May weather forecastGlendale, OR
May
Weather in May
The last month of the spring, May, is an enjoyable month in Glendale, Oregon, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 65.8°F (18.8°C).Temperature
The shift from April to May is marked by a slight increase in the average high-temperature, moving from a refreshing 57.7°F (14.3°C) to an enjoyable 65.8°F (18.8°C). A sharp reduction from the daytime highs is witnessed during May, with nighttime temperatures averaging a low of 39.7°F (4.3°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In Glendale, in May, during 10.1 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Glendale, during the entire year, the rain falls for 100 days and collects up to 13.27" (337mm) of precipitation.Snowfall
In Glendale, snow does not fall in May through October.Daylight
The average length of the day in May is 14h and 39min.On the first day of the month, sunrise is at 6:06 am and sunset at 8:14 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:44 pm PDT.
Sunshine
In Glendale, the average sunshine in May is 9.6h.UV index
In Glendale, 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: A maximum UV index of 4 in May translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Glendale, OR
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (45°F).
- Average low temperature in May: 39.7°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (31.3°F).
Average pressure in May
Glendale, 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
Glendale, OR
- Average wind speed in May: 3.7mph
The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in May
Glendale, OR
- Average humidity in May: 75%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).
Average rainfall in May
Glendale, OR
- Average rainfall in May: 1.22"
The wettest months (with the highest rainfall) are January and December (2.2").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in May
Glendale, OR
- Average rainfall days in May: 10.1 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in May
Glendale, OR
- Average snowfall in May: 0"
The month with the highest snowfall is February (5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Glendale, OR
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Glendale, OR
- Average daylight in May: 14h and 42min
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: 9h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in May
Glendale, OR
- Average sunshine days in May: 18.4 days
The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is March (13.8 days).
Average UV index in May
Glendale, 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
Glendale, OR
- Average cloud cover in May: 42
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Glendale, OR
- Average visibility in May: 4mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
