Weather in Riol in April

General weather information about Riol

Average annual temperature is 12.1 °C

Absolute maximum temperature: 33.6 °C

Absolute minimum temperature: -5.4 °C

Number of sunny days: 120 days

Number of rainy days: 239 days

Number of snow days: 6 days

Look at detailed online map of Riol

* Weather data for Riol Germany is based on climate observations for 2026 year

Riol air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.413.616.118.924.230.733.630.330.425.415.211.6
Average daytime temperature (°C)6.68.410.913.319.226.224.623.424.117.49.77.7
Average temperature (°C)4.74.87.38.914.220.820.018.918.713.47.56.0
Average night temperature (°C)2.81.73.74.38.814.714.914.613.79.75.34.2
Absolute minimum temperature (°C)-4.5-5.4-3.2-2.33.610.310.49.77.31.4-3.3-4.6

Riol monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.710.111.913.815.416.315.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)2.35.55.78.611.313.310.39.510.15.93.12.0
Precipitation (mm)111141097157321041303810314184
Sunny days5167713219719916
Rainy days21122423189222411222924
Snow days500000000001

Riol - weather forecast by months

Riol weather in januaryRiol weather in februaryRiol weather in marchRiol weather in aprilRiol weather in mayRiol weather in juneRiol weather in julyRiol weather in augustRiol weather in septemberRiol weather in octoberRiol weather in novemberRiol weather in december

Best time to visit Riol:

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

  • May — 11.3(h)
  • June — 13.3(h)
  • July — 10.3(h)
  • August — 9.5(h)
  • September — 10.1(h)

Months with the longest average daylight duration in Riol:

  • May — 15.4(h)
  • June — 16.3(h)
  • July — 15.8(h)

The largest precipitation sum in Riol is at

  • January — 111(mm)
  • March — 109(mm)
  • August — 130(mm)
  • November — 141(mm)

    • Weather forecast in the closest to Riol admin centers

    Weather forecast in the closest towns to Riol

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    Frequently asked questions

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