August weather forecast
Los Alamos, NM

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Weather in August

August in Los Alamos continues the summer rhythm but begins the slow downward trend in temperature. Treading the fine balance between the summer warmth and anticipated coolness, the city presents an admixture of climates. Though the weather oscillates around a high of 79.7°F (26.5°C), it inclines towards the upcoming fall patterns. The final traces of summer slowly begin to fade away, making way for the serenity of autumn.

Temperature

The arrival of August brings an average high-temperature of a still moderately hot 79.7°F (26.5°C), subtly diverging from July's 81.3°F (27.4°C). Nighttime temperatures throughout August register a significant deviation from the day's highs, averaging at a moderate 57.9°F (14.4°C).

Humidity

The average relative humidity in August is 46%.

Rainfall

In August, the rain falls for 15.8 days. Throughout August, 1.97" (50mm) of precipitation is accumulated. In Los Alamos, during the entire year, the rain falls for 106.2 days and collects up to 12.05" (306mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 28min.
On the first day of the month, sunrise is at 6:13 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:33 pm MDT.

Sunshine

In Los Alamos, the average sunshine in August is 11.8h.

UV index

In Los Alamos, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In August, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

In August, the average high-temperature and low-temperature are 79.7°F (26.5°C) and 57.9°F (14.4°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 82.4°F (28°C).

What is the average humidity in August?

The average relative humidity in August is 46%.

How many days does it rain in August?

In August, the rain falls for 15.8 days. Throughout August, 1.97" (50mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

What is the average length of the day in August in Los Alamos?

In August, the average day length is 13h and 28min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:13 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:33 pm MDT.

How long on average sun shines in August?

In August, the average sunshine duration in Los Alamos is 11.8h.

What is the UV index intensity in August?

In Los Alamos, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Los Alamos, NM

Average temperature in August - Los Alamos, NM
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in August: 57.9°F

The month with the highest average low temperature is July (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (21.6°F).

Average pressure in August
Los Alamos, NM

Average pressure in August - Los Alamos, NM
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

Average wind speed in August
Los Alamos, NM

Average wind speed in August - Los Alamos, NM
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in August
Los Alamos, NM

Average humidity in August - Los Alamos, NM
  • Average humidity in August: 46%

The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (33%).

Average rainfall in August
Los Alamos, NM

Average rainfall in August - Los Alamos, NM
  • Average rainfall in August: 1.97"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is April (0.39").

Average rainfall days in August
Los Alamos, NM

Average rainfall days in August - Los Alamos, NM
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (5.1 days).

Average snowfall in August
Los Alamos, NM

Average snowfall in August - Los Alamos, NM
  • Average snowfall in August: 0"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Los Alamos, NM

Average snowfall days in August - Los Alamos, NM
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Los Alamos, NM

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 6min).

Average sunshine days in August
Los Alamos, NM

Average sunshine days in August - Los Alamos, NM
  • Average sunshine days in August: 10 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in August
Los Alamos, NM

Average UV index in August - Los Alamos, NM
  • Average UV index in August: 5

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

Average cloud cover in August
Los Alamos, NM

Average cloud cover in August - Los Alamos, NM
  • Average cloud cover in August: 14

The month with the most cloud cover is January (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 10).

Average visibility in August
Los Alamos, NM

Average visibility in August - Los Alamos, 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).

Los Alamos, New Mexico, USA

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