August weather forecast
Gallup, NM

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Weather in August

August weather carries forward the high temperature, with an average high of around 80.6°F (27°C), from its predecessor, making Gallup still feel substantially summer-like. Despite this, there is a gradual fall in temperature as August progresses, coupled with reasonably high levels of rainfall. The state welcomes the rains, as it eases the heat and marks an initial sign of the forthcoming fall season. On average, August also has fewer daylight hours, giving a tad bit of relief from the summer heat.

Temperature

The advent of August in Gallup, New Mexico, sees the average high-temperature at a still moderately hot 80.6°F (27°C), subtly shifted from July's 82.4°F (28°C). Gallup in August anticipates an average nighttime temperature of 61.2°F (16.2°C).

Heat index

In August, the heat index is evaluated at 80.6°F (27°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In Gallup, the average relative humidity in August is 41%.

Rainfall

In August, in Gallup, the rain falls for 11.6 days. Throughout August, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 69.2 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Gallup, New Mexico.

Daylight

In August, the average length of the day is 13h and 28min.
On the first day of August, sunrise is at 6:23 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:43 pm MDT.

Sunshine

In Gallup, the average sunshine in August is 11.7h.

UV index

The months with the highest UV index in Gallup are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Gallup in August?

The high-temperature, in August, in Gallup, is 80.6°F (27°C), while the low-temperature averages to 61.2°F (16.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is evaluated at 80.6°F (27°C).

What is the average humidity in August in Gallup?

In Gallup, the average relative humidity in August is 41%.

How many days does it rain in August in Gallup?

In Gallup, New Mexico, during August, the rain falls for 11.6 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When it does not snow in Gallup?

June through September are months without snowfall in Gallup, New Mexico.

What is the average length of the day in August in Gallup?

The average day length in August is 13h and 28min.

When is the sunrise / sunset in August in Gallup?

On the first day of August in Gallup, New Mexico, sunrise is at 6:23 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 7:43 pm MDT.

How many hours of sunshine does Gallup have in August?

The average sunshine duration in August is 11.7h.

What are the months with the highest UV index in Gallup?

The months with the highest UV index in Gallup, New Mexico, are June through August, with an average maximum UV index of 6.

What is the UV index reading in August in Gallup?

In August, the average daily maximum UV index in Gallup, New Mexico, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Gallup, NM

Average temperature in August - Gallup, NM
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in August: 61.2°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in August
Gallup, NM

Average pressure in August - Gallup, NM
  • Average pressure in August: 29.97"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in August
Gallup, NM

Average wind speed in August - Gallup, NM
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is January (6.8mph).

Average humidity in August
Gallup, NM

Average humidity in August - Gallup, NM
  • Average humidity in August: 41%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (23%).

Average rainfall in August
Gallup, NM

Average rainfall in August - Gallup, NM
  • Average rainfall in August: 0.94"

The wettest month (with the highest rainfall) is July (1.06").
The driest months (with the least rainfall) are May and June (0.24").

Average rainfall days in August
Gallup, NM

Average rainfall days in August - Gallup, NM
  • Average rainfall days in August: 11.6 days

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in August
Gallup, NM

Average snowfall in August - Gallup, NM
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.91").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Gallup, NM

Average snowfall days in August - Gallup, NM
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Gallup, NM

Average daylight in August / Average sunshine in August - Gallup, NM
  • Average daylight in August: 13h and 3min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 11h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).

Average sunshine days in August
Gallup, NM

Average sunshine days in August - Gallup, NM
  • Average sunshine days in August: 15.1 days

The month with the most sunshine days is June (25.1 days).
The month with the least sunshine days is July (14.4 days).

Average UV index in August
Gallup, NM

Average UV index in August - Gallup, NM
  • Average UV index in August: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in August
Gallup, NM

Average cloud cover in August - Gallup, NM
  • Average cloud cover in August: 16

The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 10).

Average visibility in August
Gallup, NM

Average visibility in August - Gallup, NM
  • Average visibility in August: 6mi

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

Gallup, New Mexico, USA

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