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
The shift from April to May introduces a subtle increase in the average high-temperature, moving from a cool 54.3°F (12.4°C) to an enjoyable 63.1°F (17.3°C). Prospect registers a significant reduction from the day's heat, with an average temperature drop to a wintry 38.1°F (3.4°C) in May.Humidity
The average relative humidity in May is 74%.Rainfall
In Prospect, in May, during 13.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Prospect, there are 140 rainfall days, and 23.78" (604mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Prospect. May is the last month it regularly snows in Prospect, Oregon. During 0.2 snowfall days, in May, Prospect aggregates 0.04" (1mm) of snow. In Prospect, Oregon, during the entire year, snow falls for 25 days and aggregates up to 21.77" (553mm) of snow.Daylight
In May, the average length of the day is 14h and 40min.On the first day of May, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:41 pm PDT.
Sunshine
The average sunshine in May in Prospect is 10h.UV index
In Prospect, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the temperature in May in Prospect?
What is the average humidity in May in Prospect?
How much does it rain in Prospect in May?
What is the last month it snows in Prospect?
How many hours of daylight does Prospect have in May?
When are sunrise and sunset in May in Prospect?
How many hours of sunshine does Prospect have in May?
How high is the UV index in May in Prospect?
Average temperature in May
Prospect, OR
- Average high temperature in May: 63.1°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in May: 38.1°F
The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (28.6°F).
Average pressure in May
Prospect, OR
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in May
Prospect, OR
- Average wind speed in May: 4.3mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in May
Prospect, OR
- Average humidity in May: 74%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Prospect, OR
- Average rainfall in May: 1.73"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in May
Prospect, OR
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is July (3.8 days).
Average snowfall in May
Prospect, OR
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (6.77").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Prospect, OR
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Prospect, 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Prospect, OR
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (10 days).
Average UV index in May
Prospect, 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
Prospect, OR
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in May
Prospect, OR
- Average visibility in May: 5mi
The months with the highest visibility are July, August and September (6mi).
The month with the lowest visibility is December (4mi).
Prospect, Oregon, USA
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