Sunnyvale, TX weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Sunnyvale now
Loading the National Weather Service forecast…
Sunnyvale weather by the hour
Sunnyvale weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Sunnyvale.
This week in Sunnyvale
Sunrise, sunset and moon in Sunnyvale
What is the weather usually like in Sunnyvale?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 93°F average high
- Januarycoldest month · 34°F average low
- 39.8 inprecipitation per year · 1,011 mm
- 0.2 insnowfall per year · 1 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Sunnyvale: April–May and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station LAVON DAM, TX US (USC00415094), adjusted for the elevation of Sunnyvale.
Sunnyvale weather month by month
Sunrise and sunset in Sunnyvale through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:27 AM | 5:44 PM | 10 h 16 min |
| February | 7:07 AM | 6:12 PM | 11 h 5 min |
| March | 7:34 AM | 7:35 PM | 12 h 0 min |
| April | 6:54 AM | 7:57 PM | 13 h 2 min |
| May | 6:25 AM | 8:19 PM | 13 h 53 min |
| June | 6:16 AM | 8:37 PM | 14 h 20 min |
| July | 6:27 AM | 8:36 PM | 14 h 8 min |
| August | 6:48 AM | 8:12 PM | 13 h 24 min |
| September | 7:08 AM | 7:33 PM | 12 h 24 min |
| October | 7:29 AM | 6:54 PM | 11 h 25 min |
| November | 6:55 AM | 5:26 PM | 10 h 30 min |
| December | 7:19 AM | 5:22 PM | 10 h 3 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Sunnyvale?
Sunnyvale has a humid subtropical climate. The warmest month is August, with an average high of 93°F (34°C), and the coldest is January, with average lows of 34°F (1°C).
It gets about 39.8 inches (1,011 mm) of precipitation a year. The wettest month is May and the driest is July.
The best time to visit Sunnyvale is April–May and September–October. At 486 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Sunnyvale
Weather in towns near Sunnyvale
Questions about the weather in Sunnyvale
What is the hottest month in Sunnyvale?
August, with an average high of 93°F (34°C).
What is the coldest month in Sunnyvale?
January, with an average low of 34°F (1°C).
How much does it rain in Sunnyvale?
About 39.8 inches (1,011 mm) a year; the wettest month is May.
Does it snow in Sunnyvale?
Rarely: less than an inch in an average year.
When is the best time to visit Sunnyvale?
April–May and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Sunnyvale have?
Humid subtropical (Köppen Cfa).
What is the weather like in Sunnyvale in November?
Highs average 65°F and lows 45°F, with about 3.4 inches of precipitation.
What time is sunrise in Sunnyvale?
Around 6:55 AM in mid-November, and sunset around 5:26 PM. Today’s exact times are shown above.
Where does this Sunnyvale weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Sunnyvale.
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