Salem (OR)
May
Weather in Salem, Oregon for May 2026
Your guide to Salem weather in May - trends and predictions
In general, the average temperature in Salem at the beginning of May is 15.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21 °F by the end of May.
Salem experiences moderate rainfall in May, with an average of 7 rainy days and a total precipitation of 68.2 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
18°/6°
Temperatures
14 km/h
Avg max wind
76 %
Avg humidity
Salem Weather May
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Temperatures trend during May in Salem
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May weather in Salem day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 18° /3° | 0.1 mm | 5 | |
| May 2 |  Light drizzle | 17° /6° | 5.2 mm | 4 | |
| May 3 | Light rain | 11° /4° | 7.8 mm | 3 | |
| May 4 | Light rain | 13° /3° | 10.9 mm | 3 | |
| May 5 | Light drizzle | 15° /3° | 1.6 mm | 4 | |
| May 6 | Light rain shower | 17° /5° | 5.8 mm | 5 | |
| May 7 | Light rain shower | 16° /5° | 0.6 mm | 4 | |
| May 8 |  Mist | 16° /3° | 0 mm | 4 | |
| May 9 | Mist | 22° /4° | 0 mm | 5 | |
| May 10 |  Sunny | 20° /9° | 0 mm | 6 | |
| May 11 | Sunny | 20° /10° | 10.6 mm | 5 | |
| May 12 | Patchy rain possible | 19° /7° | 6.7 mm | 4 | |
| May 13 | Patchy rain possible | 15° /6° | 0.1 mm | 4 | |
| May 14 | Mist | 18° /5° | 0 mm | 5 | |
| May 15 | Mist | 18° /6° | 8.6 mm | 4 | |
| May 16 | Fog | 17° /7° | 0 mm | 4 | |
| May 17 |  Partly cloudy | 16° /7° | 0 mm | 4 | |
| May 18 | Mist | 15° /4° | 0 mm | 4 | |
| May 19 | Patchy rain possible | 15° /5° | 0.4 mm | 4 | |
| May 20 | Sunny | 20° /9° | 1.6 mm | 5 | |
| May 21 |  Cloudy | 19° /8° | 0 mm | 5 | |
| May 22 | Cloudy | 16° /6° | 2.4 mm | 4 | |
| May 23 | Patchy rain possible | 17° /6° | 0 mm | 4 | |
| May 24 | Partly cloudy | 20° /5° | 0.1 mm | 5 | |
| May 25 | Sunny | 19° /7° | 0.3 mm | 5 | |
| May 26 | Sunny | 22° /8° | 1.2 mm | 5 | |
| May 27 |  Overcast | 23° /8° | 0 mm | 6 | |
| May 28 | Overcast | 22° /9° | 0.5 mm | 5 | |
| May 29 | Sunny | 19° /7° | 2.7 mm | 5 | |
| May 30 | Partly cloudy | 21° /5° | 0 mm | 5 | |
| May 31 | Overcast | 21° /7° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Salem 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 Salem forecast closer to your planned date for the most up-to-date weather information.
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Salem in May - FAQ
What are the expected maximum and minimum temperatures in Salem during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Salem during May?
Moderate rainfall is anticipated in Salem during May, with a total of 68.2 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Salem during May?
The average wind speed in Salem during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Salem
Explore the daily rainfall trends and prepare for Salems May weather 💧
UV exposure in Salem during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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