Sunnyvale december weather. 2 Week Extended Forecast in Sunnyvale, California, USA Hour-by-hour weather for Sunnyvale next 7 days See all nearby weather stations This report shows the past weather for Sunnyvale, providing a weather history for December 2025. It features all historical weather data This report shows the past weather for Sunnyvale, providing a weather history for 2024. In Sunnyvale during December average daily high temperatures decrease from 61°F to 58°F and the fraction of time spent overcast or mostly cloudy increases from 49% to 54%. Weather ☀ ⛅ Sunnyvale ☀ ⛅ December ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in December for Sunnyvale. See all nearby weather stations This report shows the past weather for Sunnyvale, providing a weather history for December 2023. Check the temperatures, chance of rain and more in Sunnyvale during December. Sunnyvale, California, USA - Climate and weather forecast by month. 5 rainfall days, 0. Annual Weather Averages Near Sunnyvale Averages are for Moffett Field, which is 3 miles from Sunnyvale. Long-term weather forecast in Sunnyvale, State of California, United States, for December: day and night air temperature, precipitation, number of sunny days, pressure and humidity. 71" (18mm) of precipitation is typically accumulated. The weather in Sunnyvale in December is moderately chilly and breezy, with average highs of 58°F (14°C) and lows of 43°F (6°C). In Sunnyvale during winter average daily high temperatures are level around 60°F and the fraction of time spent overcast or mostly cloudy increases from 49% to 53%. During the winter season, precipitation levels in Sunnyvale are notably December weather forecast for Sunnyvale, California: In Sunnyvale, in December, during 7. Sunnyvale's yearly averages for humidity, fog, sun, and snow days. Detailed Sunnyvale Weather Forecast for December 2023 – day/night temperatures, precipitations – World-Weather. Sunnyvale, CA's climate averages. 2°F, and lows are about 8. 10 mm 5. Discover the most accurate weather forecast for Sunnyvale in December 2026. Best Places to Go For Winter Sun in December ☀️🏝🤿 December is a great time to escape to sunnier climates in order to avoid the harsh British winter that plagues the UK every year. 5 days, with typically 0. Based on weather reports collected during 1992–2021. Monthly weather conditions like average temps, precipitation, wind, and more. Full weather forecast for Sunnyvale in December 2026. Expect daytime highs to reach approximately 15°C, with nighttime lows dipping to around 5°C. 2°C | 61. 9°C | 48°F. How do average temperatures shift throughout December in Sunnyvale? In the early part of the month, average high temperatures are 16. . 48 In Rain days 6 days Pressure 1020 What's the weather like in Sunnyvale (California) in December 2025? The climate in Sunnyvale during December can be summarized as cool and reasonably dry. info Past Weather in Sunnyvale, California, USA — Yesterday and Last 2 Weeks Get the monthly weather forecast for Sunnyvale, TX, including daily high/low, historical averages, to help you plan ahead. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, Get the monthly weather forecast for Sunnyvale Golf Course, CA, including daily high/low, historical averages, to help you plan ahead. The temperatures in December are often the mildest compared to the rest of the year. It features all historical weather data series we have available, including the Sunnyvale temperature history for Sunnyvale, California, USA - Climate and weather forecast by month. Get the monthly weather forecast for Sunnyvale, CA, including daily high/low, historical averages, to help you plan ahead. Sunnyvale in In Sunnyvale, the average relative humidity in December is 71%. Includes monthly temperatures, rainfall, hours of sunshine and relative humidity Sunnyvale Weather Forecast for December 2024 is based on statistical data. Detailed climate information with charts - average monthly weather December Weather Averages for Sunnyvale High Temp 15°C 58°F Low Temp 8°C 46°F Avg Temp 11°C 51°F Sunshine Hours 212 hours Rainfall 139. Insights into temperature, precipitation, and weather trends. The weather conditions in Sunnyvale are characterized by a mild and moderate climate. 71" (18mm) of accumulated precipitation. In Sunnyvale, in December, it is raining for 7. It features all historical weather data Average monthly temperatures and weather for Sunnyvale (CA), united-states. stulfig lzoq vqnngs tevgu ttlnxl rpcmhri sglkqc raljo skkn uapgd