May weather forecastCottage Grove, OR
May
Weather in May
The last month of the spring, May, is a refreshing month in Cottage Grove, Oregon, with an average temperature ranging between max 64.9°F (18.3°C) and min 40.3°F (4.6°C).Temperature
Cottage Grove's weather shows a minor temperature rise with the arrival of May, moving from 56.8°F (13.8°C) in April to a still refreshing 64.9°F (18.3°C). In the face of high daytime temperatures, Cottage Grove witnesses a consistent average nighttime low of 40.3°F (4.6°C) during May.Humidity
In May, the average relative humidity is 78%.Rainfall
In Cottage Grove, during May, the rain falls for 14 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 157.8 rainfall days, and 30.63" (778mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Cottage Grove, the average length of the day in May is 14h and 46min.On the first day of May in Cottage Grove, sunrise is at 6:02 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:47 pm PDT.
Sunshine
The average sunshine in May is 8.3h.UV index
In Cottage Grove, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 during May translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Cottage Grove, OR
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is December (45.9°F).
- Average low temperature in May: 40.3°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure in May
Cottage Grove, 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
Cottage Grove, OR
- Average wind speed in May: 3.9mph
The windiest month (with the highest average wind speed) is January (4.5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in May
Cottage Grove, OR
- Average humidity in May: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in May
Cottage Grove, OR
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Cottage Grove, OR
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in May
Cottage Grove, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Cottage Grove, OR
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 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
Cottage Grove, OR
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are February and December (Average sunshine: 4h and 12min).
Average sunshine days in May
Cottage Grove, OR
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is July (25.8 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in May
Cottage Grove, OR
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Cottage Grove, OR
- Average cloud cover in May: 51
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in May
Cottage Grove, OR
- Average visibility in May: 4mi
The months with the highest visibility are July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (4mi).
