May

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Great Falls Weather May

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Temperatures trend during May in Great Falls

See the weather trend as well as the moving average line

May weather in Great Falls day by day

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Date	Weather	Temperatures	Rain	UV
May 1	Patchy rain possible	21° /6°	0.1 mm	7
May 2	Sunny	22° /7°	0 mm	7
May 3	Sunny	24° /7°	0 mm	7
May 4	Patchy rain possible	15° /6°	2.3 mm	5
May 5	Heavy rain at times	11° /4°	9.2 mm	5
May 6	Partly cloudy	17° /0°	0.2 mm	8
May 7	Overcast	20° /8°	0.6 mm	6
May 8	Cloudy	23° /7°	0.1 mm	8
May 9	Light rain	20° /7°	2.7 mm	6
May 10	Patchy rain possible	27° /9°	0.3 mm	7
May 11	Patchy rain possible	23° /11°	0.3 mm	7
May 12	Patchy rain possible	22° /9°	0.1 mm	8
May 13	Light rain	22° /10°	2.7 mm	6
May 14	Light rain	14° /7°	4.7 mm	6
May 15	Light rain	14° /7°	2.5 mm	5
May 16	Patchy rain possible	14° /6°	0.2 mm	3
May 17	Light rain	12° /3°	3.5 mm	6
May 18	Heavy rain at times	11° /2°	5.8 mm	5
May 19	Patchy rain possible	16° /5°	1 mm	6
May 20	Light rain	14° /5°	3.1 mm	7
May 21	Patchy rain possible	15° /3°	0.1 mm	8
May 22	Light rain	18° /4°	4.2 mm	6
May 23	Light rain	19° /7°	4.9 mm	6
May 24	Cloudy	23° /7°	0 mm	8
May 25	Sunny	27° /8°	0 mm	9
May 26	Mist	28° /10°	0.2 mm	9
May 27	Cloudy	26° /13°	0.1 mm	9
May 28	Partly cloudy	27° /11°	0 mm	9
May 29	Mist	29° /10°	0.4 mm	9
May 30	Light rain	22° /13°	4.8 mm	8
May 31	Moderate rain	21° /8°	13.8 mm	6
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Important Notice

Our weather forecast for Great Falls 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 Great Falls forecast closer to your planned date for the most up-to-date weather information.

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Great Falls in May - FAQ

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

Enjoy moderate daytime temperatures of up to 20° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Great Falls during May?

Moderate rainfall is anticipated in Great Falls during May, with a total of 67.4 mm spread over approximately 8 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Great Falls during May?

The average wind speed in Great Falls during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Great Falls

Explore the daily rainfall trends and prepare for Great Fallss May weather 💧

Typically, Great Falls has 8 rainy days in May with a total of 67.4 mm of rainfall.

UV exposure in Great Falls during May

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

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Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
						1 21°
2 22°	3 24°	4 15°	5 11°	6 17°	7 20°	8 23°
9 20°	10 27°	11 23°	12 22°	13 22°	14 14°	15 14°
16 14°	17 12°	18 11°	19 16°	20 14°	21 15°	22 18°
23 19°	24 23°	25 27°	26 28°	27 26°	28 27°	29 29°
30 22°	31 21°