May weather forecastMarion, OR
May
Weather in May
May, the last month of the spring in Marion, is a refreshing month, with an average temperature fluctuating between 42.1°F (5.6°C) and 64.9°F (18.3°C).Temperature
May brings a slight elevation in the average high-temperature, transitioning from April's moderate 56.7°F (13.7°C) to a comfortable 64.9°F (18.3°C). A significant drop from the day's peak to an average low-temperature of 42.1°F (5.6°C) is noted during the nights in May.Humidity
The average relative humidity in May is 77%.Rainfall
In Marion, during May, the rain falls for 14.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 169.4 rainfall days, and 31.57" (802mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Marion.Daylight
In Marion, the average length of the day in May is 14h and 51min.On the first day of the month, sunrise is at 6:00 am and sunset at 8:17 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:50 pm PDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In Marion, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in May interprets into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Marion, OR
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (44.6°F).
- Average low temperature in May: 42.1°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in May
Marion, OR
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in May
Marion, OR
- Average wind speed in May: 4.3mph
The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in May
Marion, OR
- Average humidity in May: 77%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in May
Marion, OR
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in May
Marion, OR
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in May
Marion, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Marion, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Marion, OR
- Average daylight in May: 14h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Marion, OR
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in May
Marion, 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
Marion, OR
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in May
Marion, 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).
