Saint Helens weather in May (Oregon, United States of America)
What can you expect from the weather in Saint Helens during May? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In Saint Helens the weather in May is generally perfect, with pleasant temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 20°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 7°C.
Saint Helens in May usually receives moderate rainfall, averaging around 67 mm for the month. Rain is expected on roughly 14 days.
The city usually sees around 276 hours of sunlight, indicating many sunny days.
If you're inclined towards comfortable temperatures and drier conditions, May is a prime time to visit Saint Helens. May, June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Saint Helens climate page with graphs.
Saint Helens, monthly averages in May
Min Temperature
7°C
Max Temperature
20°C
Chance of Rain
45%
Precipitation
67 mm
Rainy days
14 days
Humidity
69% *
Sunshine
276 hours *
Percentage Sunshine
*
Where to go in the United States of America in May
Find out more about the weather in the United States of America in May and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Saint Helens in May?
For visitors traveling to Saint Helens, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in May.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Saint Helens.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
