August weather forecast and climate
Fort Sumner, NM

The last month of the summer, August, is another tropical month in Fort Sumner, New Mexico, with average temperature ranging between min 67.6°F (19.8°C) and max 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, in August, the average low-temperature is 67.6°F (19.8°C).

Heat index

The average heat index is appraised at a tropical 89.4°F (31.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'feels like', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like clothing, metabolic differences, wind, and activity influence one's weather impression. 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

In Fort Sumner, it is raining for 11.8 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 78.6 rainfall days, and 9.06" (230mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Fort Sumner, New Mexico.

Daylight

In Fort Sumner, the average length of the day is 13.4h.

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 the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in August interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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.

What is the temperature in August in Fort Sumner?

The average high-temperature, in August, in Fort Sumner, is 88.9°F (31.6°C), while the average low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that represents influence of the relative humidity to air temperaure, in August is evaluated at 89.4°F (31.9°C).

What is the average humidity in August in Fort Sumner?

The average relative humidity in August is 41%.

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

In Fort Sumner, in August, during 11.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When it does not snow in Fort Sumner?

May through September are months without snowfall in Fort Sumner.

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

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

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

In August, the average sunshine in Fort Sumner, New Mexico, 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 reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.
Average temperature in August - Fort Sumner, NM
  • Average high temperature in August: 31.6°C

The warmest months (with the highest average high temperature) are June and July (32.2°C).
The month with the lowest average high temperature is December (9.6°C).

  • Average low temperature in August: 19.8°C

The month with the highest average low temperature is July (20.5°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average pressure in August - Fort Sumner, NM
  • Average pressure in August: 1014.7mbar

The month with the highest atmospheric pressure is January (1020mbar).
The month with the lowest atmospheric pressure is April (1011.3mbar).

Average wind speed in August - Fort Sumner, NM
  • Average wind speed in August: 14.5km/h

The windiest month (with the highest average wind speed) is April (20.8km/h).
The calmest month (with the lowest average wind speed) is August (14.5km/h).

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: 34mm

The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is January (9mm).

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: 0mm

The month with the highest snowfall is November (47mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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).

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).

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: 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: 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: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).