May weather forecast
Wishram, WA

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Weather in May

May, the last month of the spring in Wishram, is a comfortable month, with an average temperature fluctuating between 67.3°F (19.6°C) and 45°F (7.2°C).

Temperature

With the onset of May, Wishram sees a temperature rise, with the average high-temperature moving from April's mild 57.4°F (14.1°C) to a still refreshing 67.3°F (19.6°C). The May nights bear witness to a significant drop from the daytime highs, settling at an average temperature of 45°F (7.2°C).

Humidity

The average relative humidity in May is 59%.

Rainfall

In Wishram, in May, it is raining for 8.1 days, with typically 0.79" (20mm) of accumulated precipitation. In Wishram, during the entire year, the rain falls for 112.2 days and collects up to 10.91" (277mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Wishram, the average length of the day in May is 14h and 56min.
On the first day of May, sunrise is at 5:50 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:45 pm PDT.

Sunshine

In May, the average sunshine is 11.1h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

During May, Wishram experiences an average high-temperature of 67.3°F (19.6°C) and a low-temperature of 45°F (7.2°C).

What is the average humidity in May?

In Wishram, the average relative humidity in May is 59%.

How many days does it rain in May?

In Wishram, during May, the rain falls for 8.1 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in May?

The average day length in May is 14h and 56min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 5:50 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:45 pm PDT.

How many hours of sunshine does Wishram have in May?

The average sunshine duration in May is 11.1h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
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
Wishram, WA

Average temperature in May - Wishram, WA
  • Average high temperature in May: 67.3°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).

  • Average low temperature in May: 45°F

The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).

Average pressure in May
Wishram, WA

Average pressure in May - Wishram, WA
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).

Average wind speed in May
Wishram, WA

Average wind speed in May - Wishram, WA
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).

Average humidity in May
Wishram, WA

Average humidity in May - Wishram, WA
  • Average humidity in May: 59%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).

Average rainfall in May
Wishram, WA

Average rainfall in May - Wishram, WA
  • Average rainfall in May: 0.79"

The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").

Average rainfall days in May
Wishram, WA

Average rainfall days in May - Wishram, WA
  • Average rainfall days in May: 8.1 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).

Average snowfall in May
Wishram, WA

Average snowfall in May - Wishram, WA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Wishram, WA

Average snowfall days in May - Wishram, WA
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are February and December (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Wishram, WA

Average daylight in May / Average sunshine in May - Wishram, WA
  • 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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in May
Wishram, WA

Average sunshine days in May - Wishram, WA
  • Average sunshine days in May: 20.4 days

The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).

Average UV index in May
Wishram, WA

Average UV index in May - Wishram, WA
  • Average UV index in May: 5

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
Wishram, WA

Average cloud cover in May - Wishram, WA
  • Average cloud cover in May: 25

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in May
Wishram, WA

Average visibility in May - Wishram, WA
  • Average visibility in May: 6mi

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

Wishram, Washington, USA

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