Best year time to visit Lewis

General weather information about Lewis

Average annual temperature is 17.5 °C

Absolute maximum temperature: 40.9 °C

Absolute minimum temperature: -4.9 °C

Number of sunny days: 198 days

Number of rainy days: 167 days

Look at detailed online map of Lewis

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

Lewis air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)23.425.626.828.431.439.439.540.936.332.527.919.8
Average daytime temperature (°C)13.115.418.521.927.332.634.535.731.124.117.813.6
Average temperature (°C)7.89.011.915.521.125.828.028.824.518.111.38.2
Average night temperature (°C)3.84.67.19.915.519.822.823.018.813.66.44.0
Absolute minimum temperature (°C)-3.2-4.9-4.24.86.316.218.916.914.7-0.4-1.5-2.6

Lewis monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.110.912.013.114.014.514.213.412.411.310.39.8
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.09.09.0
Sunshine mean duration (h)5.95.87.99.010.612.311.411.810.68.07.96.8
Precipitation (mm)86109180138116519172731335848
Sunny days161115181514111819182221
Rainy days15171612161620131113810
Snow days000000000000

Lewis - weather forecast by months

Lewis weather in januaryLewis weather in februaryLewis weather in marchLewis weather in aprilLewis weather in mayLewis weather in juneLewis weather in julyLewis weather in augustLewis weather in septemberLewis weather in octoberLewis weather in novemberLewis weather in december

Best time to visit Lewis:

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

  • June — 12.3(h)
  • July — 11.4(h)
  • August — 11.8(h)

The largest precipitation sum in Lewis is at

  • March — 180(mm)
  • April — 138(mm)
  • October — 133(mm)

    • Weather forecast in the closest to Lewis admin centers

    Weather forecast in the closest towns to Lewis

    Explore Lewis

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    Frequently asked questions

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