Weather in Alphen in May

General weather information about Alphen

Average annual temperature is 11.7 °C

Absolute maximum temperature: 32.4 °C

Absolute minimum temperature: -5.4 °C

Number of sunny days: 113 days

Number of rainy days: 251 days

Number of snow days: 1 day

Look at detailed online map of Alphen

* Weather data for Alphen Netherlands is based on climate observations for 2026 year

Alphen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.411.917.117.023.330.732.426.830.824.414.912.1
Average daytime temperature (°C)7.38.510.212.318.024.922.521.723.016.79.88.4
Average temperature (°C)5.25.16.98.413.319.918.417.818.213.47.46.4
Average night temperature (°C)3.02.03.64.18.114.214.013.813.510.45.04.2
Absolute minimum temperature (°C)-3.3-4.3-3.2-2.23.28.910.710.68.43.3-2.4-5.4

Alphen 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)8.410.011.913.915.616.516.114.612.710.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)3.44.15.18.011.412.811.010.49.25.83.82.0
Precipitation (mm)114181457861301009766129138110
Sunny days71258142047151038
Rainy days241526221710272415212723
Snow days010000000000

Alphen - weather forecast by months

Alphen weather in januaryAlphen weather in februaryAlphen weather in marchAlphen weather in aprilAlphen weather in mayAlphen weather in juneAlphen weather in julyAlphen weather in augustAlphen weather in septemberAlphen weather in octoberAlphen weather in novemberAlphen weather in december

Best time to visit Alphen:

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

  • May — 11.4(h)
  • June — 12.8(h)
  • July — 11.0(h)
  • August — 10.4(h)
  • September — 9.2(h)

Months with the longest average daylight duration in Alphen:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.1(h)

The largest precipitation sum in Alphen is at

  • January — 114(mm)
  • March — 145(mm)
  • October — 129(mm)
  • November — 138(mm)

    • Weather forecast in the closest to Alphen admin centers

    Weather forecast in the closest towns to Alphen

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    Frequently asked questions

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