Best year time to visit Westmoreland County

General weather information about Westmoreland County

Average annual temperature is 15.5 °C

Absolute maximum temperature: 36.6 °C

Absolute minimum temperature: -7.0 °C

Number of sunny days: 189 days

Number of rainy days: 176 days

Look at detailed online map of Westmoreland County

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

Westmoreland County air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.924.824.229.928.430.436.635.234.328.626.218.6
Average daytime temperature (°C)11.213.113.921.821.926.530.930.026.521.614.211.8
Average temperature (°C)7.38.28.815.817.221.625.825.022.016.59.47.3
Average night temperature (°C)4.34.34.911.513.517.922.221.418.512.66.04.0
Absolute minimum temperature (°C)-0.6-7.0-1.74.78.514.419.517.714.06.7-3.0-0.8

Westmoreland County 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)9.910.812.013.214.214.814.513.612.411.210.19.6
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.57.28.09.410.611.111.610.98.88.87.85.8
Precipitation (mm)7171531245612114931963555195
Sunny days141615171710101216192518
Rainy days17121613142021191412513
Snow days000000000000

Westmoreland County - weather forecast by months

Westmoreland County weather in januaryWestmoreland County weather in februaryWestmoreland County weather in marchWestmoreland County weather in aprilWestmoreland County weather in mayWestmoreland County weather in juneWestmoreland County weather in julyWestmoreland County weather in augustWestmoreland County weather in septemberWestmoreland County weather in octoberWestmoreland County weather in novemberWestmoreland County weather in december

Best time to visit Westmoreland County:

The best time to visit Westmoreland County during the most sunny months:

  • June — 11.1(h)
  • July — 11.6(h)

The largest precipitation sum in Westmoreland County is at

  • April — 124(mm)
  • June — 121(mm)
  • July — 149(mm)
  • December — 195(mm)

    • Weather forecast in the closest to Westmoreland County admin centers

    Weather forecast in the closest towns to Westmoreland County

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    Frequently asked questions

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