August weather forecast and climate
Fort Sumner, NM

Weather in August

August, the last month of the summer, in Fort Sumner, is another hot month, with average temperature fluctuating between 67.6°F (19.8°C) and 88.9°F (31.6°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still hot 88.9°F (31.6°C). In Fort Sumner, the average low-temperature is 67.6°F (19.8°C).

Heat index

The average heat index is evaluated at a hot 89.4°F (31.9°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, wind), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August 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. Throughout the year, there are 78.6 rainfall days, and 9.06" (230mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in August is 13.4h.

Sunshine

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

UV index

The average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Fort Sumner?

In Fort Sumner, in August, the average high-temperature is 88.9°F (31.6°C), and the average low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that factores the actual air temperature with the relative humidity, in August is calculated to 89.4°F (31.9°C).

What is the average humidity in August in Fort Sumner?

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

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

In August, in Fort Sumner, New Mexico, the rain falls for 11.8 days. Throughout August, 1.34" (34mm) of precipitation is accumulated.

When it does not snow in Fort Sumner?

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

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

In Fort Sumner, New Mexico, the average length of the day in August is 13.4h.

How long on average sun shines in August in Fort Sumner?

The average sunshine in August in Fort Sumner is 11.8h.

What is the UV index reading in August in Fort Sumner?

In Fort Sumner, New Mexico, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to the UV radiation.

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).

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Average pressure in August
Fort Sumner, NM

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

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

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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).

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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%).

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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").

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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).

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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").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Fort Sumner, NM

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

Months with the highest number of snowfall days are January and December (3.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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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: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 11.8h

The month with the most sunshine is June (Average sunshine: 11.9h).
Months with the least sunshine are January and December (Average sunshine: 7.1).

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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).

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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).

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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).

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Average visibility in August
Fort Sumner, NM

Average visibility in August - Fort Sumner, NM
  • Average visibility in August: 6mi

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

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