May weather forecast
Parker, WA

Share

Weather in May

May, the last month of the spring in Parker, is an agreeable month, with an average temperature varying between 69.6°F (20.9°C) and 48.2°F (9°C).

Temperature

Parker's transition into May sees a rise in the average high-temperature, advancing from a refreshing 59.5°F (15.3°C) in April to a pleasant 69.6°F (20.9°C). Parker in May anticipates an average nighttime temperature of 48.2°F (9°C).

Humidity

The average relative humidity in May is 49%.

Rainfall

In May, the rain falls for 8.1 days. Throughout May, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 78.5 rainfall days, and 5.16" (131mm) of precipitation is accumulated.

Snowfall

April through August and October are months without snowfall.

Daylight

The average length of the day in May is 15h and 2min.
On the first day of May, sunrise is at 5:45 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:46 pm PDT.

Sunshine

In May, the average sunshine is 11.4h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 during May leads to these advisories:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What is the usual temperature for Parker in May?

May temperatures vary between a high-temperature of 69.6°F (20.9°C) and a low-temperature of 48.2°F (9°C).

What is the average humidity in May?

In May, the average relative humidity is 49%.

How many days does it rain in May?

In May, in Parker, Washington, the rain falls for 8.1 days. Throughout May, 0.71" (18mm) of precipitation is accumulated.

When it does not snow?

In Parker, snow does not fall in April through August and October.

What is the average length of the day in May?

In May, the average day length is 15h and 2min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:45 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:46 pm PDT.

How many hours of sunshine does Parker have in May?

In May, the average sunshine duration is 11.4h.

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Parker, WA

Average temperature in May - Parker, WA
  • Average high temperature in May: 69.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is December (37°F).

  • Average low temperature in May: 48.2°F

The month with the highest average low temperature is August (61.2°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).

Average pressure in May
Parker, WA

Average pressure in May - Parker, WA
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in May
Parker, WA

Average wind speed in May - Parker, WA
  • Average wind speed in May: 6.8mph

The windiest months (with the highest average wind speed) are April and June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).

Average humidity in May
Parker, WA

Average humidity in May - Parker, WA
  • Average humidity in May: 49%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (38%).

Average rainfall in May
Parker, WA

Average rainfall in May - Parker, WA
  • Average rainfall in May: 0.71"

The wettest month (with the highest rainfall) is January (0.83").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in May
Parker, WA

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

The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is July (2.1 days).

Average snowfall in May
Parker, WA

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

The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in May
Parker, WA

Average snowfall days in May - Parker, 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 April, May, June, July, August and October (0 days).

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

Average daylight in May / Average sunshine in May - Parker, WA
  • Average daylight in May: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in May: 11h and 2min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

Average sunshine days in May
Parker, WA

Average sunshine days in May - Parker, WA
  • Average sunshine days in May: 20.8 days

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is February (17.9 days).

Average UV index in May
Parker, WA

Average UV index in May - Parker, WA
  • 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).

Average cloud cover in May
Parker, WA

Average cloud cover in May - Parker, WA
  • Average cloud cover in May: 22

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in May
Parker, WA

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

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

Parker, Washington, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location