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Grants Pass (OR) Weather and Climate: A Comprehensive Guide

The temperature in Grants Pass can vary greatly throughout the year. The temperatures shift from very warm to cold. It receives a moderate amount of precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Grants Pass. On average, daytime temperatures range from a very warm 32°C in July to a chilly 8°C in December.

Nighttime temperatures can drop, with average lows reaching 0°C in December. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Grants Pass has a moderate amount of precipitation, averaging 783 mm of rain/snowfall annually. The seasons in Grants Pass, bring significant changes in precipitation. The wettest month, December, receives heavy rainfall, with an average of 166 mm of precipitation. This rainfall is distributed across 18 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 5 mm over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Grants Pass Precipitation page.

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

Forecast for Grants Pass (OR)

Sun   Dec 22
8°C | 3°C
SE 2 m/s
10 mm
overcast and heavy rain

overcast and heavy rain

Mon   Dec 23
7°C | 2°C
E 3 m/s
22 mm
overcast and rain

overcast and rain

Tue   Dec 24
7°C | 0°C
W 2 m/s
3.6 mm
partly cloudy and rain

partly cloudy and rain

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

Other facts from our historical weather data:
  • When is summer in Grants Pass?
    The hottest season / summer takes place in June, July, August and September.
  • Does Grants Pass have a dry season?
    Yes, the months of July, August and September are very dry.
  • Which is the warmest month in Grants Pass?
    July has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Grants Pass?
    The coldest month is December with an average maximum temperature of 8°C.
  • Which is the wettest month in Grants Pass?
    December tops the wettest month list with 166 mm of rainfall.
  • Which is the driest month in Grants Pass?
    August is the driest month with 5 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.