August weather forecastMontezuma, IA
August
Weather in August
August, the last month of the summer in Montezuma, is another warm month, with an average temperature ranging between max 80.6°F (27°C) and min 62.2°F (16.8°C).Temperature
Montezuma registers an average high-temperature of a still moderately hot 80.6°F (27°C) with the arrival of August, showing minor deviation from the preceding month. Throughout the month of August, the average temperature dips to a comfortable 62.2°F (16.8°C) at night.Heat index
The average heat index in August is evaluated at a hot 86°F (30°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In August, the average relative humidity is 80%.Rainfall
In Montezuma, in August, during 11.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in Montezuma, Iowa, there are 117.7 rainfall days, and 15.12" (384mm) of precipitation is accumulated.Snowfall
In Montezuma, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 48min.On the first day of the month, sunrise is at 6:05 am and sunset at 8:27 pm. On the last day of August, in Montezuma, Iowa, sunrise is at 6:35 am and sunset at 7:44 pm CDT.
Sunshine
The average sunshine in August in Montezuma is 9.8h.UV index
In Montezuma, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 5 in August translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. 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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Montezuma, IA
- Average high temperature in August: 80.6°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 (27.3°F).
- Average low temperature in August: 62.2°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in August
Montezuma, IA
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in August
Montezuma, IA
- Average wind speed in August: 7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in August
Montezuma, 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 (72%).
Average rainfall in August
Montezuma, IA
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in August
Montezuma, IA
- Average rainfall days in August: 11.1 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in August
Montezuma, IA
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Montezuma, IA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Montezuma, IA
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in August
Montezuma, IA
- Average sunshine days in August: 17.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in August
Montezuma, IA
- Average UV index in August: 5
The 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
Montezuma, IA
- Average cloud cover in August: 31
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in August
Montezuma, IA
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





