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 Selma enters May, the average high-temperature marginally increases from the a mild 57.9°F (14.4°C) of April to a still refreshing 66.7°F (19.3°C). Selma registers a significant reduction from the day's heat, with an average temperature drop to a wintry 39.7°F (4.3°C) in May.Humidity
In Selma, Oregon, the average relative humidity in May is 74%.Rainfall
In Selma, in May, it is raining for 11.8 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 135.3 rainfall days, and 23.54" (598mm) of precipitation is accumulated.Snowfall
In Selma, snow does not fall in May through October.Daylight
In May, the average length of the day is 14h and 37min.On the first day of the month, sunrise is at 6:08 am and sunset at 8:14 pm. On the last day of May, in Selma, sunrise is at 5:40 am and sunset at 8:44 pm PDT.
Sunshine
In May, the average sunshine is 9.9h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are May temperatures in Selma?
What is the average humidity in May in Selma?
How many days does it rain in May in Selma?
When it does not snow in Selma?
Does it snow in Selma in May?
How many hours of daylight does Selma have in May?
When is the sunrise / sunset in May in Selma?
How long on average sun shines in May in Selma?
How high is the UV index in May in Selma?
Average temperature in May
Selma, OR
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in May: 39.7°F
The month with the highest average low temperature is August (49.1°F).
The coldest month (with the lowest average low temperature) is December (31.5°F).
Average pressure in May
Selma, OR
- Average pressure in May: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in May
Selma, OR
- Average wind speed in May: 3.7mph
The windiest month (with the highest average wind speed) is March (4mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in May
Selma, OR
- Average humidity in May: 74%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (63%).
Average rainfall in May
Selma, OR
- Average rainfall in May: 1.69"
The wettest month (with the highest rainfall) is December (4.02").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in May
Selma, OR
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is March (18.7 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in May
Selma, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Selma, 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
Selma, OR
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in May
Selma, OR
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is July (26.7 days).
The month with the least sunshine days is March (10.8 days).
Average UV index in May
Selma, 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
Selma, OR
- Average cloud cover in May: 40
The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Selma, OR
- Average visibility in May: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
Selma, Oregon, USA
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