Best year time to visit Delta

General weather information about Delta

Average annual temperature is 10.2 °C

Absolute maximum temperature: 40.1 °C

Absolute minimum temperature: -20.5 °C

Number of sunny days: 245

Number of rainy days: 89

Number of snow days: 31

Average annual precipitation: 340 mm

Look at detailed online map of Delta

* Weather data for Delta United States is based on climate observations for 2023 year

Delta air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 8.5 11 16.1 24.8 29.8 34.8 40.1 38.4 34.7 27.8 20.9 9.7
Average daytime temperature (°C) 2.7 3.5 7.9 17 25.4 29.4 36.8 34.1 29 21.2 12 4.3
Average temperature (°C) -3.5 -4.4 0.7 7.4 16.1 20.3 27.2 24.9 19.4 11.7 3.7 -2.6
Average night temperature (°C) -8.8 -10.4 -5.3 0 7.5 10.9 17.1 15.8 11 4.6 -2.3 -7.7
Absolute minimum temperature (°C) -18.4 -20.5 -12 -6 3.9 7.1 12.3 12.6 6.4 -5.9 -11.7 -16.4

Delta monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10.2 11.3 12.6 13.8 14.7 14.9 14.8 14.2 13 11.8 10.6 9.7
Daylight mean duration (h) 9.8 10.8 12 13.2 14.3 14.8 14.6 13.7 12.5 11.2 10.1 9.5
Daylight minimum duration (h) 9.5 10.3 11.3 12.6 13.8 14.7 14.2 13.1 11.8 10.6 9.7 9.5
Sunshine mean duration (h) 6.4 8.3 8.5 11.2 12.4 12.9 13.3 12.4 11.3 9.8 8.6 7.5
Precipitation (mm) 58 40 90 26 19 9 0 8 6 33 25 25
Sunny days 16 16 12 17 16 21 30 27 22 23 25 20
Rainy days 7 3 14 10 15 9 1 4 8 8 5 5
Snow days 8 9 5 3 6

Delta - weather forecast by months

January February March April May June July August September October November December

Best time to visit Delta:

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

  • June — 12.9(h)
  • July — 13.3(h)

The largest precipitation sum in Delta is at

  • January — 58(mm)
  • February — 40(mm)
  • March — 90(mm)

Weather forecast in the closest to Delta admin centers