La Mesa
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
La Mesa, CA

January, like December, in La Mesa, California, is another enjoyable winter month, with average temperature varying between 66.2°F (19°C) and 49.6°F (9.8°C). In January, the average high-temperature is practically the same as in December - a still comfortable 66.2°F (19°C). Weather in January »

February, the last month of the winter, in La Mesa, is also an enjoyable month, with average temperature fluctuating between 64.9°F (18.3°C) and 48.7°F (9.3°C). In La Mesa, the average high-temperature in February is practically the same as in January - a still enjoyable 64.9°F (18.3°C). Weather in February »

The first month of the spring, March, is also an enjoyable month in La Mesa, California, with average temperature fluctuating between 50°F (10°C) and 66.9°F (19.4°C). In La Mesa, the average high-temperature is almost the same as in February - a still comfortable 66.9°F (19.4°C). Weather in March »

April is an agreeable 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). In April, the average high-temperature is almost the same as in March - an agreeable 69.4°F (20.8°C). Weather in April »

The last month of the spring, May, is another pleasant month in La Mesa, California, with average temperature ranging between min 54.3°F (12.4°C) and max 70.9°F (21.6°C). In May, the average high-temperature is essentially the same as in April - a still pleasant 70.9°F (21.6°C). Weather in May »

June, the first month of the summer, in La Mesa, is a moderately hot month, with temperature in the range of an average low of 58.3°F (14.6°C) and an average high of 75.7°F (24.3°C). In La Mesa, California, the average high-temperature is almost the same as in May - a moderately hot 75.7°F (24.3°C). Weather in June »

July, the same as June, is a moderately hot summer month in La Mesa, California, with average temperature ranging between max 80.2°F (26.8°C) and min 64°F (17.8°C). In La Mesa, the average high-temperature is almost the same as in June - a still moderately hot 80.2°F (26.8°C). Weather in July »

August, the last month of the summer, in La Mesa, is another warm month, with average temperature ranging between max 82.6°F (28.1°C) and min 65.8°F (18.8°C). August is the warmest month, with an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index is estimated at 85.6°F (29.8°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in La Mesa, California, with average temperature fluctuating between 81.5°F (27.5°C) and 64.4°F (18°C). In La Mesa, the average high-temperature is practically the same as in August - a still moderately hot 81.5°F (27.5°C). Weather in September »

October, the same as September, is a moderately hot autumn month in La Mesa, California, with average temperature ranging between min 59.7°F (15.4°C) and max 76.5°F (24.7°C). In October, the average high-temperature is almost the same as in September - a still warm 76.5°F (24.7°C). Weather in October »

November, the last month of the autumn, in La Mesa, is another pleasant month, with average temperature varying between 54.5°F (12.5°C) and 70.7°F (21.5°C). In La Mesa, the average high-temperature in November marginally drops, from a warm 76.5°F (24.7°C) in October, to an agreeable 70.7°F (21.5°C). Weather in November »

December, the first month of the winter, in La Mesa, is also an enjoyable month, with average temperature varying between 49.1°F (9.5°C) and 64.2°F (17.9°C). December is the coldest month, with an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 49.1°F (9.5°C). Weather in December »

How much does it rain in La Mesa?

Throughout the year, in La Mesa, California, there are 54.5 rainfall days, and 6.57" (167mm) of precipitation is accumulated.

What are the months with the lowest UV index in La Mesa?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4.

What is the rainiest month in La Mesa?

February is the month with the most rainfall in La Mesa. Rain falls for 6.4 days and accumulates 1.3" (33mm) of precipitation.

What is the most humid month in La Mesa?

May is the most humid month, with an average relative humidity of 68%.

What is the driest month in La Mesa?

The month with the least rainfall is June when the rain falls for 1.4 days and typically collects 0.08" (2mm) of precipitation.

When are the longest days in La Mesa?

June has the longest days of the year, with an average of 14.3h of daylight.

What are the months with the highest UV index in La Mesa?

June through September, with an average maximum UV index of 6, are months with the highest UV index.

What month has the most sunshine in La Mesa?

With an average of 12h of sunshine, July has the most sunshine of the year in La Mesa, California.

What is the warmest month in La Mesa?

With an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 65.8°F (18.8°C), August is the warmest month.

What is the least humid month in La Mesa?

The least humid month in La Mesa, California, is November, with an average relative humidity of 55%.

What is the coldest month in La Mesa?

December is the coldest month, with an average high-temperature of 64.2°F (17.9°C) and an average low-temperature of 49.1°F (9.5°C).

What is the month with the shortest days in La Mesa?

With an average of 10h of daylight, December has the shortest days of the year in La Mesa.

What is the month with the least sunshine in La Mesa?

With an average of 6.7h of sunshine, December has the least sunshine of the year in La Mesa.
Average temperature - La Mesa, CA
Average rainfall - La Mesa, CA

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

Average rainfall days - La Mesa, CA

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

Average daylight / Average sunshine - La Mesa, CA
Average UV index - La Mesa, CA

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).