Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May brings a slight elevation in the average high-temperature, transitioning from April's moderate 56.3°F (13.5°C) to an enjoyable 65.1°F (18.4°C). Despite considerable daily temperature swings, a steady low-temperature average of 42.1°F (5.6°C) is noted throughout May.Humidity
The average relative humidity in May is 77%.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 180.2 rainfall days, and 36.77" (934mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 14h and 58min.On the first day of May in Columbia City, sunrise is at 5:56 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 8:53 pm PDT.
Sunshine
In Columbia City, the average sunshine in May is 8.3h.UV index
In Columbia City, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in May transforms into this advice:
Take precautions - Protection against sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What is the average May temperature in Columbia City?
What is the average humidity in May in Columbia City?
How much does it rain in Columbia City in May?
When it does not snow in Columbia City?
How many hours of daylight does Columbia City have in May?
What time are sunrise and sunset in May in Columbia City?
How many hours of sunshine does Columbia City have in May?
What is the UV index reading in May in Columbia City?
Average temperature in May
Columbia City, OR
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in May: 42.1°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in May
Columbia City, OR
- Average pressure in May: 30.03"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
Columbia City, OR
- Average wind speed in May: 4.2mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in May
Columbia City, OR
- Average humidity in May: 77%
The months with the highest relative humidity are February and November (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in May
Columbia City, OR
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is January (5.43").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in May
Columbia City, OR
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is July (5.2 days).
Average snowfall in May
Columbia City, OR
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Columbia City, 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
Columbia City, OR
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in May
Columbia City, OR
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in May
Columbia City, 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
Columbia City, OR
- Average cloud cover in May: 50
The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Columbia City, OR
- Average visibility in May: 5mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Columbia City, Oregon, USA
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