Saint Helens Weather in October

Thinking of visiting Saint Helens in October? Expect moderate temperatures reaching 18°C (64°F) during the day, dropping to 7°C (45°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Saint Helens in October

Typically around 15 days of rainfall are expected, averaging 83 mm (3.3 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Saint Helens in October

October in Saint Helens brings typical temperatures with highs around 18°C (64°F) and lows of 7°C (45°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Saint Helens in October

The area experiences a moderate amount of sunshine, with approximately 152 hours of sunlight expected. This means a decent mix of sun and overcast.

If you prefer enjoying temperate temperatures and rain-free days, May, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Helens's climate page.

Saint Helens Temperature in October

Min Temperature 7°C (45°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 50%  

Precipitation 83 mm (3.3 in)  

Rainy days 15 days  

Humidity 78% *  

Sunshine 152 hours *  

Percentage Sunshine *  

* Data from: Portland, the United States of America (33 KM, 20 Miles).

What to Wear in Saint Helens in October

For Saint Helens in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Saint Helens in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Helens's climate page.

More climate data for Saint Helens

Temperature Rainfall Sunshine Humidity

See the full Saint Helens climate overview or explore weather in the United States of America.