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.
The climate of Salem in May is notably wet, with an average of 12 rainy days, and a total of 67.5 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
12
Rainy days
0
Snow days
18°/6°
Temperatures
13 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 67.5 mm spread over approximately 12 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 13 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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