June weather forecast
Roy, WA

Share

Weather in June

June, the first month of the summer in Roy, is a pleasant month, with an average temperature fluctuating between 46.4°F (8°C) and 70.2°F (21.2°C).

Temperature

As June takes hold, the average high-temperature is an agreeable 70.2°F (21.2°C), nearly mirroring that of the previous month. Roy, in June, displays a significant temperature downturn during the night, with an average reading of 46.4°F (8°C).

Humidity

In June, the average relative humidity is 74%.

Rainfall

In Roy, during June, the rain falls for 11.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 174.2 rainfall days, and 31.06" (789mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The month with the longest days in Roy, Washington, is June, with an average of 15h and 48min of daylight.
On the first day of the month, sunrise is at 5:18 am and sunset at 8:57 pm. On the last day of June, sunrise is at 5:19 am and sunset at 9:09 pm PDT.

Sunshine

In June, the average sunshine in Roy is 9.3h.

UV index

In June, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in June interprets into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Roy in June?

June temperatures in Roy, Washington, vary between a high-temperature of 70.2°F (21.2°C) and a low-temperature of 46.4°F (8°C).

What is the average humidity in June in Roy?

In June, the average relative humidity in Roy is 74%.

How many days does it rain in June in Roy?

In Roy, during June, the rain falls for 11.6 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow in Roy?

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

When are the longest days in Roy?

June has the longest days of the year, with an average of 15h and 48min of daylight.

How many hours of daylight does Roy have in June?

The average day length in June in Roy is 15h and 50min.

What time are sunrise and sunset in June in Roy?

On the first day of June in Roy, sunrise is at 5:18 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 9:09 pm PDT.

How many hours of sunshine does Roy have in June?

In June, the average sunshine duration is 9.3h.

How high is the UV index in June in Roy?

The average daily maximum UV index in June in Roy, Washington, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Roy, WA

Average temperature in June - Roy, WA
  • Average high temperature in June: 70.2°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).

  • Average low temperature in June: 46.4°F

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is February (34°F).

Average pressure in June
Roy, WA

Average pressure in June - Roy, WA
  • Average pressure in June: 30.03"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in June
Roy, WA

Average wind speed in June - Roy, WA
  • Average wind speed in June: 4.2mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in June
Roy, WA

Average humidity in June - Roy, WA
  • Average humidity in June: 74%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (69%).

Average rainfall in June
Roy, WA

Average rainfall in June - Roy, WA
  • Average rainfall in June: 1.14"

The wettest month (with the highest rainfall) is December (4.96").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in June
Roy, WA

Average rainfall days in June - Roy, WA
  • Average rainfall days in June: 11.6 days

The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is August (5.2 days).

Average snowfall in June
Roy, WA

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

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

Average snowfall days in June
Roy, WA

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

The month with the highest number of snowfall days is February (2.8 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
Roy, WA

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

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 June: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).

Average sunshine days in June
Roy, WA

Average sunshine days in June - Roy, WA
  • Average sunshine days in June: 16 days

The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is November (9.1 days).

Average UV index in June
Roy, WA

Average UV index in June - Roy, WA
  • Average UV index in June: 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 June
Roy, WA

Average cloud cover in June - Roy, WA
  • Average cloud cover in June: 45

The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in June
Roy, WA

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

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).

Roy, Washington, USA

Weather forecast for your location

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