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
As Diamond transitions into May, the average high-temperature shows a change, moving from a fresh 52.9°F (11.6°C) in April to an enjoyable 62.4°F (16.9°C). During May, an average low-temperature of 42.8°F (6°C) is observed.Humidity
The average relative humidity in May is 51%.Rainfall
The months with the most rainfall are April and May, with an average 0.67" (17mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Diamond aggregates 0.2" (5mm) of snow. Throughout the year, there are 34.8 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 41min.On the first day of May, sunrise is at 5:47 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:26 pm PDT.
Sunshine
The average sunshine in May is 11.2h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Diamond in May?
What is the average humidity in May?
What is the wettest month?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Diamond, OR
- Average high temperature in May: 62.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (33.3°F).
- Average low temperature in May: 42.8°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).
Average pressure in May
Diamond, OR
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in May
Diamond, OR
- Average wind speed in May: 8.4mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Diamond, OR
- Average humidity in May: 51%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (33%).
Average rainfall in May
Diamond, OR
- Average rainfall in May: 0.67"
The wettest months (with the highest rainfall) are April and May (0.67").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in May
Diamond, OR
- Average rainfall days in May: 8.8 days
The month with the highest number of rainy days is April (9.6 days).
The month with the least rainy days is July (4 days).
Average snowfall in May
Diamond, OR
- Average snowfall in May: 0.2"
The month with the highest snowfall is December (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Diamond, OR
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Diamond, OR
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 11h and 1min
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 30min).
Average sunshine days in May
Diamond, OR
- Average sunshine days in May: 20.3 days
The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in May
Diamond, OR
- Average UV index in May: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Diamond, OR
- Average cloud cover in May: 26
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in May
Diamond, OR
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Diamond, Oregon, USA
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