May weather forecast
Pendleton, OR

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These large silos and creatively shaped red barns stand in the middle of a vast field of harvested wheat, in Pendleton, Oregon
These large silos and creatively shaped red barns stand in the middle of a vast field of harvested wheat, in Pendleton, Oregon

Weather in May

May invites warmer temperatures as Pendleton transitions further into spring. A noticeable improvement in daylight hours allows residents and visitors to partake in more daytime activities. This month's weather also greets us with less cloud cover and increased sunshine hours compared to April. The relative humidity drops to 58%, and wind speeds slow down, making the weather feel pleasurably balmy. The city is seen at its aesthetic peak, ideal for photography enthusiasts and nature lovers.

Temperature

Pendleton's transition into May sees a rise in the average high-temperature, advancing from a mild 57.6°F in April to a comfortable 66.7°F. Pendleton's nighttime temperature in May falls to an average of 46.6°F.

Humidity

In May, the average relative humidity is 58%.

Rainfall

In May, in Pendleton, the rain falls for 13.1 days. Throughout May, 1.26" of precipitation is accumulated. Throughout the year, in Pendleton, Oregon, there are 132.7 rainfall days, and 12.91" of precipitation is accumulated.

Snowfall

In Pendleton, snow does not fall in May through August and October.

Daylight

In May, the average length of the day is 14h and 57min.
On the first day of May in Pendleton, Oregon, sunrise is at 5:42 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:36 pm PDT.

Sunshine

The average sunshine in May is 11h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 5 in May translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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FAQ

What is the temperature in May in Pendleton?

In Pendleton, 66.7°F is the average high-temperature and 46.6°F is the average low-temperature during May.

What is the average humidity in May in Pendleton?

In Pendleton, Oregon, the average relative humidity in May is 58%.

How many days does it rain in May in Pendleton?

In May, the rain falls for 13.1 days. Throughout May, 1.26" of precipitation is accumulated.

When it does not snow in Pendleton?

In Pendleton, snow does not fall in May through August and October.

Does it snow in Pendleton in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

In May, the average day length is 14h and 57min.

What time are sunrise and sunset in May in Pendleton?

In May, on the first day of the month, sunrise is at 5:42 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:36 pm PDT.

How long on average sun shines in May in Pendleton?

In Pendleton, the average sunshine duration in May is 11h.

What is the UV index intensity in May in Pendleton?

In Pendleton, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Pendleton, OR

Average temperature in May - Pendleton, OR
  • Average high temperature in May: 66.7°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in May: 46.6°F

The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (27.3°F).

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Average pressure in May
Pendleton, OR

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

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in May
Pendleton, OR

Average wind speed in May - Pendleton, OR
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

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Average humidity in May
Pendleton, OR

Average humidity in May - Pendleton, OR
  • Average humidity in May: 58%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in May
Pendleton, OR

Average rainfall in May - Pendleton, OR
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is March (1.65").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in May
Pendleton, OR

Average rainfall days in May - Pendleton, OR
  • Average rainfall days in May: 13.1 days

The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (3.6 days).

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Average snowfall in May
Pendleton, OR

Average snowfall in May - Pendleton, OR
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in May
Pendleton, OR

Average snowfall days in May - Pendleton, OR
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in May / Average sunshine in May - Pendleton, 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: 11h and 0min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in May
Pendleton, OR

Average sunshine days in May - Pendleton, OR
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (11.7 days).

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Average UV index in May
Pendleton, OR

Average UV index in May - Pendleton, OR
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Pendleton, OR

Average cloud cover in May - Pendleton, OR
  • Average cloud cover in May: 27

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in May
Pendleton, OR

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

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

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Pendleton, Oregon, USA

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