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's arrival coincides with a temperature rise, moving from April's cool 52.9°F (11.6°C) to a comfortable 62.2°F (16.8°C). Alfalfa's nights in May cool down to an average low-temperature of 41.4°F (5.2°C).Humidity
In May, the average relative humidity is 57%.Rainfall
May is the month with the most rainfall. Rain falls for 7.6 days and accumulates 0.67" (17mm) of precipitation.Snowfall
May through August are months without snowfall.Daylight
The average length of the day in May in Alfalfa is 14h and 47min.On the first day of May, sunrise is at 5:54 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:39 pm PDT.
Sunshine
In Alfalfa, the average sunshine in May is 10.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Alfalfa?
What is the average humidity in May in Alfalfa?
What is the rainiest month?
How much does it rain in May?
When it does not snow?
Does it snow in May?
How many hours of daylight does Alfalfa have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Alfalfa have in May?
How high is the UV index in May?
Average temperature in May
Alfalfa, OR
- Average high temperature in May: 62.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in May: 41.4°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in May
Alfalfa, OR
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in May
Alfalfa, OR
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).
Average humidity in May
Alfalfa, OR
- Average humidity in May: 57%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in May
Alfalfa, OR
- Average rainfall in May: 0.67"
The wettest month (with the highest rainfall) is May (0.67").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Alfalfa, OR
- Average rainfall days in May: 7.6 days
The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is July (2 days).
Average snowfall in May
Alfalfa, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in May
Alfalfa, OR
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Alfalfa, OR
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 10h and 5min
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 24min).
Average sunshine days in May
Alfalfa, OR
- Average sunshine days in May: 22.6 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (19.5 days).
Average UV index in May
Alfalfa, 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, March, November and December (UV index 2).
Average cloud cover in May
Alfalfa, OR
- Average cloud cover in May: 29
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in May
Alfalfa, OR
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Alfalfa, Oregon, USA
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