May weather forecastSaint Paul, OR
May
Weather in May
The last month of the spring, May, is a refreshing month in Saint Paul, Oregon, with an average temperature varying between 44.1°F (6.7°C) and 67.1°F (19.5°C).Temperature
A gentle upsurge in temperatures occurs as April gives way to May, with average highs shifting from 58.6°F (14.8°C) to a still refreshing 67.1°F (19.5°C). Significant dips from daytime highs mark the May nights, with a consistent average temperature of 44.1°F (6.7°C).Humidity
The average relative humidity in May is 75%.Rainfall
In Saint Paul, in May, during 14 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Saint Paul, during the entire year, the rain falls for 169.4 days and collects up to 27.36" (695mm) of precipitation.Snowfall
In Saint Paul, snow does not fall in April through October.Daylight
In Saint Paul, the average length of the day in May is 14h and 54min.On the first day of May, sunrise is at 5:59 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:51 pm PDT.
Sunshine
In Saint Paul, the average sunshine in May is 8.6h.UV index
In Saint Paul, Oregon, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint Paul, OR
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (44.1°F).
- Average low temperature in May: 44.1°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in May
Saint Paul, OR
- Average pressure in May: 30.04"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in May
Saint Paul, OR
- Average wind speed in May: 4.3mph
The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are June and August (4.2mph).
Average humidity in May
Saint Paul, OR
- Average humidity in May: 75%
The months with the highest relative humidity are February and December (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in May
Saint Paul, OR
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is December (4.13").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in May
Saint Paul, OR
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in May
Saint Paul, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Saint Paul, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Saint Paul, OR
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Saint Paul, OR
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in May
Saint Paul, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Saint Paul, OR
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in May
Saint Paul, OR
- Average visibility in May: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).





