Flagstaff Weather in August: Temperature, Precipitation, Wind

Temperature
19.4°C
66.9°F
High temperature
27.1°C
80.8°F
Low temperature
12.2°C
54°F
Feels like
19.2°C
66.6°F
Rainy days
20 days
Rainfall level
2.63mm
0.1 inch
Cloud coverage
36.3%
Wind speed
23.1km/h
14.3mph
Daylight time
13:26:41
UV index
7.9
1
partly cloudy day
18.4°C
65.0°F
2
rain
17.9°C
64.0°F
3
partly cloudy day
19.0°C
66.0°F
4
clear day
20.1°C
68.0°F
5
clear day
21.2°C
70.0°F
6
clear day
21.6°C
71.0°F
7
rain
22.3°C
72.0°F
8
rain
21.1°C
70.0°F
9
rain
19.3°C
67.0°F
10
rain
17.5°C
64.0°F
11
partly cloudy day
18.4°C
65.0°F
12
rain
15.7°C
60.0°F
13
rain
17.0°C
63.0°F
14
rain
18.9°C
66.0°F
15
rain
18.9°C
66.0°F
16
rain
20.2°C
68.0°F
17
rain
19.9°C
68.0°F
18
rain
19.1°C
66.0°F
19
partly cloudy day
19.8°C
68.0°F
20
rain
19.4°C
67.0°F
21
rain
17.4°C
63.0°F
22
rain
17.6°C
64.0°F
23
rain
17.8°C
64.0°F
24
rain
16.8°C
62.0°F
25
rain
18.9°C
66.0°F
26
rain
19.9°C
68.0°F
27
clear day
21.0°C
70.0°F
28
partly cloudy day
21.3°C
70.0°F
29
partly cloudy day
21.6°C
71.0°F
30
clear day
21.9°C
71.0°F
31
rain
21.1°C
70.0°F

Flagstaff, United States in August experiences a pleasant late summer climate characterized by warm days and cool nights. The average temperature hovers around 19.4°C (66.9°F), with daytime highs reaching 27.1°C (80.8°F) and nighttime lows dipping to 12.2°C (54.0°F). Humidity levels remain moderate at 58.5%, contributing to comfortable conditions for outdoor activities.

Precipitation is a notable feature of Flagstaff’s August weather. The city receives an average of 2.63 inches (66.8 mm) of rainfall during the month, with a 64.5% probability of precipitation on any given day. Rain showers occur frequently, with 20 rainy days recorded throughout August. Cloud cover averages 36.3%, allowing for ample sunshine between rain events.

Wind patterns in Flagstaff during August are relatively consistent. Average wind speeds measure 23.1 km/h (14.4 mph), with gusts reaching up to 46.4 km/h (28.8 mph). These breezes help moderate temperatures and provide relief from the summer warmth.

UV index levels in Flagstaff during August are high, averaging 7.9. Visitors and residents should take precautions to protect their skin when enjoying outdoor attractions such as the Lowell Observatory or Flagstaff Arboretum. Visibility remains excellent at 15.8 km (9.8 miles), offering clear views of the surrounding Coconino National Forest and San Francisco Peaks.

Sunrise occurs early in Flagstaff during August, with an average time of 5:46 AM. Sunset takes place at approximately 7:13 PM, providing ample daylight hours for exploring popular destinations like the Museum of Northern Arizona or taking a scenic drive along the nearby Historic Route 66.

Atmospheric pressure in Flagstaff averages 1017.0 hPa (30.03 inHg) during August, indicating stable weather conditions. The risk of severe weather events is relatively low, with an average severe risk index of 13.2.

What is the temperature in Flagstaff in August?

Average air temperature in Flagstaff is 19.4°C (66.9°F) in August. The outside temperature in Flagstaff feels like 19.2°C (66.6°F) on a typical August day. The highest average temperature during sunny days is 27.1°C (80.8°F) and feels like 26.5°C (79.6°F). The lowest average temperature after dark is 12.2°C (54°F) which feels like 12.2°C (54°F).

Daily Temperature in Flagstaff in August 0°C / 32.0°F 5°C / 41.0°F 10°C / 50.0°F 15°C / 59.0°F 20°C / 68.0°F 25°C / 77.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How hot is Flagstaff in August?

The hot temperature in August in Flagstaff rises to 34.9°C (94.8°F) on sunny days with low cloud coverage and 58.5% humidity. During hottest days of August it feels like 32.3 °C (90.1°F). The average maximum temp in Flagstaff is 27.1°C (90.1°F) during day time in August.

How cold is Flagstaff in August?

The coldest temp in Flagstaff in August drops to 8.7°C (47.7°F) during the cold nights. With 23.1km/h (14.3mph) winds and 58.5% humidity it feels like 8.7°C (47.7°F) on the coldest nights. The average minimum temperature is 12.2°C (54°F) during night time in August.

Does it rain in Flagstaff in August?

Yes, it rains for 20 days in Flagstaff, United States in August averaging 2.63 mm of precipitation. Flagstaff has a 64.5% chance for rain throughout the entire month of August.

How much does it rain in Flagstaff throughout August?

Flagstaff has 2.63 mm (0.1 inch) of rain per day on average in August. It rains for an average of 20 days out of the entire month.

Is Flagstaff windy in August?

The average speed of wind in Flagstaff, United States during August is 23.1km/h (14.3mph) and average windgust is 46.4km/h (28.9mph). On some days in August wind can reach up to 41.5km/h (25.8mph).

Daily wind speed in Flagstaff in August 0km/h (0mph) 11km/h (7mph) 22km/h (14mph) 33km/h (21mph) 44km/h (27mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

What is the direction of the wind in Flagstaff in August?

Most days of August the wind is blowing from South direction in Flagstaff.

What are the humidity levels in Flagstaff in August?

The average humidity levels in Flagstaff in August are 58.5%. Daily humidity levels in Flagstaff range from 26.5% to 82.5% during August.

Daily humidity levels in Flagstaff in August 0% 21% 42% 63% 84% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

How many hours of daylight are in Flagstaff in August?

Flagstaff has 13 hours 26 minutes of daylight in August on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Flagstaff in August is at 5:46:58 and the sunset is at 19:13:39.

What is the cloud coverage in Flagstaff in August?

Clouds cover 36.3% of the sky on average throughout August in Flagstaff. The cloud coverage ranges from 0% to 96.3% depending on the day of the month.

What is the UV level in August in Flagstaff?

The average UV index in Flagstaff is 7.9 in August. UV levels change throughout the month and range from 2 to 10.

What is the solar radiation in Flagstaff in August?

The average solar radiation is 151 W/m2 (Watts per square meter) in Flagstaff during August. However solar radiation levels change throughout the month and range from 53.3 W/m2 to 224.5 W/m2.

What is the solar energy during August in Flagstaff?

The average solar energy during August in Flagstaff is 13 MJ/m2 (megajoules per square metre). Solar energy ranges from 4.6 MJ/m2, to 19.3 MJ/m2 during August.

Are there severe weather risks in Flagstaff in August?

Yes, there is a 13.2% risk for severe weather in Flagstaff, United States in August.

What is the air pressure in Flagstaff in August?

On average the air pressure in Flagstaff in August is 1017 mb (millibars). Throughout the month the sea level pressure ranges from 1013.3 mb to 1020 mb.

What is the visibility in Flagstaff in August?

The average daylight visibility in Flagstaff in August is 15.8 km (9.8 miles). Depending on the precipitation the visibility ranges from 14.8 km (9.2 miles) to 16 km (9.9 miles) throughout August.

What is the dew point in Flagstaff in August?

The average dew point in Flagstaff during August is 9.5°C (49.1°F).

Where is the data for Flagstaff climate in August coming from?

The climate data for Flagstaff, Arizona, United States in August is collected from the following weather stations.

  • FLAGSTAFF PULLIAM AIRPORT, AZ US
  • SEDONA AIRPORT, AZ US
  • FLAGSTAFF, AZ US
  • N7CEE Flagstaff AZ US
  • KCMR
  • KFLG
  • KSEZ