August weather forecast
Fort Sumner, NM

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Weather in August

The weather in August remains akin to July with maximum temperatures and relieving summer showers. The highest rainfall amount is 1.34in, characterizing August as hosting the peak monsoon. Despite the slightly shorter daylight hours, temperatures stay consistent with those of July. Cloud coverage decreases marginally. Additionally, the pace of the wind lessens, assuring less wind-chill effect.

Temperature

The arrival of August in Fort Sumner is marked by an average high-temperature of a still tropical 88.9°F (31.6°C), bearing a close resemblance to July. Fort Sumner reports an average nighttime low-temperature of 67.6°F (19.8°C) in August.

Heat index

Throughout August, the heat index is appraised at a tropical 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In August, the average relative humidity is 41%.

Rainfall

In Fort Sumner, during August, the rain falls for 11.8 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Fort Sumner, during the entire year, the rain falls for 78.6 days and collects up to 9.06" (230mm) of precipitation.

Snowfall

In Fort Sumner, snow does not fall in May through September.

Daylight

In August, the average length of the day in Fort Sumner is 13h and 24min.
On the first day of August in Fort Sumner, sunrise is at 6:08 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:24 pm MDT.

Sunshine

The average sunshine in August is 11.8h.

UV index

In August, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot is August in Fort Sumner?

In August, in Fort Sumner, the average high-temperature is 88.9°F (31.6°C), and the average low-temperature is 67.6°F (19.8°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 89.6°F (32°C).

What is the average humidity in August in Fort Sumner?

In August, the average relative humidity in Fort Sumner, New Mexico, is 41%.

How many days does it rain in August in Fort Sumner?

In Fort Sumner, New Mexico, during August, the rain falls for 11.8 days and regularly aggregates up to 1.34" (34mm) of precipitation.

When it does not snow in Fort Sumner?

In Fort Sumner, snow does not fall in May through September.

What is the average length of the day in August in Fort Sumner?

In August, the average day length in Fort Sumner is 13h and 24min.

When are sunrise and sunset in August in Fort Sumner?

In August, on the first day of the month, sunrise is at 6:08 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:24 pm MDT.

How many hours of sunshine does Fort Sumner have in August?

In August, the average sunshine duration in Fort Sumner is 11.8h.

How high is the UV index in August in Fort Sumner?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from 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
Fort Sumner, NM

Average temperature in August - Fort Sumner, NM
  • Average high temperature in August: 88.9°F

The warmest months (with the highest average high temperature) are June and July (90°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in August
Fort Sumner, NM

Average pressure in August - Fort Sumner, NM
  • Average pressure in August: 29.96"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.86"Hg).

Average wind speed in August
Fort Sumner, NM

Average wind speed in August - Fort Sumner, NM
  • Average wind speed in August: 9mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

Average humidity in August
Fort Sumner, NM

Average humidity in August - Fort Sumner, NM
  • Average humidity in August: 41%

The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is April (31%).

Average rainfall in August
Fort Sumner, NM

Average rainfall in August - Fort Sumner, NM
  • Average rainfall in August: 1.34"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in August
Fort Sumner, NM

Average rainfall days in August - Fort Sumner, NM
  • Average rainfall days in August: 11.8 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is November (2.4 days).

Average snowfall in August
Fort Sumner, NM

Average snowfall in August - Fort Sumner, NM
  • Average snowfall in August: 0"

The month with the highest snowfall is November (1.85").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
Fort Sumner, NM

Average snowfall days in August - Fort Sumner, NM
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and December (3.5 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
Fort Sumner, NM

Average daylight in August / Average sunshine in August - Fort Sumner, NM
  • 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 5min

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: 7h and 6min).

Average sunshine days in August
Fort Sumner, NM

Average sunshine days in August - Fort Sumner, NM
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (14 days).

Average UV index in August
Fort Sumner, NM

Average UV index in August - Fort Sumner, NM
  • Average UV index in August: 6

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in August
Fort Sumner, NM

Average cloud cover in August - Fort Sumner, NM
  • Average cloud cover in August: 15

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 12).

Average visibility in August
Fort Sumner, NM

Average visibility in August - Fort Sumner, NM
  • 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).

Fort Sumner, New Mexico, USA

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