Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The arrival of April brings an average high-temperature of an agreeable 69.4°F (20.8°C), closely following the temperature pattern of March. During April, La Mesa records a consistent average nighttime temperature of 51.4°F (10.8°C).Humidity
In La Mesa, the average relative humidity in April is 64%.Rainfall
In La Mesa, in April, it is raining for 6.4 days, with typically 0.51" (13mm) of accumulated precipitation. In La Mesa, California, 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 in La Mesa is 13h and 1min.On the first day of April in La Mesa, sunrise is at 6:34 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:29 pm PDT.
Sunshine
The average sunshine in April in La Mesa is 10.9h.UV index
In La Mesa, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 5 during April, leads to the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are April temperatures in La Mesa?
What is the average humidity in April in La Mesa?
How much does it rain in La Mesa in April?
How many hours of daylight does La Mesa have in April?
When are sunrise and sunset in April in La Mesa?
How long on average sun shines in April in La Mesa?
How high is the UV index in April in La Mesa?
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).
Average pressure in April
La Mesa, CA
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
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).
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%).
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").
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).
Average daylight in April /
Average sunshine in April
La Mesa, CA
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
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).
Average UV index in April
La Mesa, CA
- Average UV index in April: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
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).
Average visibility in April
La Mesa, 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).
La Mesa, California, USA
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