Best year time to visit Greencastle

General weather information about Greencastle

Average annual temperature is 15.0 °C

Absolute maximum temperature: 36.9 °C

Absolute minimum temperature: -6.9 °C

Number of sunny days: 183 days

Number of rainy days: 181 days

Number of snow days: 1 day

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

Greencastle air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.423.925.428.229.133.136.936.232.429.126.517.8
Average daytime temperature (°C)10.814.615.020.524.829.231.329.827.521.315.511.5
Average temperature (°C)6.38.18.713.818.622.425.324.121.315.79.46.2
Average night temperature (°C)3.03.83.88.213.216.720.519.616.111.44.82.5
Absolute minimum temperature (°C)-4.7-6.6-6.90.45.110.816.413.911.3-1.7-4.8-6.1

Greencastle monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.012.011.010.09.0
Daylight mean duration (h)9.910.812.013.214.214.714.413.612.411.210.29.7
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.07.17.89.510.711.411.310.410.77.77.86.2
Precipitation (mm)126104164926711614214348635567
Sunny days111517181516101313192214
Rainy days19131412161421181712817
Snow days100000000000

Greencastle - weather forecast by months

Greencastle weather in januaryGreencastle weather in februaryGreencastle weather in marchGreencastle weather in aprilGreencastle weather in mayGreencastle weather in juneGreencastle weather in julyGreencastle weather in augustGreencastle weather in septemberGreencastle weather in octoberGreencastle weather in novemberGreencastle weather in december

Best time to visit Greencastle:

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

  • June — 11.4(h)
  • July — 11.3(h)

The largest precipitation sum in Greencastle is at

  • January — 126(mm)
  • March — 164(mm)
  • July — 142(mm)
  • August — 143(mm)

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    Frequently asked questions

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