June weather forecast
Hartline, WA

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Weather in June

The first month of the summer, June, is a warm month in Hartline, Washington, with an average temperature varying between 51.8°F (11°C) and 74.3°F (23.5°C).

Temperature

June's arrival brings a modest temperature shift, moving from an enjoyable 67.6°F (19.8°C) in May to a moderately hot 74.3°F (23.5°C). Hartline reports a substantial plunge from daytime highs during the nights of June, with an average low-temperature of 51.8°F (11°C).

Humidity

In Hartline, the average relative humidity in June is 49%.

Rainfall

In June, the rain falls for 8.4 days. Throughout June, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 102.1 rainfall days, and 9.65" (245mm) of precipitation is accumulated.

Snowfall

May 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 the month, sunrise is at 5:01 am and sunset at 8:47 pm. On the last day of June, sunrise is at 5:02 am and sunset at 8:58 pm PDT.

Sunshine

In Hartline, the average sunshine in June is 11.3h.

UV index

In Hartline, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: In June, the UV index of 6 transforms into the following advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Hartline in June?

An average high-temperature, in June, in Hartline, is 74.3°F (23.5°C) and the average low-temperature is 51.8°F (11°C).

What is the average humidity in June?

The average relative humidity in June is 49%.

How many days does it rain in June?

In Hartline, in June, it is raining for 8.4 days, with typically 0.75" (19mm) of accumulated precipitation.

When it does not snow?

In Hartline, Washington, snow does not fall in May through August.

When are the longest days?

The month with the longest days is June, with an average of 15h and 54min of daylight.

What is the average length of the day in June in Hartline?

In June, the average day length is 15h and 56min.

When are sunrise and sunset in June?

On the first day of June, sunrise is at 5:01 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 8:58 pm PDT.

How many hours of sunshine does Hartline have in June?

In June, the average sunshine duration is 11.3h.

What is the UV index intensity in June?

In June, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Hartline, WA

Average temperature in June - Hartline, WA
  • Average high temperature in June: 74.3°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (31.6°F).

  • Average low temperature in June: 51.8°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).

Average pressure in June
Hartline, WA

Average pressure in June - Hartline, WA
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in June
Hartline, WA

Average wind speed in June - Hartline, WA
  • Average wind speed in June: 6.3mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).

Average humidity in June
Hartline, WA

Average humidity in June - Hartline, WA
  • Average humidity in June: 49%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (36%).

Average rainfall in June
Hartline, WA

Average rainfall in June - Hartline, WA
  • Average rainfall in June: 0.75"

The wettest months (with the highest rainfall) are May and December (1.18").
The driest months (with the least rainfall) are July and August (0.2").

Average rainfall days in June
Hartline, WA

Average rainfall days in June - Hartline, WA
  • Average rainfall days in June: 8.4 days

The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.2 days).

Average snowfall in June
Hartline, WA

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

The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July and August (0").

Average snowfall days in June
Hartline, WA

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

The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in June / Average sunshine in June - Hartline, 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: 11h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in June
Hartline, WA

Average sunshine days in June - Hartline, WA
  • Average sunshine days in June: 19.9 days

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is March (14.7 days).

Average UV index in June
Hartline, WA

Average UV index in June - Hartline, WA
  • Average UV index in June: 6

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in June
Hartline, WA

Average cloud cover in June - Hartline, WA
  • Average cloud cover in June: 24

The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in June
Hartline, WA

Average visibility in June - Hartline, WA
  • Average visibility in June: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).

Hartline, Washington, USA

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