August weather forecast
Lanark, ID

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Weather in August

August, the last month of the summer in Lanark, is also a moderately hot month, with an average temperature fluctuating between 48.6°F (9.2°C) and 77.7°F (25.4°C).

Temperature

The average high-temperature during August registers at a still warm 77.7°F (25.4°C), closely corresponding to the preceding month. A marked difference from the daytime temperatures, Lanark's nighttime temperature falls to an average low of 48.6°F (9.2°C) in August.

Humidity

August is the least humid month, with an average relative humidity of 42%.

Rainfall

In Lanark, in August, during 8.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Lanark, there are 117.5 rainfall days, and 20.24" (514mm) of precipitation is accumulated.

Snowfall

July and August are months without snowfall in Lanark.

Daylight

In August, the average length of the day is 13h and 50min.
On the first day of the month, sunrise is at 6:19 am and sunset at 8:44 pm. On the last day of August, in Lanark, sunrise is at 6:50 am and sunset at 8:00 pm MDT.

Sunshine

In Lanark, the average sunshine in August is 11.8h.

UV index

The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 4 in August translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures in Lanark?

Lanark in August has an average high-temperature of 77.7°F (25.4°C) and an average low-temperature of 48.6°F (9.2°C).

What is the least humid month in Lanark?

The least humid month in Lanark is August, with an average relative humidity of 42%.

What is the average humidity in August in Lanark?

In Lanark, Idaho, the average relative humidity in August is 42%.

How many days does it rain in August in Lanark?

In Lanark, in August, during 8.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

When it does not snow in Lanark?

July and August are months without snowfall in Lanark.

Does it snow in Lanark in August?

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

How many hours of daylight does Lanark have in August?

In August, the average day length is 13h and 50min.

When is the sunrise / sunset in August in Lanark?

In August, on the first day of the month, sunrise is at 6:19 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 8:00 pm MDT.

How many hours of sunshine does Lanark have in August?

The average sunshine duration in August is 11.8h.

What is the UV index reading in August in Lanark?

In August, the average daily maximum UV index in Lanark, Idaho, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Lanark, ID

Average temperature in August - Lanark, ID
  • Average high temperature in August: 77.7°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is December (25.2°F).

  • Average low temperature in August: 48.6°F

The month with the highest average low temperature is July (48.9°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).

Average pressure in August
Lanark, ID

Average pressure in August - Lanark, ID
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Lanark, ID

Average wind speed in August - Lanark, ID
  • Average wind speed in August: 5.6mph

The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).

Average humidity in August
Lanark, ID

Average humidity in August - Lanark, ID
  • Average humidity in August: 42%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).

Average rainfall in August
Lanark, ID

Average rainfall in August - Lanark, ID
  • Average rainfall in August: 0.79"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is July (0.63").

Average rainfall days in August
Lanark, ID

Average rainfall days in August - Lanark, ID
  • Average rainfall days in August: 8.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (6 days).

Average snowfall in August
Lanark, ID

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

The month with the highest snowfall is February (18.39").
The months with the least snowfall are July and August (0").

Average snowfall days in August
Lanark, ID

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

The month with the highest number of snowfall days is December (21.6 days).
The months with the least snowfall days are July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in August
Lanark, ID

Average sunshine days in August - Lanark, ID
  • Average sunshine days in August: 18.1 days

The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is February (6.8 days).

Average UV index in August
Lanark, ID

Average UV index in August - Lanark, ID
  • Average UV index in August: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in August
Lanark, ID

Average cloud cover in August - Lanark, ID
  • Average cloud cover in August: 12

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in August
Lanark, ID

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

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

Lanark, Idaho, USA

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