Best year time to visit Blenheim

General weather information about Blenheim

Average annual temperature is 13.3 °C

Absolute maximum temperature: 36.3 °C

Absolute minimum temperature: -10.6 °C

Number of sunny days: 170 days

Number of rainy days: 191 days

Number of snow days: 4 days

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* Weather data for Blenheim United States is based on climate observations for 2026 year

Blenheim air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.921.422.429.228.033.935.333.136.327.421.916.6
Average daytime temperature (°C)8.610.211.419.421.826.430.028.925.219.712.19.1
Average temperature (°C)4.75.05.813.515.720.124.423.420.014.46.95.1
Average night temperature (°C)1.60.91.38.510.015.020.219.015.910.33.01.8
Absolute minimum temperature (°C)-3.5-10.6-5.10.53.810.618.115.010.54.7-5.5-3.2

Blenheim monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.710.712.013.214.314.914.613.712.511.210.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.96.97.59.211.010.611.710.38.28.77.74.9
Precipitation (mm)82518214327117166601345176169
Sunny days13151316181071113162315
Rainy days18121714132024201715714
Snow days011000000002

Blenheim - weather forecast by months

Blenheim weather in januaryBlenheim weather in februaryBlenheim weather in marchBlenheim weather in aprilBlenheim weather in mayBlenheim weather in juneBlenheim weather in julyBlenheim weather in augustBlenheim weather in septemberBlenheim weather in octoberBlenheim weather in novemberBlenheim weather in december

Best time to visit Blenheim:

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

  • May — 11.0(h)
  • July — 11.7(h)

The largest precipitation sum in Blenheim is at

  • April — 143(mm)
  • July — 166(mm)
  • September — 134(mm)
  • December — 169(mm)

    • Weather forecast in the closest to Blenheim admin centers

    Weather forecast in the closest towns to Blenheim

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    Frequently asked questions

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