June weather forecast
Thornton, WA

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Weather in June

The first month of the summer, June, is an agreeable month in Thornton, Washington, with an average temperature varying between 48.6°F (9.2°C) and 71.1°F (21.7°C).

Temperature

June marks a minor ascent in the average high-temperature, adjusting from May's refreshing 64.4°F (18°C) to an agreeable 71.1°F (21.7°C). Thornton witnesses a consistent, sharp contrast from the daytime highs, with an average low-temperature of 48.6°F (9.2°C) throughout June.

Humidity

The average relative humidity in June is 62%.

Rainfall

In Thornton, in June, it is raining for 10.6 days, with typically 1.06" (27mm) of accumulated precipitation. In Thornton, during the entire year, the rain falls for 120.2 days and collects up to 14.69" (373mm) of precipitation.

Snowfall

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

Daylight

June has the longest days of the year, with an average of 15h and 48min of daylight.
On the first day of the month, sunrise is at 4:57 am and sunset at 8:37 pm. On the last day of June, sunrise is at 4:57 am and sunset at 8:48 pm PDT.

Sunshine

In June, the average sunshine in Thornton is 10.9h.

UV index

The average daily maximum UV index in June in Thornton is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In June, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What is the temperature in June in Thornton?

The average high-temperature and low-temperature during June are 71.1°F (21.7°C) and 48.6°F (9.2°C) respectively.

What is the average humidity in June in Thornton?

In June, the average relative humidity in Thornton, Washington, is 62%.

How many days does it rain in June in Thornton?

In Thornton, in June, it is raining for 10.6 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Thornton?

In Thornton, Washington, snow does not fall in June through August.

Does it snow in Thornton in June?

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

When are the longest days in Thornton?

With an average of 15h and 48min of daylight, June has the longest days of the year in Thornton, Washington.

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

In June, the average day length is 15h and 51min.

When is the sunrise / sunset in June in Thornton?

In June, on the first day of the month, sunrise is at 4:57 am and sunset at 8:37 pm. On the last day of the month, in Thornton, sunrise is at 4:57 am and sunset at 8:48 pm PDT.

How many hours of sunshine does Thornton have in June?

The average sunshine duration in June in Thornton, Washington, is 10.9h.

What is the UV index intensity in June in Thornton?

In June, the average daily maximum UV index 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
Thornton, WA

Average temperature in June - Thornton, WA
  • Average high temperature in June: 71.1°F

The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in June: 48.6°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).

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Average pressure in June
Thornton, WA

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in June
Thornton, WA

Average wind speed in June - Thornton, WA
  • Average wind speed in June: 6.6mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in June
Thornton, WA

Average humidity in June - Thornton, WA
  • Average humidity in June: 62%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (37%).

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Average rainfall in June
Thornton, WA

Average rainfall in June - Thornton, WA
  • Average rainfall in June: 1.06"

The wettest month (with the highest rainfall) is December (1.93").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in June
Thornton, WA

Average rainfall days in June - Thornton, WA
  • Average rainfall days in June: 10.6 days

The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is July (4.5 days).

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Average snowfall in June
Thornton, WA

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

The month with the highest snowfall is February (6.69").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in June
Thornton, WA

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

The months with the highest number of snowfall days are February and December (9.6 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in June / Average sunshine in June - Thornton, 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: 10h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).

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Average sunshine days in June
Thornton, WA

Average sunshine days in June - Thornton, WA
  • Average sunshine days in June: 17.8 days

The month with the most sunshine days is July (24.6 days).
The month with the least sunshine days is February (12.2 days).

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Average UV index in June
Thornton, WA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in June
Thornton, WA

Average cloud cover in June - Thornton, WA
  • Average cloud cover in June: 25

The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 11).

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Average visibility in June
Thornton, WA

Average visibility in June - Thornton, 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, February and December (5mi).

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Thornton, Washington, USA

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