Climate in Sisters (Oregon), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Sisters, the United States of America

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Sisters, the United States of America

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Sisters, the United States of America

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Weather Forecasts for Sisters (OR)

Thu   Mar 28
8°C | -1°C
SW 18 km/h
2.7 mm
broken clouds and rain

broken clouds and rain

Fri   Mar 29
9°C | -4°C
N 14 km/h
3.3 mm
overcast and sleet

overcast and sleet

Sat   Mar 30
12°C | -1°C
NE 14 km/h
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Sisters in the United States of America

During the months of June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Does Sisters have a dry season?
    Yes, the months of April, July, August and September are very dry.
  • Which is the warmest month in Sisters?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Sisters?
    The coldest month is December with an average maximum temperature of 4°C.
  • Which is the wettest month in Sisters?
    December tops the wettest month list with 72 mm of rainfall.
  • Which is the driest month in Sisters?
    July is the driest month with 7 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.