May weather forecastPrairie Ridge, WA

May

Weather in May

The last month of the spring, May, is a comfortable month in Prairie Ridge, Washington, with an average temperature fluctuating between 62.1°F (16.7°C) and 41.2°F (5.1°C).

Temperature

The onset of May brings a minor temperature shift, with the average high-temperature moving from a fresh 53.6°F (12°C) in April to an enjoyable 62.1°F (16.7°C). An average minimum temperature of 41.2°F (5.1°C) is recorded in Prairie Ridge during the month of May.

Humidity

In May, the average relative humidity is 77%.

Rainfall

In May, the rain falls for 14.6 days. Throughout May, 2.2" (56mm) of precipitation is accumulated. In Prairie Ridge, during the entire year, the rain falls for 187.8 days and collects up to 37.56" (954mm) of precipitation.

Snowfall

In Prairie Ridge, snow does not fall in May through October.

Daylight

In May, the average length of the day is 15h and 7min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:20 pm. On the last day of May, in Prairie Ridge, sunrise is at 5:16 am and sunset at 8:56 pm PDT.

Sunshine

The average sunshine in May is 8.7h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 4 during May leads to these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

May temperatures vary between a high-temperature of 62.1°F (16.7°C) and a low-temperature of 41.2°F (5.1°C).

The average relative humidity in May is 77%.

In Prairie Ridge, during May, the rain falls for 14.6 days and regularly aggregates up to 2.2" (56mm) of precipitation.

May through October are months without snowfall.

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

In Prairie Ridge, the average day length in May is 15h and 7min.

In May, on the first day of the month, sunrise is at 5:51 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:56 pm PDT.

In May, the average sunshine duration is 8.7h.

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Apr

May

Jun

Average high temperature

53.6°F

62.1°F

66.7°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.8mph

4.3mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

8.7

14.2

14.9

Average UV index

Average cloud cover

54%

46%

Average visibility

5mi

Average temperature in May
Prairie Ridge, WA

Average high temperature in May: 62.1°F

The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (41.2°F).

Average low temperature in May: 41.2°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (31.3°F).

Average pressure in May
Prairie Ridge, WA

Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in May
Prairie Ridge, WA

Average wind speed in May: 3.9mph

The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in May
Prairie Ridge, WA

Average humidity in May: 77%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (70%).

Average rainfall in May
Prairie Ridge, WA

Average rainfall in May: 2.2"

The wettest month (with the highest rainfall) is January (5.47").
The driest month (with the least rainfall) is July (0.51").

Average rainfall days in May
Prairie Ridge, WA

Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (6.7 days).

Average snowfall in May
Prairie Ridge, WA

Average snowfall in May: 0"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Prairie Ridge, WA

Average snowfall days in May: 0 days

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

Average daylight in May /
Average sunshine in May
Prairie Ridge, WA

Average daylight in May: 15h and 6min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

Average sunshine in May: 8h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

Average sunshine days in May
Prairie Ridge, WA

Average sunshine days in May: 14.2 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (7.9 days).

Average UV index in May
Prairie Ridge, WA

Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).