Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Sunriver (OR) Weather and Climate: A Comprehensive Guide

The climate in Sunriver is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to cold in the cooler months. The city tends toward drier weather patterns. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

In Sunriver, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 29°C in July. In December, the coolest month of the year, temperatures drop to a chilly 3°C.

At night, you can expect cooler temperatures, with averages dropping to around -7°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Sunriver typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 468 mm. Sunriver can be quite wet during December, receiving approximately 94 mm of precipitation over 17 snowy/rainy days.

In contrast August, experiences much drier conditions, with 9.3 mm of rainfall, spread across 3 rainy days. For more details, please visit our Sunriver Precipitation page.

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

Forecast for Sunriver (OR)

Sun   Dec 22
6°C | 0°C
SW 6 m/s
5.6 mm
overcast and rain

overcast and rain

Mon   Dec 23
7°C | -1°C
SW 5 m/s
4.7 mm
overcast and rain

overcast and rain

Tue   Dec 24
6°C | -2°C
SW 5 m/s
7.4 mm
broken clouds and slight rain

broken clouds and slight rain

The best time of year to visit Sunriver 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 Sunriver have a dry season?
    Yes, the months of July, August and September are very dry.
  • Which is the warmest month in Sunriver?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Sunriver?
    The coldest month is December with an average maximum temperature of 3°C.
  • Which is the wettest month in Sunriver?
    December tops the wettest month list with 94 mm of rainfall.
  • Which is the driest month in Sunriver?
    August is the driest month with 9 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.