May weather - Spring 2024

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

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

May's onset in Pendleton witnesses a shift in the average high-temperature, moving from a moderate 57.6°F (14.2°C) in April to a comfortable 66.7°F (19.3°C). During May, the nighttime temperature in Pendleton averages to a frosty 46.6°F (8.1°C).

Humidity

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

Rainfall

In May, the rain falls for 13.1 days. Throughout May, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 132.7 rainfall days, and 12.91" (328mm) 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 in Pendleton, Oregon, is 14h and 57min.
On the first day of the month, sunrise is at 5:41 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:09 am and sunset at 8:36 pm PDT.

Sunshine

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

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the maximum UV index of 5 suggests this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

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Frequently asked questions

What is the usual temperature for Pendleton in May?

The average high-temperature and low-temperature in Pendleton during May are 66.7°F (19.3°C) and 46.6°F (8.1°C) respectively.

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 Pendleton, during May, the rain falls for 13.1 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow in Pendleton?

May through August and October are months without snowfall.

Does it snow in Pendleton in May?

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

When are sunrise and sunset in May in Pendleton?

On the first day of May, sunrise is at 5:41 am and sunset at 8:03 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?

The average sunshine duration in May in Pendleton is 11h.

What is the UV index reading in May in Pendleton?

In Pendleton, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

57.6°F 14.2°C

66.7°F 19.3°C

73.9°F 23.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.1mph 14.6km/h

8mph 12.9km/h

8.4mph 13.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.8

15.3

18.8

Average UV index

Average cloud cover

Average visibility

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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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May weather forecast
Pendleton, OR

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