May weather forecast
Shaniko, OR

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Weather in May

The last month of the spring, May, is a refreshing month in Shaniko, Oregon, with temperature in the range of an average high of 64.4°F (18°C) and an average low of 42.3°F (5.7°C).

Temperature

The onset of May brings a rise in the average high-temperature, elevating from a fresh 54.9°F (12.7°C) in April to an enjoyable 64.4°F (18°C). Shaniko sees a large disparity in day to night temperatures in May, with the night temperature dropping to an average of 42.3°F (5.7°C).

Humidity

In May, the average relative humidity is 59%.

Rainfall

In Shaniko, during May, the rain falls for 10.6 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, there are 121.1 rainfall days, and 11.38" (289mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Shaniko aggregates 0.04" (1mm) of snow. Throughout the year, there are 35.3 snowfall days, and 17.6" (447mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 53min.
On the first day of the month, sunrise is at 5:50 am and sunset at 8:09 pm. On the last day of May, sunrise is at 5:19 am and sunset at 8:42 pm PDT.

Sunshine

In May, the average sunshine is 11.1h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 4 during May translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What are May temperatures in Shaniko?

In Shaniko, 64.4°F (18°C) is the average high-temperature and 42.3°F (5.7°C) is the average low-temperature during May.

What is the average humidity in May?

The average relative humidity in May is 59%.

How much does it rain in May?

In May, the rain falls for 10.6 days. Throughout May, 0.91" (23mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Shaniko aggregates 0.04" (1mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 53min.

When are sunrise and sunset in May?

On the first day of May in Shaniko, Oregon, sunrise is at 5:50 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:42 pm PDT.

How many hours of sunshine does Shaniko have in May?

In May, the average sunshine duration is 11.1h.

What is the UV index intensity in May?

In Shaniko, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Shaniko, OR

Average temperature in May - Shaniko, OR
  • Average high temperature in May: 64.4°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in May: 42.3°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

Average pressure in May
Shaniko, OR

Average pressure in May - Shaniko, OR
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

Average wind speed in May
Shaniko, OR

Average wind speed in May - Shaniko, OR
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Shaniko, OR

Average humidity in May - Shaniko, OR
  • Average humidity in May: 59%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (48%).

Average rainfall in May
Shaniko, OR

Average rainfall in May - Shaniko, OR
  • Average rainfall in May: 0.91"

The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in May
Shaniko, OR

Average rainfall days in May - Shaniko, OR
  • Average rainfall days in May: 10.6 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).

Average snowfall in May
Shaniko, OR

Average snowfall in May - Shaniko, OR
  • Average snowfall in May: 0.04"

The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").

Average snowfall days in May
Shaniko, OR

Average snowfall days in May - Shaniko, OR
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Shaniko, 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 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in May
Shaniko, OR

Average sunshine days in May - Shaniko, OR
  • Average sunshine days in May: 17.8 days

The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).

Average UV index in May
Shaniko, OR

Average UV index in May - Shaniko, OR
  • Average UV index in May: 4

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

Average cloud cover in May
Shaniko, OR

Average cloud cover in May - Shaniko, OR
  • Average cloud cover in May: 28

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).

Average visibility in May
Shaniko, OR

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

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).

Shaniko, Oregon, USA

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