August weather forecast and climate
Ames, IA

August, the last month of the summer, in Ames, is another warm month, with average temperature varying between 79.9°F (26.6°C) and 61.9°F (16.6°C).

Temperature

In Ames, the average high-temperature is practically the same as in July - a still moderately hot 79.9°F (26.6°C). In August, in Ames, the average low-temperature is 61.9°F (16.6°C).

Humidity

In Ames, Iowa, the average relative humidity is 80%.

Rainfall

In Ames, during 14.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Ames, during the entire year, the rain falls for 130.6 days and collects up to 27.48" (698mm) of precipitation.

Snowfall

In Ames snow does not fall in June through September.

Daylight

In Ames, the average length of the day is 13.8h.

Sunshine

The average sunshine in Ames is 9.6h.

UV index

In Ames, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in August transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in Ames?

In Ames, Iowa, in August, the average high-temperature is 79.9°F (26.6°C), and the average low-temperature is 61.9°F (16.6°C).

What is the average humidity in August in Ames?

In August, the average relative humidity in Ames, Iowa, is 80%.

How many days does it rain in August in Ames?

In Ames, Iowa, during August, the rain falls for 14.3 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Ames?

June through September are months without snowfall.

What is the average length of the day in August in Ames?

The average length of the day in August in Ames, Iowa, is 13.8h.

How long on average sun shines in August in Ames?

In August, the average sunshine in Ames is 9.6h.

What is the UV index reading in August in Ames?

In August, the average daily maximum UV index in Ames is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in August - Ames, IA
  • Average high temperature in August: 79.9°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).

  • Average low temperature in August: 61.9°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in August - Ames, IA
  • Average pressure in August: 29.97"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.88").

Average wind speed in August - Ames, IA
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in August - Ames, IA
  • Average humidity in August: 80%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall in August - Ames, IA
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in August - Ames, IA
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in August - Ames, IA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.06").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in August - Ames, IA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Ames, IA
  • Average daylight in August: 13.8h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in August: 9.6h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 3.9h).

Average sunshine days in August - Ames, IA
  • Average sunshine days in August: 14.7 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in August - Ames, IA
  • Average UV index in August: 5

Months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in August - Ames, IA
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in August - Ames, IA
  • Average visibility in August: 5mi

Months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
Months with the lowest visibility are January, July and August (5mi).