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Grants Pass (OR)
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United States weather

Weather in Grants Pass, Oregon for May 2026

Your guide to Grants Pass weather in May - trends and predictions

    Temperatures

  • The forecast for the upcoming days in Grants Pass predicts a temperature of 26.2 °F, which is slightly above the historical average.

  • In general, the average temperature in Grants Pass at the beginning of May is 25.7 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.1 °F by the end of May.

    • Rain 🌧️

  • With an average of 2 rainy days, Grants Pass experiences minimal rainfall in May.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
29
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/9°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
62 %
Avg humidity

Grants Pass Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
26°
2
Patchy rain possible
23°
3
Patchy rain possible
20°
4
Sunny
29°
5
Partly cloudy
26°
6
Sunny
28°
7
Sunny
28°
8
Sunny
24°
9
Partly cloudy
23°
10
Sunny
30°
11
Sunny
32°
12
Sunny
29°
13
Cloudy
25°
14
Overcast
26°
15
Sunny
24°
16
Sunny
21°
17
Sunny
22°
18
Overcast
17°
19
Overcast
19°
20
Cloudy
17°
21
Overcast
25°
22
Cloudy
18°
23
Overcast
20°
24
Sunny
27°
25
Overcast
20°
26
Cloudy
20°
27
Sunny
29°
28
Sunny
29°
29
Cloudy
21°
30
Mist
30°
31
Cloudy
27°

Temperatures trend during May in Grants Pass

See the weather trend as well as the moving average line

May weather in Grants Pass day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Sunny
Sunny
 26° /7° 0 mm 8
May 2 Patchy rain possible
Patchy rain possible
 23° /8° 0.1 mm 5
May 3 Patchy rain possible
Patchy rain possible
 20° /8° 3 mm 5
May 4 Sunny
Sunny
 29° /8° 0 mm 3.3
May 5 Partly cloudy
Partly cloudy
 26° /7° 0 mm 7.8
May 6 Sunny
Sunny
 28° /6° 0 mm 8.1
May 7 Sunny
Sunny
 28° /5° 0 mm 7.5
May 8 Sunny
Sunny
 24° /5° 0 mm 0
May 9 Partly cloudy
Partly cloudy
 23° /4° 0 mm 4
May 10 Sunny
Sunny
 30° /5° 0 mm 5
May 11 Sunny
Sunny
 32° /9° 0 mm 5
May 12 Sunny
Sunny
 29° /8° 0 mm 5
May 13 Cloudy
Cloudy
 25° /7° 0 mm 4
May 14 Overcast
Overcast
 26° /6° 0 mm 4
May 15 Sunny
Sunny
 24° /5° 0 mm 4
May 16 Sunny
Sunny
 21° /1° 0 mm 4
May 17 Sunny
Sunny
 22° /2° 0 mm 4
May 18 Overcast
Overcast
 17° /7° 0 mm 4
May 19 Overcast
Overcast
 19° /9° 0 mm 4
May 20 Cloudy
Cloudy
 17° /7° 0.1 mm 4
May 21 Overcast
Overcast
 25° /7° 0 mm 6
May 22 Cloudy
Cloudy
 18° /10° 0 mm 4
May 23 Overcast
Overcast
 20° /8° 0 mm 5
May 24 Sunny
Sunny
 27° /8° 0 mm 7
May 25 Overcast
Overcast
 20° /10° 0 mm 5
May 26 Cloudy
Cloudy
 20° /8° 0 mm 5
May 27 Sunny
Sunny
 29° /9° 0 mm 7
May 28 Sunny
Sunny
 29° /17° 0 mm 7
May 29 Cloudy
Cloudy
 21° /12° 0 mm 5
May 30 Mist
Mist
 30° /13° 0 mm 7
May 31 Cloudy
Cloudy
 27° /15° 0 mm 6
Next
Important Notice
Our weather forecast for Grants Pass in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grants Pass forecast closer to your planned date for the most up-to-date weather information.
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Grants Pass in May - FAQ

What are the expected maximum and minimum temperatures in Grants Pass during May?

Enjoy moderate daytime temperatures of up to 22° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Grants Pass during May?

Expect minimal rainfall in Grants Pass during May, with a total of 12.4 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.

What are the typical wind conditions in Grants Pass during May?

The average wind speed in Grants Pass during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Grants Pass

Explore the daily rainfall trends and prepare for Grants Passs May weather 💧
Typically, Grants Pass has 2 rainy days in May with a total of 12.4 mm of rainfall.

UV exposure in Grants Pass during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Grants Pass?

Get accurate weather forecasts for Grants Pass, located at latitude 42.439 and longitude -123.331. Stay updated with localized weather information tailored for Grants Pass.

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