South El Monte (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit South El Monte.
Climate overview of South El Monte
South El Monte, California, United States of America, sees big temperature differences between seasons, with August peaking at 32°C (90°F) and December dropping to 20°C (68°F).
The city has a relatively dry climate, receiving around 296 mm (12 in) of rainfall per year. It does experience a distinct dry season from March to November. December is the wettest month and August the driest. Sunshine peaks in July, when the city sees around 12.1 hours of sunshine per day.
South El Monte Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in South El Monte — and find the best time to visit.
Monthly Temperature in South El Monte
Visitors to South El Monte can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 32°C (90°F) in August to a pleasant 20°C (68°F) in December.
Nighttime temperatures range from 18°C (64°F) in August to 8°C (46°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in South El Monte
South El Monte tends toward drier weather patterns, receiving approximately 296 mm (12 in) of rain per year. The seasons in South El Monte bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 80 mm (3.1 in) of precipitation. This rainfall is distributed across 9 rainy days.
In contrast, the driest month, August, experiences much less rainfall, totaling 0.3 mm (0.01 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our South El Monte Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in South El Monte
In South El Monte, summer days are longer and more sunny, with daily sunshine hours peaking at 12.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 7.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in South El Monte by Month
The relative humidity is high throughout the year in South El Monte.
The city experiences its highest humidity in May, reaching 73%. In November, the humidity drops to its lowest level at 50%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit South El Monte
The weather does bring rainfall during this period, between 9 mm (0.4 in) and 80 mm (3.1 in). Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in South El Monte
What is the best time to visit South El Monte?
January, February, March, April, May, June, October, November and December typically offer the most optimal weather in South El Monte. In contrast, July, August and September tend to have less optimal conditions. South El Monte has a distinct dry season from March to November.
What temperatures can I expect in South El Monte?
Daytime highs range from 20°C (68°F) in December to 32°C (90°F) in August. Nighttime lows range from 8°C (46°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does South El Monte get?
Annual rainfall is around 296 mm (12 in). December is the wettest month with 80 mm (3.1 in), while August is the driest with 0.3 mm (0.01 in).
How sunny is South El Monte?
South El Monte receives around 3,257 hours of sunshine per year. July is the sunniest month with 364 hours, while November is the cloudiest with just 217 hours. Overall, South El Monte enjoys abundant sunshine.
South El Monte 3-Day Forecast
South El Monte (CA) 3-Day Forecast
South El Monte on the map
South El Monte is highlighted — select any city to see its climate.
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