May weather forecast
Salkum, WA

Share

Weather in May

The last month of the spring, May, is a refreshing month in Salkum, Washington, with temperature in the range of an average high of 62.8°F (17.1°C) and an average low of 39.9°F (4.4°C).

Temperature

The onset of May introduces a subtle rise in the average high-temperature, nudging from a fresh 54.3°F (12.4°C) in April to a comfortable 62.8°F (17.1°C). Nightly average temperatures in May reveal a significant dip from daytime highs in Salkum, registering a consistent a cold 39.9°F (4.4°C).

Humidity

In May, the average relative humidity is 79%.

Rainfall

In Salkum, in May, it is raining for 12.8 days, with typically 1.26" (32mm) of accumulated precipitation. In Salkum, during the entire year, the rain falls for 149 days and collects up to 19.37" (492mm) of precipitation.

Snowfall

In Salkum, snow does not fall in May through October.

Daylight

The average length of the day in May in Salkum is 15h and 2min.
On the first day of the month, sunrise is at 5:54 am and sunset at 8:20 pm. On the last day of May, sunrise is at 5:21 am and sunset at 8:55 pm PDT.

Sunshine

In May, the average sunshine is 7.8h.

UV index

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 4 suggests these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Salkum in May?

In Salkum, 62.8°F (17.1°C) is the average high-temperature and 39.9°F (4.4°C) is the average low-temperature during May.

What is the average humidity in May in Salkum?

The average relative humidity in May is 79%.

How many days does it rain in May in Salkum?

In May, in Salkum, Washington, the rain falls for 12.8 days. Throughout May, 1.26" (32mm) of precipitation is accumulated.

When it does not snow in Salkum?

May through October are months without snowfall in Salkum.

Does it snow in Salkum in May?

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

What is the average length of the day in May in Salkum?

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

What time are sunrise and sunset in May in Salkum?

On the first day of May in Salkum, Washington, sunrise is at 5:54 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 8:55 pm PDT.

How many hours of sunshine does Salkum have in May?

In May, the average sunshine duration is 7.8h.

What is the UV index intensity in May in Salkum?

The average daily maximum UV index in May in Salkum, Washington, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Salkum, WA

Average temperature in May - Salkum, WA
  • Average high temperature in May: 62.8°F

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in May: 39.9°F

The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).

Average pressure in May
Salkum, WA

Average pressure in May - Salkum, WA
  • Average pressure in May: 30.03"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in May
Salkum, WA

Average wind speed in May - Salkum, WA
  • Average wind speed in May: 3.9mph

The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in May
Salkum, WA

Average humidity in May - Salkum, WA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (72%).

Average rainfall in May
Salkum, WA

Average rainfall in May - Salkum, WA
  • Average rainfall in May: 1.26"

The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in May
Salkum, WA

Average rainfall days in May - Salkum, WA
  • Average rainfall days in May: 12.8 days

The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is July (5.9 days).

Average snowfall in May
Salkum, WA

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

The month with the highest snowfall is January (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Salkum, WA

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

The month with the highest number of snowfall days is February (3.6 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
Salkum, WA

Average daylight in May / Average sunshine in May - Salkum, 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 36min).

  • Average sunshine in May: 7h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 42min).

Average sunshine days in May
Salkum, WA

Average sunshine days in May - Salkum, WA
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (12.1 days).

Average UV index in May
Salkum, WA

Average UV index in May - Salkum, WA
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in May
Salkum, WA

Average cloud cover in May - Salkum, WA
  • Average cloud cover in May: 53

The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Salkum, WA

Average visibility in May - Salkum, WA
  • Average visibility in May: 4mi

The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).

Salkum, Washington, USA

Weather forecast for your location

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