August weather forecast
Massey, IA

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Weather in August

August, the last month of the summer in Massey, is another warm month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 78.4°F (25.8°C).

Temperature

The arrival of August sees a recorded average high-temperature of a still moderately hot 78.4°F (25.8°C), showing little divergence from the previous month's conditions. Throughout August, Massey witnesses a nighttime temperature average of 60.4°F (15.8°C).

Humidity

The average relative humidity in August is 81%.

Rainfall

In Massey, in August, during 12.8 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 140.9 rainfall days, and 28.11" (714mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Massey, the average length of the day in August is 13h and 51min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:21 pm. On the last day of August, sunrise is at 6:27 am and sunset at 7:37 pm CDT.

Sunshine

The months with the most sunshine are July and August, with an average of 9.8h of sunshine.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 5 in August transforms into this advice:
Be vigilant - Preventing sunburn is recommended. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are August temperatures?

August temperatures vary between a high-temperature of 78.4°F (25.8°C) and a low-temperature of 60.4°F (15.8°C).

What is the average humidity in August?

The average relative humidity in August is 81%.

How many days does it rain in August?

In August, the rain falls for 12.8 days. Throughout August, 1.77" (45mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

What is the average length of the day in August?

In August, the average day length is 13h and 51min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 7:37 pm CDT.

What is the month with the most sunshine?

The months with the most sunshine are July and August, with an average of 9.8h of sunshine.

How long on average sun shines in August?

In August, the average sunshine duration in Massey is 9.8h.

What are the months with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Massey.

What is the UV index reading in August?

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Massey, IA

Average temperature in August - Massey, IA
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in August: 60.4°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in August
Massey, IA

Average pressure in August - Massey, IA
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Massey, IA

Average wind speed in August - Massey, IA
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in August
Massey, IA

Average humidity in August - Massey, IA
  • Average humidity in August: 81%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

Average rainfall in August
Massey, IA

Average rainfall in August - Massey, IA
  • Average rainfall in August: 1.77"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in August
Massey, IA

Average rainfall days in August - Massey, IA
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (4.6 days).

Average snowfall in August
Massey, IA

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

The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Massey, IA

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

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Massey, IA

Average daylight in August / Average sunshine in August - Massey, IA
  • 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: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in August
Massey, IA

Average sunshine days in August - Massey, IA
  • Average sunshine days in August: 15.8 days

The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in August
Massey, IA

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

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

Average cloud cover in August
Massey, IA

Average cloud cover in August - Massey, IA
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in August
Massey, IA

Average visibility in August - Massey, IA
  • Average visibility in August: 6mi

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

Massey, Iowa, USA

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