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Weather in Butte, Montana for May 2026

Your guide to Butte weather in May - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Butte usually enjoys a light touch of snow in May.
    According to Butte snow forecast for May 2026, no snow is expected at the beginning of the month.

    • Temperatures

  • An exceptional deviation from the historical average is forecasted for first days of May 2026 in Butte with the forecasted temperature being 9.5 °F, much lower than usual.

  • In general, the average temperature in Butte at the beginning of May is 12.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.1 °F by the end of May.

    • Rain 🌧️

  • The climate of Butte in May is notably wet, with an average of 12 rainy days, and a total of 66.1 mm of precipitation.

    • More

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

Average dry days
16
Dry days
Average rainy days
12
Rainy days
Average snowy days
3
Snow days
Average temperatures
16°/2°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
60 %
Avg humidity

Butte Weather May

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

Temperatures trend during May in Butte

See the weather trend as well as the moving average line

May weather in Butte day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Patchy rain possible
Patchy rain possible
 10° /0° 0.5 mm 0 cm
May 2 Patchy rain possible
Patchy rain possible
 14° /2° 1.2 mm 0 cm
May 3 Sunny
Sunny
 21° /2° 0 mm 0 cm
May 4 Overcast
Overcast
 12° /2° 7.4 mm 0 cm
May 5 Patchy moderate snow
Patchy moderate snow
 5° /-1° 8.4 mm 0.9 cm
May 6 Overcast
Overcast
 9° /-4° 0 mm 0 cm
May 7 Overcast
Overcast
 17° /0° 0 mm 0 cm
May 8 Patchy rain possible
Patchy rain possible
 18° /3° 0.1 mm 0 cm
May 9 Sunny
Sunny
 21° /4° 0 mm 0 cm
May 10 Moderate rain at times
Moderate rain at times
 22° /5° 0.5 mm 0 cm
May 11 Overcast
Overcast
 20° /6° 0 mm 0 cm
May 12 Patchy rain possible
Patchy rain possible
 16° /2° 2.4 mm 0 cm
May 13 Patchy moderate snow
Patchy moderate snow
 8° /0° 13.6 mm 1.5 cm
May 14 Heavy rain at times
Heavy rain at times
 7° /0° 13.1 mm 0.5 cm
May 15 Patchy rain possible
Patchy rain possible
 10° /0° 0.4 mm 0 cm
May 16 Patchy rain possible
Patchy rain possible
 10° /0° 0.3 mm 0 cm
May 17 Patchy rain possible
Patchy rain possible
 14° /0° 0.7 mm 0 cm
May 18 Moderate rain at times
Moderate rain at times
 6° /0° 3 mm 0 cm
May 19 Cloudy
Cloudy
 11° /-1° 0.1 mm 0 cm
May 20 Patchy rain possible
Patchy rain possible
 12° /0° 0.7 mm 0 cm
May 21 Moderate rain at times
Moderate rain at times
 12° /-2° 1.2 mm 0 cm
May 22 Heavy rain at times
Heavy rain at times
 10° /2° 2.7 mm 0 cm
May 23 Moderate rain at times
Moderate rain at times
 14° /0° 1.4 mm 0 cm
May 24 Partly cloudy
Partly cloudy
 17° /3° 0 mm 0 cm
May 25 Sunny
Sunny
 20° /4° 0 mm 0 cm
May 26 Thundery outbreaks possible
Thundery outbreaks possible
 22° /5° 0 mm 0 cm
May 27 Light rain shower
Light rain shower
 17° /7° 10.1 mm 0 cm
May 28 Sunny
Sunny
 21° /7° 0 mm 0 cm
May 29 Partly cloudy
Partly cloudy
 25° /7° 0 mm 0 cm
May 30 Sunny
Sunny
 22° /8° 0 mm 0 cm
May 31 Sunny
Sunny
 28° /10° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Butte 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 Butte forecast closer to your planned date for the most up-to-date weather information.
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Butte in May - FAQ

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

During May, expect a variety of temperatures with highs around 16° and lows near 2°, suitable for diverse activities and preferences.

How much rainfall should be expected in Butte during May?

Moderate rainfall is anticipated in Butte during May, with a total of 66.1 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

Will it snow in Butte in May 2026?

Butte experiences an average snowfall of 3 cm during May, occurring over 3 days.

What are the typical wind conditions in Butte during May?

The average wind speed in Butte during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Butte snow forecast May 2026

Track daily snowfall levels and discover Butte’s snowy potential this May ❄️
On average, Butte sees 3 snowy days during May, with approximately 3 cm of total snowfall.

May rainfall patterns in Butte

Explore the daily rainfall trends and prepare for Buttes May weather 💧
Typically, Butte has 12 rainy days in May with a total of 66.1 mm of rainfall.

UV exposure in Butte during May

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

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Location coordinates Where is Butte?

Get accurate weather forecasts for Butte, located at latitude 46.004 and longitude -112.535. Stay updated with localized weather information tailored for Butte.

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