April weather forecast
Los Alamos, CA

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Weather in April

April, the same as March, is another enjoyable spring month in Los Alamos, California, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 66.9°F (19.4°C).

Temperature

Los Alamos sees the arrival of April with an average high-temperature of a still refreshing 66.9°F (19.4°C), indicating a subtle variation from March. Throughout April, the average low-temperature records at a cool 50.4°F (10.2°C).

Humidity

In Los Alamos, the average relative humidity in April is 64%.

Rainfall

In Los Alamos, in April, during 3.6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Los Alamos, during the entire year, the rain falls for 37.7 days and collects up to 5.98" (152mm) of precipitation.

Daylight

In April, the average length of the day is 13h and 5min.
On the first day of April, sunrise is at 6:46 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:45 pm PDT.

Sunshine

In Los Alamos, the average sunshine in April is 11.1h.

UV index

The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In April, the UV index of 5 transforms into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the average April temperature in Los Alamos?

April temperatures in Los Alamos, California, vary between a high-temperature of 66.9°F (19.4°C) and a low-temperature of 50.4°F (10.2°C).

What is the average humidity in April in Los Alamos?

In April, the average relative humidity in Los Alamos is 64%.

How much does it rain in Los Alamos in April?

In Los Alamos, California, in April, during 3.6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

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

The average day length in April in Los Alamos, California, is 13h and 5min.

What time are sunrise and sunset in April in Los Alamos?

In April, on the first day of the month, sunrise is at 6:46 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 7:45 pm PDT.

How long on average sun shines in April in Los Alamos?

In Los Alamos, the average sunshine duration in April is 11.1h.

How high is the UV index in April in Los Alamos?

In April, the average daily maximum UV index in Los Alamos, California, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Los Alamos, CA

Average temperature in April - Los Alamos, CA
  • Average high temperature in April: 66.9°F

The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in April: 50.4°F

The month with the highest average low temperature is September (61.2°F).
The coldest month (with the lowest average low temperature) is February (47.8°F).

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Average pressure in April
Los Alamos, CA

Average pressure in April - Los Alamos, CA
  • Average pressure in April: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

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Average wind speed in April
Los Alamos, CA

Average wind speed in April - Los Alamos, CA
  • Average wind speed in April: 8.8mph

The windiest month (with the highest average wind speed) is May (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in April
Los Alamos, CA

Average humidity in April - Los Alamos, CA
  • Average humidity in April: 64%

The month with the highest relative humidity is March (67%).
The months with the lowest relative humidity are October and November (58%).

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Average rainfall in April
Los Alamos, CA

Average rainfall in April - Los Alamos, CA
  • Average rainfall in April: 0.35"

The wettest month (with the highest rainfall) is January (1.38").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in April
Los Alamos, CA

Average rainfall days in April - Los Alamos, CA
  • Average rainfall days in April: 3.6 days

The month with the highest number of rainy days is March (6.2 days).
The month with the least rainy days is August (0.8 days).

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Average daylight in April /
Average sunshine in April
Los Alamos, CA

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in April: 11h and 1min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

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Average sunshine days in April
Los Alamos, CA

Average sunshine days in April - Los Alamos, CA
  • Average sunshine days in April: 26 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (22.3 days).

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Average UV index in April
Los Alamos, CA

Average UV index in April - Los Alamos, CA
  • Average UV index in April: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in April
Los Alamos, CA

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

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in April
Los Alamos, CA

Average visibility in April - Los Alamos, CA
  • 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).

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Los Alamos, California, USA

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