May weather forecast
Enterprise, OR

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Broken fences in grass fields at the foot of the iconic Wallowa Mountain in Enterprise, Oregon
Broken fences in grass fields at the foot of the iconic Wallowa Mountain in Enterprise, Oregon

Weather in May

May, the last month of the spring in Enterprise, is a mild month, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 58.3°F (14.6°C).

Temperature

May's onset is marked by a temperature increase, moving from a chilly 47.8°F (8.8°C) in April to a refreshing 58.3°F (14.6°C). In Enterprise, the nighttime chill during May is a clear shift from the day's highs, with an average of 36°F (2.2°C).

Humidity

The average relative humidity in May is 69%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.07" (78mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Enterprise, during May, snow falls for 2.2 days and regularly aggregates up to 0.71" (18mm) of snow. Throughout the year, there are 89.9 snowfall days, and 68.82" (1748mm) of snow is accumulated.

Daylight

In Enterprise, the average length of the day in May is 14h and 55min.
On the first day of the month, sunrise is at 5:35 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:04 am and sunset at 8:29 pm PDT.

Sunshine

In Enterprise, the average sunshine in May is 10.3h.

UV index

The average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 in May interprets into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

An average high-temperature, in May, in Enterprise, is 58.3°F (14.6°C) and the average low-temperature is 36°F (2.2°C).

What is the average humidity in May?

In May, the average relative humidity is 69%.

What is the rainiest month in Enterprise?

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.07" (78mm) of precipitation.

How many days does it rain in May?

In Enterprise, in May, during 17.3 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

How much does it snow in May?

In May, it is snowing for 2.2 days. Throughout May, 0.71" (18mm) of snow is accumulated.

What is the average length of the day in May in Enterprise?

In Enterprise, the average day length in May is 14h and 55min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:35 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 8:29 pm PDT.

How many hours of sunshine does Enterprise have in May?

In Enterprise, the average sunshine duration in May is 10.3h.

What is the UV index intensity in May in Enterprise?

In Enterprise, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Enterprise, OR

Average temperature in May - Enterprise, OR
  • Average high temperature in May: 58.3°F

The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in May: 36°F

The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).

Average pressure in May
Enterprise, OR

Average pressure in May - Enterprise, OR
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).

Average wind speed in May
Enterprise, OR

Average wind speed in May - Enterprise, OR
  • Average wind speed in May: 4.6mph

The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in May
Enterprise, OR

Average humidity in May - Enterprise, OR
  • Average humidity in May: 69%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (46%).

Average rainfall in May
Enterprise, OR

Average rainfall in May - Enterprise, OR
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is July (0.83").

Average rainfall days in May
Enterprise, OR

Average rainfall days in May - Enterprise, OR
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is August (5.8 days).

Average snowfall in May
Enterprise, OR

Average snowfall in May - Enterprise, OR
  • Average snowfall in May: 0.71"

The month with the highest snowfall is February (15.98").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Enterprise, OR

Average snowfall days in May - Enterprise, OR
  • Average snowfall days in May: 2.2 days

The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in May /
Average sunshine in May
Enterprise, OR

Average daylight in May / Average sunshine in May - Enterprise, OR
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in May
Enterprise, OR

Average sunshine days in May - Enterprise, OR
  • Average sunshine days in May: 10.6 days

The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (8 days).

Average UV index in May
Enterprise, OR

Average UV index in May - Enterprise, OR
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in May
Enterprise, OR

Average cloud cover in May - Enterprise, OR
  • Average cloud cover in May: 35

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 11).

Average visibility in May
Enterprise, OR

Average visibility in May - Enterprise, OR
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

Enterprise, Oregon, USA

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