June weather forecastRoslyn, WA

June

Weather in June

June, the first month of the summer in Roslyn, is a refreshing month, with an average temperature ranging between min 41.9°F (5.5°C) and max 64°F (17.8°C).

Temperature

The onset of June marks a slight increase in the average high-temperature, moving from a mild 57.7°F (14.3°C) in May to an enjoyable 64°F (17.8°C). Roslyn anticipates a considerable drop in temperature at night in June, with an average low of 41.9°F (5.5°C).

Humidity

In Roslyn, the average relative humidity in June is 68%.

Rainfall

In Roslyn, during June, the rain falls for 11.7 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Roslyn, during the entire year, the rain falls for 161.2 days and collects up to 28.46" (723mm) of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

With an average of 15h and 54min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:11 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:03 pm PDT.

Sunshine

In Roslyn, the average sunshine in June is 11.2h.

UV index

The average daily maximum UV index in June is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In June, the average maximum UV index of 4 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Updated: Aug 5, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In June, the average high-temperature and low-temperature are 64°F (17.8°C) and 41.9°F (5.5°C) respectively.

The average relative humidity in June is 68%.

In Roslyn, in June, during 11.7 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

In Roslyn, snow does not fall in June through August.

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

With an average of 15h and 54min of daylight, June has the longest days of the year.

In Roslyn, the average day length in June is 15h and 52min.

In June, on the first day of the month, sunrise is at 5:11 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 9:03 pm PDT.

In Roslyn, the average sunshine duration in June is 11.2h.

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

Today

Tomorrow

Long-term

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

May

June

Jul

Average high temperature

57.7°F

64°F

74.8°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.3mph

7.2mph

7.1mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

16.1

11.7

Average snowfall

0.04"

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.2

14.3

21.9

Average UV index

Average cloud cover

Average visibility

Average temperature in June
Roslyn, WA

Average high temperature in June: 64°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (29.7°F).

Average low temperature in June: 41.9°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 (18.3°F).

Average pressure in June
Roslyn, WA

Average pressure in June: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

Average wind speed in June
Roslyn, WA

Average wind speed in June: 6.7mph

The windiest month (with the highest average wind speed) is June (6.7mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

Average humidity in June
Roslyn, WA

Average humidity in June: 68%

The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are July and August (60%).

Average rainfall in June
Roslyn, WA

Average rainfall in June: 1.06"

The wettest month (with the highest rainfall) is January (4.41").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in June
Roslyn, WA

Average rainfall days in June: 11.7 days

The months with the highest number of rainy days are March and April (18.3 days).
The month with the least rainy days is August (5.5 days).

Average snowfall in June
Roslyn, WA

Average snowfall in June: 0"

The month with the highest snowfall is January (16.3").
The months with the least snowfall are June, July and August (0").

Average snowfall days in June
Roslyn, WA

Average snowfall days in June: 0 days

The month with the highest number of snowfall days is December (15.1 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in June: 15h and 54min

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 June: 11h and 12min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in June
Roslyn, WA

Average sunshine days in June: 14.3 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (6.8 days).

Average UV index in June
Roslyn, WA

Average UV index in June: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).