August weather forecast
Meridian, ID

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The trees blossom with colorful flower petals near a high water tower in Meridian, Idaho
The trees blossom with colorful flower petals near a high water tower in Meridian, Idaho

Weather in August

August remains as another beacon of summer in Meridian's weather calendar. Despite having a slightly shorter daylight span than July, the city enjoys abundant sunlight for about 13.9 hours daily. Meanwhile, temperatures stay stable as the heat of July progresses well into August. The much-needed respite from summer's peak arrives in September with a slight dip in the mercury and increased rainfall. Overall, August extends the palpable warmth and brightness that summer in Meridian is known for.

Temperature

The commencement of August in Meridian, Idaho, brings an average high-temperature of a still tropical 89.1°F (31.7°C), marking an inconsequential divergence from July. Nightly average temperatures in August reveal a significant dip from daytime highs in Meridian, registering a consistent an enjoyable 62.2°F (16.8°C).

Humidity

July and August, with an average relative humidity of 30%, are the least humid months.

Rainfall

In Meridian, during August, the rain falls for 3.4 days and regularly aggregates up to 0.16" (4mm) of precipitation. Throughout the year, there are 112.8 rainfall days, and 12.48" (317mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Meridian, Idaho.

Daylight

In Meridian, the average length of the day in August is 13h and 55min.
On the first day of August in Meridian, sunrise is at 6:35 am and sunset at 9:07 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 8:22 pm MDT.

Sunshine

The average sunshine in August in Meridian, Idaho, is 11.4h.

UV index

In August, the average daily maximum UV index in Meridian is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 6 during August leads to these advisories:
Resist extreme sun exposure. Guarding against solar damage is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

How hot does it get in Meridian in August?

The high-temperature in Meridian during August is 89.1°F (31.7°C) and the low-temperature is 62.2°F (16.8°C).

What are the least humid months in Meridian?

The months with the lowest humidity in Meridian are July and August, with an average relative humidity of 30%.

What is the average humidity in August in Meridian?

In Meridian, Idaho, the average relative humidity in August is 30%.

How many days does it rain in August in Meridian?

In Meridian, Idaho, in August, it is raining for 3.4 days, with typically 0.16" (4mm) of accumulated precipitation.

When it does not snow in Meridian?

April through October are months without snowfall in Meridian.

How many hours of daylight does Meridian have in August?

In August, the average day length in Meridian is 13h and 55min.

When are sunrise and sunset in August in Meridian?

In August, on the first day of the month, sunrise is at 6:35 am and sunset at 9:07 pm. On the last day of the month, in Meridian, Idaho, sunrise is at 7:09 am and sunset at 8:22 pm MDT.

How long on average sun shines in August in Meridian?

The average sunshine duration in August in Meridian is 11.4h.

What is the UV index intensity in August in Meridian?

The average daily maximum UV index in August in Meridian, Idaho, is 6. A UV Index reading of 6 to 7 represents a high health threat 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 August
Meridian, ID

Average temperature in August - Meridian, ID
  • Average high temperature in August: 89.1°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).

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Average pressure in August
Meridian, ID

Average pressure in August - Meridian, ID
  • Average pressure in August: 29.91"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in August
Meridian, ID

Average wind speed in August - Meridian, ID
  • Average wind speed in August: 5.5mph

The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).

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Average humidity in August
Meridian, ID

Average humidity in August - Meridian, ID
  • Average humidity in August: 30%

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (30%).

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Average rainfall in August
Meridian, ID

Average rainfall in August - Meridian, ID
  • Average rainfall in August: 0.16"

The wettest month (with the highest rainfall) is March (1.97").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in August
Meridian, ID

Average rainfall days in August - Meridian, ID
  • Average rainfall days in August: 3.4 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (3.2 days).

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Average snowfall in August
Meridian, ID

Average snowfall in August - Meridian, ID
  • Average snowfall in August: 0"

The month with the highest snowfall is December (4.88").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Meridian, ID

Average snowfall days in August - Meridian, ID
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Meridian, ID

Average daylight in August / Average sunshine in August - Meridian, ID
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 11h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in August
Meridian, ID

Average sunshine days in August - Meridian, ID
  • Average sunshine days in August: 24.3 days

The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (12.3 days).

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Average UV index in August
Meridian, ID

Average UV index in August - Meridian, ID
  • Average UV index in August: 6

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 August
Meridian, ID

Average cloud cover in August - Meridian, ID
  • Average cloud cover in August: 8

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in August
Meridian, ID

Average visibility in August - Meridian, ID
  • Average visibility in August: 6mi

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

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Meridian, Idaho, USA

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