Best year time to visit Delta (historical)

General weather information about Delta (historical)

Average annual temperature is 12.9 °C

Absolute maximum temperature: 37.3 °C

Absolute minimum temperature: -19.5 °C

Number of sunny days: 220 days

Number of rainy days: 132 days

Number of snow days: 13 days

Look at detailed online map of Delta (historical)

* Weather data for Delta (historical) United States is based on climate observations for 2026 year

Delta (historical) air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.716.223.030.031.034.036.237.335.032.821.916.7
Average daytime temperature (°C)3.37.610.319.926.530.229.230.028.419.812.87.7
Average temperature (°C)-1.10.33.812.519.624.124.124.722.314.46.83.0
Average night temperature (°C)-4.4-4.6-0.86.313.418.119.720.317.09.72.1-0.6
Absolute minimum temperature (°C)-15.7-19.5-10.3-4.84.011.714.013.410.9-4.6-6.5-5.4

Delta (historical) monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.711.913.314.415.014.713.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)6.07.68.09.911.512.811.211.010.68.06.95.6
Precipitation (mm)3475362067110963314341453
Sunny days212020211514111522172321
Rainy days66981616201681368
Snow days422100000112

Best time to visit Delta (historical):

The best time to visit Delta (historical) during the most sunny months:

  • May — 11.5(h)
  • June — 12.8(h)

The largest precipitation sum in Delta (historical) is at

  • February — 75(mm)
  • May — 67(mm)
  • June — 110(mm)
  • July — 96(mm)
  • Frequently asked questions

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