.611.710.87.71.7

Dem monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.510.611.913.414.615.214.913.812.511.19.89.2
Daylight minimum duration (h)9.010.011.012.014.015.014.013.011.010.09.09.0
Sunshine mean duration (h)5.99.27.39.911.712.112.411.49.76.54.85.2
Precipitation (mm)2771424962901252852147538362318
Sunny days1221915151320251111913
Rainy days1972215161711619202118
Snow days000000000000

Dem - weather forecast by months

Dem weather in januaryDem weather in februaryDem weather in marchDem weather in aprilDem weather in mayDem weather in juneDem weather in julyDem weather in augustDem weather in septemberDem weather in octoberDem weather in novemberDem weather in december

Best time to visit Dem:

The best time to visit Dem during the most sunny months:

  • May — 11.7(h)
  • June — 12.1(h)
  • July — 12.4(h)
  • August — 11.4(h)

The largest precipitation sum in Dem is at

  • January — 277(mm)
  • March — 249(mm)
  • October — 538(mm)
  • November — 362(mm)
  • December — 318(mm)

    • Weather forecast in the closest to Dem admin centers

    Weather forecast in the closest towns to Dem

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    Frequently asked questions

    When is the best time to visit Dem?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Dem.
    What is the weather like in Dem?
    See average temperature, rainfall and daylight hours for Dem by month in the table above.
    How many sunny days does Dem have?
    The monthly weather statistics above show sunshine and rainfall patterns for Dem throughout the year.