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Tri-Cities in May average weather

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Temperatures trend during May in Tri-Cities

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May weather day by day

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April June

Date	Weather	Temperatures	Rain	UV
May 1	Patchy rain possible	20° /11°	1.3 mm	5
May 2	Overcast	25° /11°	0 mm	6
May 3	Partly cloudy	30° /12°	0 mm	8
May 4	Overcast	25° /13°	0 mm	6
May 5	Moderate or heavy rain shower	13° /11°	5.9 mm	3
May 6	Overcast	20° /8°	0.1 mm	5
May 7	Patchy rain possible	15° /9°	0.2 mm	4
May 8	Moderate or heavy rain shower	20° /8°	5.7 mm	5
May 9	Patchy rain possible	18° /10°	1 mm	4
May 10	Sunny	23° /8°	0 mm	6
May 11	Sunny	25° /11°	0 mm	7
May 12	Sunny	29° /12°	0 mm	7
May 13	Sunny	32° /14°	0 mm	8
May 14	Cloudy	31° /17°	0 mm	7
May 15	Heavy rain at times	31° /17°	1.5 mm	7
May 16	Overcast	30° /17°	1.2 mm	7
May 17	Partly cloudy	30° /16°	0 mm	8
May 18	Sunny	33° /17°	0.2 mm	8
May 19	Sunny	34° /17°	0.1 mm	8
May 20	Patchy rain possible	36° /19°	0.1 mm	8
May 21	Patchy rain possible	30° /17°	0.1 mm	7
May 22	Sunny	20° /10°	0.7 mm	5
May 23	Sunny	23° /8°	0 mm	6
May 24	Sunny	25° /9°	0 mm	7
May 25	Sunny	23° /11°	0 mm	6
May 26	Partly cloudy	26° /10°	0 mm	7
May 27	Partly cloudy	28° /12°	0 mm	7
May 28	Overcast	27° /13°	0.1 mm	6
May 29	Sunny	25° /10°	0 mm	6
May 30	Cloudy	25° /10°	0 mm	6
May 31	Sunny	25° /10°	0 mm	7
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Important Notice

Our weather forecast for Tri-Cities 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 Tri-Cities forecast closer to your planned date for the most up-to-date weather information.

Tri-Cities in May - FAQ

What are the expected maximum and minimum temperatures in Tri-Cities during May?

Enjoy moderate daytime temperatures of up to 27° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Tri-Cities during May?

Expect minimal rainfall in Tri-Cities during May, with a total of 18.9 mm over approximately 6 days. This minimal precipitation is unlikely to significantly impact plans.

What are the typical wind conditions in Tri-Cities during May?

The average wind speed in Tri-Cities during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Tri-Cities

Explore the daily rainfall trends and prepare for Tri-Citiess May weather 💧

UV exposure in Tri-Cities during May

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

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Where is Tri-Cities?

Get accurate weather forecasts for Tri-Cities, located at latitude 46.245 and longitude -119.196. Stay updated with localized weather information tailored for Tri-Cities.

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Mon.	Tue.	Wed.	Thu.	Fri.	Sat.	Sun.
			1 20°	2 25°	3 30°	4 25°
5 13°	6 20°	7 15°	8 20°	9 18°	10 23°	11 25°
12 29°	13 32°	14 31°	15 31°	16 30°	17 30°	18 33°
19 34°	20 36°	21 30°	22 20°	23 23°	24 25°	25 23°
26 26°	27 28°	28 27°	29 25°	30 25°	31 25°