Poway (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Poway.
Climate overview of Poway
Temperatures in Poway, California, United States of America, vary greatly throughout the year. August is the hottest month at 31°C (88°F), while January is the coldest at 19°C (66°F).
The city has a relatively dry climate, receiving around 302 mm (12 in) of rainfall per year. It does experience a distinct dry season from March to November. December is the wettest month and June the driest. Sunshine peaks in July, when the city sees around 10.1 hours of sunshine per day.
Poway Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Poway — and find the best time to visit.
Monthly Temperature in Poway
The climate in Poway is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a pleasant 19°C (66°F) in January.
Nighttime temperatures range from 17°C (63°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 Poway
Poway has a relatively dry climate with low precipitation, averaging 302 mm (12 in) of rainfall annually. The seasons in Poway bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 79 mm (3.1 in) of precipitation. This rainfall is distributed across 8 rainy days.
In contrast, the driest month, June, experiences much less rainfall, totaling 0.6 mm (0.02 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Poway 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 Poway
Poway enjoys sunny spells year-round. July sees up to 10.1 hours of daily sunshine, perfect for a sunny trip. February, the least sunny month, still offers a generous 7.7 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Poway by Month
The relative humidity is high throughout the year in Poway.
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 Poway
Frequently asked questions about the climate in Poway
What is the best time to visit Poway?
January, February, March, April, May, June, October and November typically offer the most optimal weather in Poway. In contrast, July, August, September and December tend to have less optimal conditions. Poway has a distinct dry season from March to November.
What temperatures can I expect in Poway?
Daytime highs range from 19°C (66°F) in January to 31°C (88°F) in August. Nighttime lows range from 6°C (43°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Poway get?
Annual rainfall is around 302 mm (12 in). December is the wettest month with 79 mm (3.1 in), while June is the driest with 0.6 mm (0.02 in).
How sunny is Poway?
Poway 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, Poway enjoys abundant sunshine.
Poway 3-Day Forecast
Poway (CA) 3-Day Forecast
Poway on the map
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