April weather forecast
Los Alamos, NM

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Weather in April

April extends the warm embrace of spring across Los Alamos. The weather conditions shift dramatically in favor of warm sunshine as winter fades into memory. Donning the characteristic light drizzle, the valley is awash with vivid hues of blossoming flowers and leaves. As the municipality experiences a high-temperature climb to 59.7°F (15.4°C), life buzzes in nature further enhancing the undeniable charm of Los Alamos in spring. The city throbs with activities and newfound vitality.

Temperature

A slight uplift in the average high-temperature marks April, adjusting from March's fresh 52.3°F (11.3°C) to a mild 59.7°F (15.4°C). Against the backdrop of high daytime temperatures, an average low-temperature of 36.5°F (2.5°C) is noted during April nights.

Humidity

The average relative humidity in April in Los Alamos is 37%.

Rainfall

April is the month with the least rainfall. Rain falls for 7.5 days and accumulates 0.39" (10mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Los Alamos, in April, snow falls for 1.5 days, with typically accumulated 0.94" (24mm) of snow. In Los Alamos, during the entire year, snow falls for 30.9 days and aggregates up to 19.69" (500mm) of snow.

Daylight

The average length of the day in April is 13h and 8min.
On the first day of April in Los Alamos, sunrise is at 6:50 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:51 pm MDT.

Sunshine

The average sunshine in April is 11.4h.

UV index

In Los Alamos, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In April, the maximum UV index of 4 transforms into these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

An average high-temperature, in April, in Los Alamos, is 59.7°F (15.4°C) and the average low-temperature is 36.5°F (2.5°C).

What is the average humidity in April?

The average relative humidity in April in Los Alamos is 37%.

What is the driest month?

The month with the least rainfall is April, when the rain falls for 7.5 days and typically collects 0.39" (10mm) of precipitation.

How many days does it rain in April in Los Alamos?

In Los Alamos, in April, during 7.5 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How much does it snow in April?

In April, in Los Alamos, it is snowing for 1.5 days. Throughout April, 0.94" (24mm) of snow is accumulated.

What is the average length of the day in April?

In April, the average day length is 13h and 8min.

When is the sunrise / sunset in April?

In April, on the first day of the month, sunrise is at 6:50 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:51 pm MDT.

How many hours of sunshine does Los Alamos have in April?

In Los Alamos, the average sunshine duration in April is 11.4h.

What is the UV index intensity in April?

The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Los Alamos, NM

Average temperature in April - Los Alamos, NM
  • Average high temperature in April: 59.7°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 April: 36.5°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 April
Los Alamos, NM

Average pressure in April - Los Alamos, NM
  • Average pressure in April: 29.89"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 April
Los Alamos, NM

Average wind speed in April - Los Alamos, NM
  • Average wind speed in April: 8.1mph

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 April
Los Alamos, NM

Average humidity in April - Los Alamos, NM
  • Average humidity in April: 37%

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

Average rainfall in April
Los Alamos, NM

Average rainfall in April - Los Alamos, NM
  • Average rainfall in April: 0.39"

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 April
Los Alamos, NM

Average rainfall days in April - Los Alamos, NM
  • Average rainfall days in April: 7.5 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 April
Los Alamos, NM

Average snowfall in April - Los Alamos, NM
  • Average snowfall in April: 0.94"

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 April
Los Alamos, NM

Average snowfall days in April - Los Alamos, NM
  • Average snowfall days in April: 1.5 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 April /
Average sunshine in April
Los Alamos, NM

Average daylight in April / Average sunshine in April - Los Alamos, NM
  • Average daylight in April: 13h and 1min

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 April: 11h and 2min

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 April
Los Alamos, NM

Average sunshine days in April - Los Alamos, NM
  • Average sunshine days in April: 19.3 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 April
Los Alamos, NM

Average UV index in April - Los Alamos, NM
  • Average UV index in April: 4

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 April
Los Alamos, NM

Average cloud cover in April - Los Alamos, NM
  • Average cloud cover in April: 17

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 April
Los Alamos, NM

Average visibility in April - Los Alamos, NM
  • Average visibility in April: 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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