May weather forecastMadras, OR

May
Weather in May
May carries forth the gentle warmth of spring, giving Madras, Oregon a pleasant and inviting atmosphere. Mild temperatures and inviting outdoor weather make this month a favorite among locals and visitors. The humidity gradually starts to recede, and the daylight extends, giving longer hours to explore Madras's scenic beauty. The forecast typically remains clear and increasingly sunny, promising delightful weather. Night times retain a bit of the spring chill, ideal for cozy, fireside gatherings.Temperature
The shift into May is characterized by a rise in the average high-temperature, transitioning from April's cool 54.9°F (12.7°C) to a comfortable 64.4°F (18°C). Despite a noticeable differential from daytime highs, Madras notes an average nighttime low-temperature of 42.3°F (5.7°C) in May.Humidity
In May, the average relative humidity is 59%.Rainfall
In May, the rain falls for 10.6 days. Throughout May, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 121.1 rainfall days, and 11.38" (289mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Madras aggregates 0.04" (1mm) of snow. Throughout the year, there are 35.3 snowfall days, and 17.6" (447mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 50min.On the first day of the month, sunrise is at 5:53 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:22 am and sunset at 8:42 pm PDT.
Sunshine
The average sunshine in May is 11.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Take precautions - Protection against sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Madras, OR
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in May: 42.3°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in May
Madras, OR
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Madras, OR
- Average wind speed in May: 6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in May
Madras, OR
- Average humidity in May: 59%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in May
Madras, OR
- Average rainfall in May: 0.91"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Madras, OR
- Average rainfall days in May: 10.6 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).
Average snowfall in May
Madras, OR
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in May
Madras, OR
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Madras, OR
- Average daylight in May: 14h and 48min
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: 11h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Madras, OR
- Average sunshine days in May: 17.8 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in May
Madras, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in May
Madras, OR
- Average cloud cover in May: 28
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in May
Madras, OR
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).





