August weather forecast
Hartline, WA

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Weather in August

August, the last month of the summer in Hartline, is another warm month, with an average temperature ranging between min 61.3°F (16.3°C) and max 84.2°F (29°C).

Temperature

On the advent of August, Hartline's average high-temperature exhibits a minor adjustment to a still moderately hot 84.2°F (29°C) from July's 84.9°F (29.4°C). August nights in Hartline present a sharp contrast to daytime highs, with average temperatures of 61.3°F (16.3°C).

Humidity

The least humid month is August, with an average relative humidity of 36%.

Rainfall

July and August are months with the least rain in Hartline when the rain falls for 3.2 days and typically aggregates up to 0.2" (5mm) of rain.

Snowfall

May through August are months without snowfall.

Daylight

In Hartline, the average length of the day in August is 14h and 13min.
On the first day of August in Hartline, sunrise is at 5:34 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:38 pm PDT.

Sunshine

August has the most sunshine of the year, with an average of 12.1h of sunshine.

UV index

In Hartline, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, a daily UV index of 5 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

Is it hot in Hartline during August?

Hartline in August has an average high-temperature of 84.2°F (29°C) and an average low-temperature of 61.3°F (16.3°C).

What is the least humid month in Hartline?

The least humid month in Hartline is August, with an average relative humidity of 36%.

What is the average humidity in August in Hartline?

In August, the average relative humidity in Hartline, Washington, is 36%.

What is the driest month in Hartline?

July and August are months with the least rain in Hartline, Washington, when the rain falls for 3.2 days and typically aggregates up to 0.2" (5mm) of rain.

How many days does it rain in August in Hartline?

In Hartline, in August, it is raining for 3.2 days, with typically 0.2" (5mm) of accumulated precipitation.

When it does not snow in Hartline?

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

Does it snow in Hartline in August?

In Hartline, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Hartline have in August?

In Hartline, the average day length in August is 14h and 13min.

What time are sunrise and sunset in August in Hartline?

On the first day of August in Hartline, sunrise is at 5:34 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 7:38 pm PDT.

What month has the most sunshine in Hartline?

With an average of 12.1h of sunshine, August has the most sunshine of the year.

How long on average sun shines in August in Hartline?

The average sunshine duration in August in Hartline, Washington, is 12.1h.

What is the UV index reading in August in Hartline?

The average daily maximum UV index in August in Hartline is 5. A UV Index 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 August
Hartline, WA

Average temperature in August - Hartline, WA
  • Average high temperature in August: 84.2°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 August: 61.3°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).

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Average pressure in August
Hartline, WA

Average pressure in August - Hartline, WA
  • Average pressure in August: 29.91"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).

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Average wind speed in August
Hartline, WA

Average wind speed in August - Hartline, WA
  • Average wind speed in August: 5.7mph

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).

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Average humidity in August
Hartline, WA

Average humidity in August - Hartline, WA
  • Average humidity in August: 36%

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

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Average rainfall in August
Hartline, WA

Average rainfall in August - Hartline, WA
  • Average rainfall in August: 0.2"

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").

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Average rainfall days in August
Hartline, WA

Average rainfall days in August - Hartline, WA
  • Average rainfall days in August: 3.2 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).

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Average snowfall in August
Hartline, WA

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

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

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Average snowfall days in August
Hartline, WA

Average snowfall days in August - Hartline, WA
  • Average snowfall days in August: 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).

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

Average daylight in August / Average sunshine in August - Hartline, WA
  • Average daylight in August: 14h and 1min

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 August: 12h and 1min

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).

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Average sunshine days in August
Hartline, WA

Average sunshine days in August - Hartline, WA
  • Average sunshine days in August: 25.8 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).

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Average UV index in August
Hartline, WA

Average UV index in August - Hartline, WA
  • Average UV index in August: 5

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

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Average cloud cover in August
Hartline, WA

Average cloud cover in August - Hartline, WA
  • Average cloud cover in August: 12

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).

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Average visibility in August
Hartline, WA

Average visibility in August - Hartline, WA
  • Average visibility in August: 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).

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Hartline, Washington, USA

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