Meridian (ID)
May
Weather in Meridian, Idaho for May 2026
Your guide to Meridian weather in May - trends and predictions
In general, the average temperature in Meridian at the beginning of May is 22 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28 °F by the end of May.
Meridian experiences moderate rainfall in May, with an average of 10 rainy days and a total precipitation of 30.4 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
23°/8°
Temperatures
19 km/h
Avg max wind
57 %
Avg humidity
Meridian Weather May
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Temperatures trend during May in Meridian
See the weather trend as well as the moving average line
May weather in Meridian day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Sunny | 22° /5° | 0 mm | 8 | |
| May 2 | Sunny | 26° /7° | 0 mm | 8 | |
| May 3 |  Partly cloudy | 24° /10° | 5.8 mm | 9 | |
| May 4 |  Overcast | 17° /6° | 0.3 mm | 6 | |
| May 5 | Sunny | 21° /6° | 0 mm | 9 | |
| May 6 | Sunny | 19° /4° | 0 mm | 9 | |
| May 7 | Sunny | 25° /7° | 0 mm | 9 | |
| May 8 | Sunny | 25° /12° | 0 mm | 9 | |
| May 9 | Sunny | 30° /12° | 0 mm | 9 | |
| May 10 | Overcast | 31° /15° | 0 mm | 9 | |
| May 11 | Overcast | 29° /14° | 0 mm | 6 | |
| May 12 |  Cloudy | 19° /10° | 0 mm | 9 | |
| May 13 |  Moderate or heavy rain shower | 14° /5° | 10.7 mm | 9 | |
| May 14 |  Patchy rain possible | 18° /5° | 0.4 mm | 10 | |
| May 15 | Cloudy | 17° /5° | 0 mm | 10 | |
| May 16 | Moderate rain at times | 18° /8° | 1.7 mm | 7 | |
| May 17 | Moderate or heavy rain shower | 15° /8° | 7.2 mm | 2 | |
| May 18 | Overcast | 14° /6° | 0.6 mm | 2 | |
| May 19 | Sunny | 18° /2° | 1.6 mm | 9 | |
| May 20 | Sunny | 18° /6° | 0.8 mm | 10 | |
| May 21 | Sunny | 19° /4° | 0 mm | 10 | |
| May 22 |  Heavy rain at times | 23° /11° | 1.3 mm | 6 | |
| May 23 | Sunny | 24° /7° | 0 mm | 10 | |
| May 24 | Sunny | 26° /8° | 0 mm | 10 | |
| May 25 | Sunny | 28° /9° | 0 mm | 10 | |
| May 26 | Overcast | 24° /11° | 0 mm | 10 | |
| May 27 |  Mist | 24° /6° | 0 mm | 10 | |
| May 28 | Overcast | 27° /11° | 0 mm | 10 | |
| May 29 | Sunny | 30° /14° | 0 mm | 10 | |
| May 30 | Sunny | 28° /10° | 0 mm | 10 | |
| May 31 | Sunny | 35° /13° | 0 mm | 10 | |
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Important Notice
Our weather forecast for Meridian 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 Meridian forecast closer to your planned date for the most up-to-date weather information.
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Meridian in May - FAQ
What are the expected maximum and minimum temperatures in Meridian during May?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Meridian during May?
In May, Meridian can expect light to moderate rainfall, totaling 30.4 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Meridian during May?
The average wind speed in Meridian during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Meridian
Explore the daily rainfall trends and prepare for Meridians May weather 💧
Typically, Meridian has 10 rainy days in May with a total of 30.4 mm of rainfall.
UV exposure in Meridian during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Meridian?Get accurate weather forecasts for Meridian, located at latitude 43.612 and longitude -116.392. Stay updated with localized weather information tailored for Meridian.
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