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Bonneville County (Idaho Falls)
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Weather in Bonneville County, Idaho for May 2026

Your guide to Bonneville County weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Bonneville County during May is quite rare, with fewer than 2 snowy days on average.
    According to Bonneville County snow forecast for May 2026, no snow is expected in the next 2 weeks.

    • Temperatures

  • Until now, May 2026 in Bonneville County has been nearly identical to the historical average, with a temperature of 20.3 °F (showing only a slight deviation of 0 °F).

  • The forecast for the upcoming days in Bonneville County predicts a temperature of 23.9 °F, which is slightly above the historical average.

  • In general, the average temperature in Bonneville County at the beginning of May is 19.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 26 °F by the end of May.

    • Rain 🌧️

  • Bonneville County experiences moderate rainfall in May, with an average of 8 rainy days and a total precipitation of 54.4 mm.

    • More

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

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
1
Snow days
Average temperatures
20°/4°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Bonneville County Weather May

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

Temperatures trend during May in Bonneville County

See the weather trend as well as the moving average line

May weather in Bonneville County day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Sunny
Sunny
 18° /1° 0 mm 0 cm
May 2 Partly cloudy
Partly cloudy
 22° /1° 0 mm 0 cm
May 3 Partly cloudy
Partly cloudy
 24° /4° 0 mm 0 cm
May 4 Overcast
Overcast
 20° /6° 0.4 mm 0 cm
May 5 Patchy rain possible
Patchy rain possible
 15° /5° 2.3 mm 0 cm
May 6 Overcast
Overcast
 17° /0° 2.3 mm 0.5 cm
May 7 Partly cloudy
Partly cloudy
 22° /7° 0.1 mm 0 cm
May 8 Partly cloudy
Partly cloudy
 24° /6° 0 mm 0 cm
May 9 Partly cloudy
Partly cloudy
 26° /6° 0 mm 0 cm
May 10 Sunny
Sunny
 27° /4° 0 mm 0 cm
May 11 Sunny
Sunny
 27° /9° 0 mm 0 cm
May 12 Sunny
Sunny
 28° /10° 0 mm 0 cm
May 13 Partly cloudy
Partly cloudy
 30° /13° 0 mm 0 cm
May 14 Sunny
Sunny
 27° /11° 0 mm 0 cm
May 15 Partly cloudy
Partly cloudy
 18° /9° 0 mm 0 cm
May 16 Sunny
Sunny
 20° /7° 0 mm 0 cm
May 17 Partly cloudy
Partly cloudy
 20° /7° 0 mm 0 cm
May 18 Sunny
Sunny
 24° /5° 0 mm 0 cm
May 19 Partly cloudy
Partly cloudy
 24° /12° 0 mm 0 cm
May 20 Sunny
Sunny
 21° /6° 0 mm 0 cm
May 21 Sunny
Sunny
 22° /7° 0 mm 0 cm
May 22 Sunny
Sunny
 23° /5° 0 mm 0 cm
May 23 Sunny
Sunny
 24° /7° 0 mm 0 cm
May 24 Partly cloudy
Partly cloudy
 23° /4° 0 mm 0 cm
May 25 Sunny
Sunny
 24° /3° 0 mm 0 cm
May 26 Sunny
Sunny
 25° /5° 0 mm 0 cm
May 27 Mist
Mist
 25° /7° 0 mm 0 cm
May 28 Overcast
Overcast
 24° /8° 0 mm 0 cm
May 29 Sunny
Sunny
 28° /9° 0 mm 0 cm
May 30 Sunny
Sunny
 27° /9° 0 mm 0 cm
May 31 Sunny
Sunny
 29° /9° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Bonneville County 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 Bonneville County forecast closer to your planned date for the most up-to-date weather information.
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Bonneville County in May - FAQ

What are the expected maximum and minimum temperatures in Bonneville County during May?

During May, expect a variety of temperatures with highs around 20° and lows near 4°, suitable for diverse activities and preferences.

How much rainfall should be expected in Bonneville County during May?

Moderate rainfall is anticipated in Bonneville County during May, with a total of 54.4 mm spread over approximately 8 days. Considering plans for rainy days is advisable.

Will it snow in Bonneville County in May 2026?

Bonneville County typically sees 1.08 cm of snowfall during May.

What are the typical wind conditions in Bonneville County during May?

The average wind speed in Bonneville County during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Bonneville County snow forecast May 2026

Track daily snowfall levels and discover Bonneville County’s snowy potential this May ❄️
On average, Bonneville County sees 1 snowy days during May, with approximately 1.1 cm of total snowfall.

May rainfall patterns in Bonneville County

Explore the daily rainfall trends and prepare for Bonneville Countys May weather 💧
Typically, Bonneville County has 8 rainy days in May with a total of 54.4 mm of rainfall.

UV exposure in Bonneville County during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Bonneville County?

Get accurate weather forecasts for Bonneville County, located at latitude 43.467 and longitude -112.034. Stay updated with localized weather information tailored for Bonneville County.

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