Santee (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santee.
Climate overview of Santee
Santee, California, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 32°C (90°F) in August, while winters cool to 20°C (68°F) in January.
With around 282 mm (11 in) of annual rainfall, Santee has a fairly dry climate. However, it has a distinct dry season from March to November. The wettest month is December, while June sees the least rain. The sunniest month is July, with 10.1 hours of sunshine per day on average.
Santee Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santee — and find the best time to visit.
Monthly Temperature in Santee
Depending on the time of the year, temperatures range from very warm to pleasant in Santee. Average daytime temperatures reach a very warm 32°C (90°F) in August. In January, the coolest month of the year, temperatures drop to a pleasant 20°C (68°F).
At night, temperatures range from around 18°C (64°F) in August to 6°C (43°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santee
With annual rainfall averaging 282 mm (11 in), Santee maintains relatively low precipitation levels throughout the seasons. Santee can be quite wet during December, receiving approximately 76 mm (3 in) of precipitation over 9 rainy days.
In contrast, during the driest month (June), you will experience much drier conditions, with 0.4 mm (0.02 in) of precipitation spread across 0 rainy days days. For more details, please visit our Santee 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 Santee
Santee experiences moderate variation in sunshine hours across the seasons. With 10.1 hours daily sunshine in July, it dips to 7.7 hours in February, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Santee by Month
The relative humidity is high throughout the year in Santee.
The city experiences its highest humidity in July, reaching 75%. In January, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Santee
Rainfall during this time ranges from 10 mm (0.4 in) in May to 76 mm (3 in) in December. This means you can expect a mix of sunny days and occasional showers. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Santee
What is the best time to visit Santee?
January, February, March, April, May, June, October, November and December typically offer the most optimal weather in Santee. In contrast, July, August and September tend to have less optimal conditions. Santee has a distinct dry season from March to November.
What temperatures can I expect in Santee?
Daytime highs range from 20°C (68°F) in January to 32°C (90°F) in August. Nighttime lows range from 6°C (43°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Santee get?
Annual rainfall is around 282 mm (11 in). December is the wettest month with 76 mm (3 in), while June is the driest with 0.4 mm (0.02 in).
How sunny is Santee?
Santee receives around 3,069 hours of sunshine per year. July is the sunniest month with 304 hours, while February is the cloudiest with just 230 hours. Overall, Santee enjoys abundant sunshine.
Santee 3-Day Forecast
Santee (CA) 3-Day Forecast
Santee on the map
Santee is highlighted — select any city to see its climate.
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