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 is known for.

Temperature

The onset of August brings an average high-temperature of a still tropical 89.1°F (31.7°C), nearly matching the July temperature. A marked difference from the daytime temperatures, Meridian's nighttime temperature falls to an average low of 62.2°F (16.8°C) in August.

Humidity

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

Rainfall

In Meridian, Idaho, during August, the rain falls for 3.4 days and regularly aggregates up to 0.16" (4mm) of precipitation. In Meridian, during the entire year, the rain falls for 112.8 days and collects up to 12.48" (317mm) of precipitation.

Snowfall

In Meridian, snow does not fall in April through October.

Daylight

In August, the average length of the day is 13h and 55min.
On the first day of August, 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

In Meridian, the average sunshine in August is 11.4h.

UV index

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 6 suggests these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in August?

The average high-temperature and low-temperature during August are 89.1°F (31.7°C) and 62.2°F (16.8°C) respectively.

What are the least humid months?

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

What is the average humidity in August?

In August, the average relative humidity is 30%.

How many days does it rain in August?

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

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

On the first day of August, 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.

How many hours of sunshine does Meridian have in August?

In Meridian, the average sunshine duration in August is 11.4h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Meridian, Idaho, USA

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