Weather in Heyan in May

General weather information about Heyan

Average annual temperature is 2.6 °C

Absolute maximum temperature: 32.8 °C

Absolute minimum temperature: -39.6 °C

Number of sunny days: 206 days

Number of rainy days: 123 days

Number of snow days: 36 days

Look at detailed online map of Heyan

* Weather data for Heyan China is based on climate observations for 2026 year

Heyan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)-2.45.016.121.029.132.830.931.429.320.32.5-0.8
Average daytime temperature (°C)-19.0-9.54.410.419.123.827.025.119.210.5-6.8-16.7
Average temperature (°C)-23.7-14.7-1.04.613.018.822.520.914.45.9-10.0-20.4
Average night temperature (°C)-28.9-20.6-5.7-0.57.814.518.617.610.21.9-14.0-24.8
Absolute minimum temperature (°C)-39.6-29.7-13.6-2.70.76.915.514.15.5-7.0-22.0-34.5

Heyan monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.710.111.913.715.316.215.814.412.610.89.28.3
Daylight minimum duration (h)8.09.010.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)6.58.38.98.610.19.510.68.48.77.85.66.1
Precipitation (mm)3219246414513620910033258
Sunny days262022211468611252225
Rainy days00281724232519500
Snow days587100000186

Heyan - weather forecast by months

Heyan weather in januaryHeyan weather in februaryHeyan weather in marchHeyan weather in aprilHeyan weather in mayHeyan weather in juneHeyan weather in julyHeyan weather in augustHeyan weather in septemberHeyan weather in octoberHeyan weather in novemberHeyan weather in december

Best time to visit Heyan:

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

  • July — 10.6(h)

Months with the longest average daylight duration in Heyan:

  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Heyan is at

  • June — 145(mm)
  • July — 136(mm)
  • August — 209(mm)
  • September — 100(mm)

    • Weather forecast in the closest to Heyan admin centers

    Weather forecast in the closest towns to Heyan

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    Frequently asked questions

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