Weather in Borough of Mount Gretna in January

General weather information about Borough of Mount Gretna

Average annual temperature is 12.9 °C

Absolute maximum temperature: 34.5 °C

Absolute minimum temperature: -10.8 °C

Number of sunny days: 179 days

Number of rainy days: 180 days

Number of snow days: 6 days

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* Weather data for Borough of Mount Gretna United States is based on climate observations for 2026 year

Borough of Mount Gretna air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.919.320.030.530.034.534.431.733.627.321.516.3
Average daytime temperature (°C)8.19.910.819.822.926.630.128.124.219.211.28.6
Average temperature (°C)4.34.25.113.216.020.224.522.919.314.16.04.6
Average night temperature (°C)1.4-0.30.47.79.414.719.618.315.09.91.91.4
Absolute minimum temperature (°C)-4.5-10.8-6.10.22.59.516.614.39.42.6-5.8-4.4

Borough of Mount Gretna monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.014.014.013.011.010.09.0
Daylight mean duration (h)9.710.711.913.314.415.014.713.712.511.110.09.4
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)4.86.87.49.111.510.812.210.68.18.27.64.3
Precipitation (mm)823766125151071021391216874125
Sunny days12161216211271315202015
Rainy days19101814101824181511914
Snow days021000000012

Borough of Mount Gretna - weather forecast by months

Borough of Mount Gretna weather in januaryBorough of Mount Gretna weather in februaryBorough of Mount Gretna weather in marchBorough of Mount Gretna weather in aprilBorough of Mount Gretna weather in mayBorough of Mount Gretna weather in juneBorough of Mount Gretna weather in julyBorough of Mount Gretna weather in augustBorough of Mount Gretna weather in septemberBorough of Mount Gretna weather in octoberBorough of Mount Gretna weather in novemberBorough of Mount Gretna weather in december

Best time to visit Borough of Mount Gretna:

The best time to visit Borough of Mount Gretna during the most sunny months:

  • May — 11.5(h)
  • June — 10.8(h)
  • July — 12.2(h)

The largest precipitation sum in Borough of Mount Gretna is at

  • April — 125(mm)
  • August — 139(mm)
  • September — 121(mm)
  • December — 125(mm)

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    Frequently asked questions

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