August weather forecast and climate
Ottawa, KS

The last month of the summer, August, is also a moderately hot month in Ottawa, Kansas, with average temperature ranging between min 66.2°F (19°C) and max 85.3°F (29.6°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a moderately hot 85.3°F (29.6°C). In August, the average low-temperature is 66.2°F (19°C).

Heat index

The average heat index is estimated at a torrid 95.4°F (35.2°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, differences in body mass, height, and shape), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in August is 75%.

Rainfall

In Ottawa, it is raining for 14.1 days, with typically 2.95" (75mm) of accumulated precipitation. In Ottawa, during the entire year, the rain falls for 126.9 days and collects up to 23.5" (597mm) of precipitation.

Snowfall

In Ottawa snow does not fall in May through September.

Daylight

The average length of the day in Ottawa is 13.6h.

Sunshine

In Ottawa, Kansas, the average sunshine in August is 10.2h.

UV index

In August, the average daily maximum UV index in Ottawa is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Ottawa?

In August, in Ottawa, the average high-temperature is 85.3°F (29.6°C), and the average low-temperature is 66.2°F (19°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that combines relative humidity and air temperature, in August is appraised at 95.4°F (35.2°C).

What is the average humidity in August in Ottawa?

In Ottawa, the average relative humidity in August is 75%.

How much does it rain in Ottawa in August?

In Ottawa, Kansas, during August, the rain falls for 14.1 days and regularly aggregates up to 2.95" (75mm) of precipitation.

When it does not snow in Ottawa?

May through September are months without snowfall.

How many hours of daylight does Ottawa have in August?

In Ottawa, the average length of the day in August is 13.6h.

How many hours of sunshine does Ottawa have in August?

In August, the average sunshine is 10.2h.

What is the UV index reading in August in Ottawa?

The average daily maximum UV index in August in Ottawa, Kansas, is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV radiation.
Average temperature in August - Ottawa, KS
  • Average high temperature in August: 85.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 66.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

Average pressure in August - Ottawa, KS
  • Average pressure in August: 29.95"

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 - Ottawa, KS
  • Average wind speed in August: 7mph

The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in August - Ottawa, KS
  • Average humidity in August: 75%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are October and November (69%).

Average rainfall in August - Ottawa, KS
  • Average rainfall in August: 2.95"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in August - Ottawa, KS
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is December (4.5 days).

Average snowfall in August - Ottawa, KS
  • Average snowfall in August: 0"

The month with the highest snowfall is February (2.28").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August - Ottawa, KS
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (4.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Ottawa, KS
  • Average daylight in August: 13.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in August: 10.2h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 5.4h).

Average sunshine days in August - Ottawa, KS
  • Average sunshine days in August: 14.6 days

Months with the most sunshine days are January and December (22.6 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in August - Ottawa, KS
  • Average UV index in August: 6

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August - Ottawa, KS
  • Average cloud cover in August: 26

The month with the most cloud cover is March (Cloud cover 44).
Months with the least cloud cover are June and July (Cloud cover 25).

Average visibility in August - Ottawa, KS
  • Average visibility in August: 6mi

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