Best year time to visit Hyannis

General weather information about Hyannis

Average annual temperature is 9.3 °C

Absolute maximum temperature: 36.6 °C

Absolute minimum temperature: -27.3 °C

Number of sunny days: 195

Number of rainy days: 136

Number of snow days: 34

Average annual precipitation: 485 mm

Look at detailed online map of Hyannis

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

Hyannis air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 11 12.1 18.3 29 28 30.5 34.6 36.6 34.4 28.1 22 15.3
Average daytime temperature (°C) -0.9 4.1 7.6 15.3 21.5 25.3 28.3 29.1 25.8 15.9 10.5 5.6
Average temperature (°C) -4.7 -2.8 -0.4 7.3 15.2 19.3 21.7 22.4 18.9 9.3 4.1 0.3
Average night temperature (°C) -8 -7 -5.2 1.1 9.8 13.9 15.7 17 13 4 -0.1 -3
Absolute minimum temperature (°C) -23.1 -27.3 -11.9 -8.4 0.6 9.7 11 11.9 6.9 -9.9 -10.5 -8.6

Hyannis monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 10 11.2 12.7 14 15 15.2 15.2 14.4 13.2 11.8 10.4 9.4
Daylight mean duration (h) 9.5 10.6 11.9 13.4 14.6 15.2 14.9 13.8 12.5 11.1 9.8 9.2
Daylight minimum duration (h) 9.2 10 11.2 12.7 14 15 14.5 13.2 11.8 10.4 9.4 9.1
Sunshine mean duration (h) 6.4 8.2 8.7 10.8 10.6 12.1 12.5 11.7 10.7 8 8.2 6.5
Precipitation (mm) 55 16 33 20 107 78 31 40 17 46 22 21
Sunny days 17 19 17 13 6 11 11 15 23 19 22 22
Rainy days 2 4 5 14 25 19 20 16 7 10 7 7
Snow days 12 5 9 3 2 1 2

Hyannis - weather forecast by months

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

Best time to visit Hyannis:

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

  • June — 12.1(h)
  • July — 12.5(h)

The largest precipitation sum in Hyannis is at

  • January — 55(mm)
  • May — 107(mm)
  • June — 78(mm)

Weather forecast in the closest to Hyannis admin centers