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 sees a slight increase in the average high-temperature, transitioning from a moderate 56.8°F (13.8°C) to an enjoyable 64.9°F (18.3°C). The anticipated average low-temperature for May in Trail, Oregon, a wintry 39.2°F (4°C), shows a substantial deviation from the daytime maximums.Humidity
In Trail, the average relative humidity in May is 73%.Rainfall
In Trail, during May, the rain falls for 12.7 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Trail, during the entire year, the rain falls for 131.5 days and collects up to 20.87" (530mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows in Trail. During 0.3 snowfall days, in May, Trail aggregates 0.04" (1mm) of snow. Throughout the year, there are 26.3 snowfall days, and 21.18" (538mm) of snow is accumulated.Daylight
The average length of the day in May in Trail is 14h and 39min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:12 pm. On the last day of May, in Trail, Oregon, sunrise is at 5:35 am and sunset at 8:42 pm PDT.
Sunshine
The average sunshine in May is 10.2h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary 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. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Trail in May?
What is the average humidity in May in Trail?
How much does it rain in Trail in May?
What is the last month it snows in Trail?
How many hours of daylight does Trail have in May?
When are sunrise and sunset in May in Trail?
How long on average sun shines in May in Trail?
What is the UV index intensity in May in Trail?
Average temperature in May
Trail, OR
- Average high temperature in May: 64.9°F
The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in May: 39.2°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 (30.4°F).
Average pressure in May
Trail, OR
- Average pressure in May: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).
Average wind speed in May
Trail, OR
- Average wind speed in May: 3.9mph
The windiest months (with the highest average wind speed) are January and March (4.3mph).
The calmest months (with the lowest average wind speed) are September and October (3.5mph).
Average humidity in May
Trail, OR
- Average humidity in May: 73%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is August (60%).
Average rainfall in May
Trail, OR
- Average rainfall in May: 1.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in May
Trail, OR
- Average rainfall days in May: 12.7 days
The month with the highest number of rainy days is March (18 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in May
Trail, OR
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Trail, OR
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Trail, 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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in May
Trail, OR
- Average sunshine days in May: 16.1 days
The months with the most sunshine days are July and August (25.9 days).
The month with the least sunshine days is March (10.7 days).
Average UV index in May
Trail, 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
Trail, OR
- Average cloud cover in May: 37
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in May
Trail, OR
- Average visibility in May: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Trail, Oregon, USA
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