Best year time to visit Grenville

General weather information about Grenville

Average annual temperature is 6.8 °C

Absolute maximum temperature: 33.2 °C

Absolute minimum temperature: -26.8 °C

Number of sunny days: 217 days

Number of rainy days: 105 days

Number of snow days: 43 days

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

Grenville air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)0.63.01.915.129.732.233.232.432.428.513.610.7
Average daytime temperature (°C)-6.7-4.4-3.95.521.226.725.526.022.812.86.12.5
Average temperature (°C)-9.6-8.9-7.81.215.121.420.721.318.38.71.5-1.2
Average night temperature (°C)-12.2-12.8-10.8-2.39.416.316.517.714.85.6-1.9-3.9
Absolute minimum temperature (°C)-26.8-26.7-18.3-11.7-0.111.011.513.59.4-6.6-10.3-10.6

Grenville monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.210.411.913.514.915.615.314.112.510.99.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.57.47.59.012.313.213.111.310.17.77.34.6
Precipitation (mm)11264165206143964880671
Sunny days221815152314142115172320
Rainy days02398161710151258
Snow days9813600000223

Grenville - weather forecast by months

Grenville weather in januaryGrenville weather in februaryGrenville weather in marchGrenville weather in aprilGrenville weather in mayGrenville weather in juneGrenville weather in julyGrenville weather in augustGrenville weather in septemberGrenville weather in octoberGrenville weather in novemberGrenville weather in december

Best time to visit Grenville:

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

  • May — 12.3(h)
  • June — 13.2(h)
  • July — 13.1(h)
  • August — 11.3(h)

Months with the longest average daylight duration in Grenville:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Grenville is at

  • April — 65(mm)
  • June — 61(mm)
  • August — 96(mm)
  • October — 80(mm)
  • December — 71(mm)

    • Weather forecast in the closest to Grenville admin centers

    Weather forecast in the closest towns to Grenville

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    Frequently asked questions

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