April weather forecast and climate
La Mesa, CA

Weather in April

April is a pleasant spring month in La Mesa, California, with average temperature ranging between min 51.4°F (10.8°C) and max 69.4°F (20.8°C).

Temperature

In April, the average high-temperature is practically the same as in March - an agreeable 69.4°F (20.8°C). In April, in La Mesa, the average low-temperature is 51.4°F (10.8°C).

Humidity

In La Mesa, California, the average relative humidity is 64%.

Rainfall

In April, in La Mesa, the rain falls for 6.4 days. Throughout April, 0.51" (13mm) of precipitation is accumulated. In La Mesa, during the entire year, the rain falls for 54.5 days and collects up to 6.57" (167mm) of precipitation.

Daylight

The average length of the day in April is 13h.

Sunshine

The average sunshine in La Mesa is 10.9h.

UV index

In April, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in April in La Mesa?

In La Mesa, in April, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 51.4°F (10.8°C).

What is the average humidity in April in La Mesa?

In La Mesa, California, the average relative humidity in April is 64%.

How many days does it rain in April in La Mesa?

In La Mesa, California, in April, during 6.4 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

How many hours of daylight does La Mesa have in April?

In La Mesa, California, the average length of the day in April is 13h.

How many hours of sunshine does La Mesa have in April?

The average sunshine in April in La Mesa, California, is 10.9h.

What is the UV index intensity in April in La Mesa?

In La Mesa, California, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in April
La Mesa, CA

Average temperature in April - La Mesa, CA
  • Average high temperature in April: 69.4°F

The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is December (64.2°F).

  • Average low temperature in April: 51.4°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

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Average pressure in April
La Mesa, CA

Average pressure in April - La Mesa, CA
  • Average pressure in April: 29.96"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in April
La Mesa, CA

Average wind speed in April - La Mesa, CA
  • Average wind speed in April: 5.7mph

The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).

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Average humidity in April
La Mesa, CA

Average humidity in April - La Mesa, CA
  • Average humidity in April: 64%

The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is November (55%).

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Average rainfall in April
La Mesa, CA

Average rainfall in April - La Mesa, CA
  • Average rainfall in April: 0.51"

The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in April
La Mesa, CA

Average rainfall days in April - La Mesa, CA
  • Average rainfall days in April: 6.4 days

The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in April /
Average sunshine in April
La Mesa, CA

Average daylight in April / Average sunshine in April - La Mesa, CA
  • Average daylight in April: 13h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in April: 10.9h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in April
La Mesa, CA

Average sunshine days in April - La Mesa, CA
  • Average sunshine days in April: 23.3 days

The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (21 days).

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Average UV index in April
La Mesa, CA

Average UV index in April - La Mesa, CA
  • Average UV index in April: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in April
La Mesa, CA

Average cloud cover in April - La Mesa, CA
  • Average cloud cover in April: 21

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in April
La Mesa, CA

Average visibility in April - La Mesa, CA
  • Average visibility in April: 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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