April weather forecastLa Mesa, CA
April
Weather in April
April is an agreeable spring month in La Mesa, California, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 69.4°F (20.8°C).Temperature
La Mesa, California, marks the onset of April with an average high-temperature of an agreeable 69.4°F (20.8°C), a subtle shift from March's 66.9°F (19.4°C). In April, La Mesa reports a consistent average low-temperature of 51.4°F (10.8°C) during the nights.Humidity
In April, 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. Throughout the year, there are 54.5 rainfall days, and 6.57" (167mm) of precipitation is accumulated.Daylight
In April, the average length of the day 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
In April, the average sunshine is 10.9h.UV index
The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In April, a regular UV index of 5 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 54min
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).
