Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Monthly Average Rainy days in St. Helena (CA)

The number of days each month with rain, snow and hail in St. Helena (California), the United States of America.

  • St. Helena has dry periods in June, July, August and September.
  • On average, December is the most rainy with 13 days of rain/snow.
  • On average, August is the driest month with 0 rainy days.
  • The average annual number of rainy days is 73.

Current rainfall in St. Helena (CA)

Sat   Dec 21
13°C | 7°C
E 1 m/s
2.3 mm
broken clouds and rain

broken clouds and rain

Sun   Dec 22
15°C | 9°C
S 3 m/s
8.1 mm
overcast and slight rain

overcast and slight rain

Mon   Dec 23
15°C | 10°C
SE 3 m/s
6.7 mm
overcast and rain

overcast and rain

Interested in more climate information?

This site provides you with all the information you need about the climate in St. Helena.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.