Cypress (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cypress.
Climate overview of Cypress
Temperatures in Cypress, California, United States of America, shift moderately through the seasons. The warmest month is September at 29°C (84°F), and the coolest is December at 19°C (66°F).
Rainfall is extremely rare, with only 216 mm (8.5 in) falling across the entire year. Sunshine peaks in July, when the city sees around 12.1 hours of sunshine per day.
Cypress Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cypress - and find the best time to visit.
Monthly Temperature in Cypress
The weather in Cypress changes moderately throughout the year, offering enough variation to appreciate each season. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in September, the warmest time of the year, to a pleasant 19°C (66°F) during cooler months like December.
At night, you can expect temperatures ranging from 19°C (66°F) in September to around 8°C (46°F) during December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cypress
Cypress is known for its low rainfall, with yearly precipitation amounts around 216 mm (8.5 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives moderate rainfall, averaging 60 mm (2.4 in) of precipitation, recorded across 8 rainy days. In contrast, the driest month June brings less rainfall, with 0.1 mm (0 in) over 0 rainy days. For more details, please visit our Cypress 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 Cypress
Seasonal changes in sunshine hours are quite dramatic in Cypress. While July receives considerable daily sunshine with up to 12.1 hours, November marks the darkest time of the year, where sunshine is scarce with only 7.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Cypress by Month
The relative humidity is high throughout the year in Cypress.
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 Cypress
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, May, June, July, August, September, October and November
- Warmest weather: July, August and September
- Most sunshine: July and August
- Fewer rainy days: May, June, July, August and September
- Seasonal pattern: A distinct dry season from February to November
Frequently asked questions about the climate in Cypress
What is the best time to visit Cypress?
January, February, March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Cypress. In contrast, December tends to have less optimal conditions. Cypress has a distinct dry season from February to November.
What temperatures can I expect in Cypress?
Daytime highs range from 19°C (66°F) in December to 29°C (84°F) in September. Nighttime lows range from 8°C (46°F) to 19°C (66°F).
How much rain does Cypress get?
Annual rainfall is around 216 mm (8.5 in). December is the wettest month with 60 mm (2.4 in), while June is the driest with 0.1 mm (0 in).
How sunny is Cypress?
Cypress 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, Cypress enjoys abundant sunshine.
Cypress 3-Day Forecast
Cypress on the map
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