June weather forecast
Union, WA

Share

Weather in June

June, the first month of the summer in Union, is a pleasant month, with an average temperature fluctuating between 45.5°F (7.5°C) and 68.5°F (20.3°C).

Temperature

Union marks the start of June with an average high-temperature of a pleasant 68.5°F (20.3°C), hinting at a slight fluctuation from May's 63.9°F (17.7°C). Union in June observes a substantial swing from the daily highs, with average nighttime temperatures of 45.5°F (7.5°C).

Humidity

In June, the average relative humidity in Union is 76%.

Rainfall

In June, the rain falls for 11.9 days. Throughout June, 1.3" (33mm) of precipitation is accumulated. In Union, during the entire year, the rain falls for 185.4 days and collects up to 42.87" (1089mm) of precipitation.

Snowfall

In Union, snow does not fall in April through October.

Daylight

June has the longest days of the year in Union, with an average of 15h and 54min of daylight.
On the first day of June in Union, Washington, sunrise is at 5:19 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 9:12 pm PDT.

Sunshine

In June, the average sunshine is 9.5h.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In June, a daily maximum UV index of 5 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Union in June?

The high-temperature, in June, in Union, is 68.5°F (20.3°C), while the low-temperature averages to 45.5°F (7.5°C).

What is the average humidity in June in Union?

In June, the average relative humidity is 76%.

How many days does it rain in June in Union?

In Union, in June, it is raining for 11.9 days, with typically 1.3" (33mm) of accumulated precipitation.

When it does not snow in Union?

In Union, snow does not fall in April through October.

When are the longest days in Union?

June has the longest days of the year in Union, Washington, with an average of 15h and 54min of daylight.

How many hours of daylight does Union have in June?

The average day length in June in Union, Washington, is 15h and 53min.

When is the sunrise / sunset in June in Union?

In June, on the first day of the month, sunrise is at 5:19 am and sunset at 9:01 pm. On the last day of the month, in Union, sunrise is at 5:19 am and sunset at 9:12 pm PDT.

How many hours of sunshine does Union have in June?

In June, the average sunshine duration in Union, Washington, is 9.5h.

What are the months with the highest UV index in Union?

The months with the highest UV index are June and July, with an average maximum UV index of 5.

What is the UV index intensity in June in Union?

The average daily maximum UV index in June in Union is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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 June
Union, WA

Average temperature in June - Union, WA
  • Average high temperature in June: 68.5°F

The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (41.5°F).

  • Average low temperature in June: 45.5°F

The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is February (32.7°F).

Average pressure in June
Union, WA

Average pressure in June - Union, WA
  • Average pressure in June: 30.05"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

Average wind speed in June
Union, WA

Average wind speed in June - Union, WA
  • Average wind speed in June: 4mph

The windiest month (with the highest average wind speed) is March (4.3mph).
The calmest month (with the lowest average wind speed) is September (3.4mph).

Average humidity in June
Union, WA

Average humidity in June - Union, WA
  • Average humidity in June: 76%

The months with the highest relative humidity are November and December (90%).
The month with the lowest relative humidity is July (72%).

Average rainfall in June
Union, WA

Average rainfall in June - Union, WA
  • Average rainfall in June: 1.3"

The wettest month (with the highest rainfall) is January (7.24").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in June
Union, WA

Average rainfall days in June - Union, WA
  • Average rainfall days in June: 11.9 days

The month with the highest number of rainy days is March (21.4 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in June
Union, WA

Average snowfall in June - Union, WA
  • Average snowfall in June: 0"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Union, WA

Average snowfall days in June - Union, WA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Union, WA

Average daylight in June / Average sunshine in June - Union, WA
  • Average daylight in June: 15h and 5min

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 30min).

  • Average sunshine in June: 9h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in June
Union, WA

Average sunshine days in June - Union, WA
  • Average sunshine days in June: 15.4 days

The month with the most sunshine days is July (21.7 days).
The month with the least sunshine days is March (7.5 days).

Average UV index in June
Union, WA

Average UV index in June - Union, WA
  • Average UV index in June: 5

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

Average cloud cover in June
Union, WA

Average cloud cover in June - Union, WA
  • Average cloud cover in June: 47

The months with the most cloud cover are January and December (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in June
Union, WA

Average visibility in June - Union, WA
  • Average visibility in June: 5mi

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

Union, Washington, USA

Weather forecast for your location

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