When to visit
Tri-Cities?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Tri-Cities
State of Washington · United States of America

The best weather in Tri-Cities is from May, September, October.consistent weather climate

Climate score
June
90

Perfect climate

☀️Pleasant

Temperature
16–31°C
Cool nights
Feels like
14–29°C
Dry
Precipitation
12mm
Light rain · 2 days
Sunshine
13.3h
Partly cloudy
Humidity (%)
35%
Dry
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-10°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly Overview
Score123154809490506498912511
ClimateColdColdColdMildPleasantPleasantHot & dryHot & dryPleasantMildColdCold
Temperature-1–6°C0–9°C3–14°C6–19°C11–25°C16–31°C20–36°C19–34°C14–29°C8–20°C2–10°C-1–5°C
Feels like-5–2°C-4–5°C-1–11°C2–16°C9–22°C14–29°C19–35°C18–33°C13–27°C6–17°C-1–7°C-5–2°C
Precipitation36mm
9 days
19mm
6 days
19mm
5 days
20mm
4 days
19mm
3 days
12mm
2 days
1mm
0 days
3mm
1 days
8mm
2 days
19mm
3 days
53mm
8 days
44mm
9 days
Sunshine3.3h
☀︎ 36%
7.1h
☀︎ 69%
9.4h
☀︎ 79%
10.8h
☀︎ 80%
12.2h
☀︎ 81%
13.3h
☀︎ 85%
14.3h
☀︎ 93%
12.8h
☀︎ 91%
10.8h
☀︎ 86%
9.0h
☀︎ 83%
4.9h
☀︎ 52%
2.9h
☀︎ 33%
WindW · 15 km/hW · 18 km/hSW · 17 km/hSW · 19 km/hSW · 19 km/hW · 19 km/hW · 16 km/hW · 16 km/hW · 14 km/hSW · 15 km/hW · 16 km/hW · 15 km/h
Humidity (%)80%69%58%43%40%35%28%34%45%61%77%82%
Day length9.1h10.4h12.0h13.6h15.0h15.7h15.3h14.1h12.5h10.9h9.4h8.7h

Frequently asked questions

What is the best time to visit Tri-Cities?

The best time to visit Tri-Cities is September, May, October, June, April, with temperatures between 6 °C and 31 °C. The best month is September. September is low season.

What is the weather like in Tri-Cities?

Tri-Cities has a climate with an overall score of 5.8/10. Annual temperatures range from -1 °C to 36 °C.

What is the hottest month in Tri-Cities?

The hottest month in Tri-Cities is July, with average highs of 36 °C and lows of 20 °C.

What is the rainiest month in Tri-Cities?

The rainiest month in Tri-Cities is November, with an average of 53 mm of precipitation.