August weather forecast
Signal, AZ

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Weather in August

The last month of the summer, August, is another tropical month in Signal, Arizona, with an average temperature varying between 91.9°F (33.3°C) and 74.1°F (23.4°C).

Temperature

On the advent of August, Signal's average high-temperature exhibits a minor adjustment to a still tropical 91.9°F (33.3°C) from July's 92.8°F (33.8°C). Throughout the month of August, Signal observes an average nighttime temperature of 74.1°F (23.4°C).

Humidity

In Signal, the average relative humidity in August is 33%.

Rainfall

The month with the most rainfall is August, when the rain falls for 9.6 days and typically aggregates up to 1.1" (28mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day is 13h and 24min.
On the first day of August, sunrise is at 5:45 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:01 pm MST.

Sunshine

The average sunshine in August is 11.7h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in August interprets into the following advice:
Ward off overexposure. Defence against solar harm is crucial. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

The average high-temperature, in August, in Signal, is 91.9°F (33.3°C), while the average low-temperature is 74.1°F (23.4°C).

What is the average humidity in August?

In Signal, the average relative humidity in August is 33%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 9.6 days and typically aggregates up to 1.1" (28mm) of precipitation.

How many days does it rain in August?

In August, the rain falls for 9.6 days. Throughout August, 1.1" (28mm) of precipitation is accumulated.

When it does not snow?

In Signal, snow does not fall in May through October.

What is the average length of the day in August?

The average day length in August is 13h and 24min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:45 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 7:01 pm MST.

How long on average sun shines in August?

In Signal, the average sunshine duration in August is 11.7h.

What is the month with the highest UV index in Signal?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the UV index reading in August?

The average daily maximum UV index in August is 7. A UV Index estimate of 6 to 7 represents a high health 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
Signal, AZ

Average temperature in August - Signal, AZ
  • Average high temperature in August: 91.9°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in August: 74.1°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).

Average pressure in August
Signal, AZ

Average pressure in August - Signal, AZ
  • Average pressure in August: 29.85"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).

Average wind speed in August
Signal, AZ

Average wind speed in August - Signal, AZ
  • Average wind speed in August: 6.6mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is December (6.1mph).

Average humidity in August
Signal, AZ

Average humidity in August - Signal, AZ
  • Average humidity in August: 33%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (19%).

Average rainfall in August
Signal, AZ

Average rainfall in August - Signal, AZ
  • Average rainfall in August: 1.1"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in August
Signal, AZ

Average rainfall days in August - Signal, AZ
  • Average rainfall days in August: 9.6 days

The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is June (1.2 days).

Average snowfall in August
Signal, AZ

Average snowfall in August - Signal, AZ
  • Average snowfall in August: 0"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Signal, AZ

Average snowfall days in August - Signal, AZ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Signal, AZ

Average daylight in August / Average sunshine in August - Signal, AZ
  • Average daylight in August: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in August
Signal, AZ

Average sunshine days in August - Signal, AZ
  • Average sunshine days in August: 15.4 days

The months with the most sunshine days are May and June (28.1 days).
The month with the least sunshine days is August (15.4 days).

Average UV index in August
Signal, AZ

Average UV index in August - Signal, AZ
  • Average UV index in August: 7

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in August
Signal, AZ

Average cloud cover in August - Signal, AZ
  • Average cloud cover in August: 10

The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in August
Signal, AZ

Average visibility in August - Signal, AZ
  • Average visibility in August: 6mi

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

Signal, Arizona, USA

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