Best year time to visit New Portsmouth

General weather information about New Portsmouth

Average annual temperature is 8.7 °C

Absolute maximum temperature: 32.2 °C

Absolute minimum temperature: -29.5 °C

Number of sunny days: 157 days

Number of rainy days: 181 days

Number of snow days: 27 days

Look at detailed online map of New Portsmouth

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

New Portsmouth air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)8.510.910.027.330.232.230.726.830.927.016.012.4
Average daytime temperature (°C)2.41.44.412.919.121.025.923.221.816.56.45.0
Average temperature (°C)-1.3-4.30.07.212.716.121.618.817.212.02.00.9
Average night temperature (°C)-4.5-9.2-3.83.17.412.218.115.313.88.7-1.3-1.9
Absolute minimum temperature (°C)-14.0-29.5-9.3-4.31.06.813.411.96.90.3-6.6-8.6

New Portsmouth monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.36.67.47.911.77.910.09.78.37.06.84.6
Precipitation (mm)14942981011152032421471457858175
Sunny days711171419431315162315
Rainy days1461016122628181515615
Snow days10114000000011

Best time to visit New Portsmouth:

The best time to visit New Portsmouth during the most sunny months:

  • May — 11.7(h)
  • July — 10.0(h)
  • August — 9.7(h)

Months with the longest average daylight duration in New Portsmouth:

  • June — 15.4(h)

The largest precipitation sum in New Portsmouth is at

  • June — 203(mm)
  • July — 242(mm)
  • December — 175(mm)
  • Frequently asked questions

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