June weather forecast
Hillsboro, OR

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The red tree colors of the fall along a road and amid trees in this tranquil neighborhood in Hillsboro, Oregon
The red tree colors of the fall along a road and amid trees in this tranquil neighborhood in Hillsboro, Oregon

Weather in June

June greets Hillsboro with the arrival of summer, with temperatures that can soar up to 72.7°F (22.6°C). This relatively drier month features clearer skies and longer daylight hours, casting a warm, inviting hue over the city. Notably, the rainfall dramatically drops from May's figures, with precipitation even more infrequent. Radiant sunlight averaging around 8.9 hours per day ensures ample opportunities to experience outdoor summer activities. The summer solstice that occurs in June, with an average of 15.6 hours of daylight, marks the longest day of the year.

Temperature

In Hillsboro, the average high-temperature in June slightly increases from a comfortable 67.1°F (19.5°C) in May to an agreeable 72.7°F (22.6°C). In June, Hillsboro endures a notable temperature shift from day to night, with lows averaging at a frosty 48.7°F (9.3°C).

Humidity

In Hillsboro, the average relative humidity in June is 71%.

Rainfall

In Hillsboro, Oregon, during June, the rain falls for 11.4 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Hillsboro, there are 173 rainfall days, and 29.49" (749mm) of precipitation is accumulated.

Snowfall

In Hillsboro, Oregon, snow does not fall in April through October.

Daylight

The month with the longest days in Hillsboro is June, with an average of 15h and 36min of daylight.
On the first day of the month, sunrise is at 5:25 am and sunset at 8:53 pm. On the last day of June, in Hillsboro, sunrise is at 5:27 am and sunset at 9:04 pm PDT.

Sunshine

The average sunshine in June in Hillsboro, Oregon, is 8.9h.

UV index

In Hillsboro, the average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 5 during June translates into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are June temperatures in Hillsboro?

The high-temperature, in June, in Hillsboro, is 72.7°F (22.6°C), while the low-temperature averages to 48.7°F (9.3°C).

What is the average humidity in June in Hillsboro?

The average relative humidity in June in Hillsboro is 71%.

How many days does it rain in June in Hillsboro?

In Hillsboro, in June, it is raining for 11.4 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Hillsboro?

In Hillsboro, Oregon, snow does not fall in April through October.

When are the longest days in Hillsboro?

The month with the longest days in Hillsboro, Oregon, is June, with an average of 15h and 36min of daylight.

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

In Hillsboro, the average day length in June is 15h and 38min.

When are sunrise and sunset in June in Hillsboro?

In June, on the first day of the month, sunrise is at 5:25 am and sunset at 8:53 pm. On the last day of the month, in Hillsboro, sunrise is at 5:27 am and sunset at 9:04 pm PDT.

How many hours of sunshine does Hillsboro have in June?

In June, the average sunshine duration in Hillsboro, Oregon, is 8.9h.

How high is the UV index in June in Hillsboro?

In June, the average daily maximum UV index in Hillsboro, Oregon, is 5. A UV Index reading of 3 to 5 represents 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
Hillsboro, OR

Average temperature in June - Hillsboro, OR
  • Average high temperature in June: 72.7°F

The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (43.9°F).

  • Average low temperature in June: 48.7°F

The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (34°F).

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Average pressure in June
Hillsboro, OR

Average pressure in June - Hillsboro, OR
  • Average pressure in June: 30.04"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in June
Hillsboro, OR

Average wind speed in June - Hillsboro, OR
  • Average wind speed in June: 4.3mph

The windiest month (with the highest average wind speed) is March (5mph).
The calmest months (with the lowest average wind speed) are June, August and September (4.3mph).

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Average humidity in June
Hillsboro, OR

Average humidity in June - Hillsboro, OR
  • Average humidity in June: 71%

The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in June
Hillsboro, OR

Average rainfall in June - Hillsboro, OR
  • Average rainfall in June: 1.1"

The wettest month (with the highest rainfall) is January (4.57").
The driest month (with the least rainfall) is August (0.31").

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Average rainfall days in June
Hillsboro, OR

Average rainfall days in June - Hillsboro, OR
  • Average rainfall days in June: 11.4 days

The month with the highest number of rainy days is March (20.8 days).
The month with the least rainy days is August (4.4 days).

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Average snowfall in June
Hillsboro, OR

Average snowfall in June - Hillsboro, OR
  • Average snowfall in June: 0"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
Hillsboro, OR

Average snowfall days in June - Hillsboro, OR
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Hillsboro, OR

Average daylight in June / Average sunshine in June - Hillsboro, OR
  • Average daylight in June: 15h and 4min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in June: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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Average sunshine days in June
Hillsboro, OR

Average sunshine days in June - Hillsboro, OR
  • Average sunshine days in June: 16.2 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (8.5 days).

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Average UV index in June
Hillsboro, OR

Average UV index in June - Hillsboro, OR
  • 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).

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Average cloud cover in June
Hillsboro, OR

Average cloud cover in June - Hillsboro, OR
  • Average cloud cover in June: 45

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in June
Hillsboro, OR

Average visibility in June - Hillsboro, OR
  • Average visibility in June: 5mi

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

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Hillsboro, Oregon, USA

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