Sunnyvale weather in december. Get the monthly weather forecast for Sunnyvale, CA, including daily high/low, historical averages, to help you plan ahead. Are you planning a holiday with hopefully nice weather in Sunnyvale in December 2026? Here you can find all information about the weather in Sunnyvale in December: 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). Based on weather reports collected during 1992–2021. 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%. info Sunnyvale Weather Forecast for December 2024 is based on statistical data. Check the temperatures, chance of rain and more in Sunnyvale during December. 5 days, with typically 0. Long-term weather forecast in Sunnyvale, State of California, United States, for December: day and night air temperature, precipitation, number of sunny days, Sunnyvale, CA has a Mediterranean climate with mild, wet winters and dry summers. Expect Sunnyvale December temperature around 15°C (59°F). Weather in Sunnyvale in December 🌡️. 71" (18mm) of accumulated precipitation. Number of cloudy and clear days, atmospheric pressure and wind speed. Sunnyvale Weather Forecast for December 2025, is based on previous years' statistical data. Insights into temperature, precipitation, and weather trends. Discover the most accurate weather forecast for Sunnyvale in December 2026. The temperatures in the summer months can range from an average high of 82°F to a low of 55°F, while winter See all nearby weather stations This report shows the past weather for Sunnyvale, providing a weather history for December 2023. In Sunnyvale, in December, it is raining for 7. It features all historical weather data series we have available, including the Sunnyvale temperature history for Get the monthly weather forecast for Sunnyvale Golf Course, CA, including daily high/low, historical averages, to help you plan ahead. 48 In Rain days 6 days Pressure 1020 mb 31 In Weather ☀ ⛅ Sunnyvale ☀ ⛅ December ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in December for Sunnyvale. Detailed climate information with charts - average monthly weather with Sunnyvale, CA's climate averages. . 8°F . Discovering Australia’s Hidden Gems Off-the-Beaten-Path Travel Destinations Australia is celebrated for its world-renowned December weather forecast for Sunnyvale, Texas: December, the first month of the winter in Sunnyvale, is still a mild month, with an average temperature fluctuating between 55. 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. Read clothing tips & recommended activities. Average day and night temperature in Sunnyvale in December data for the period from 2009 to 2012 years. Sunnyvale (CA) Weather & Climate — Best Time to Visit The climate in Sunnyvale, California, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C in Detailed Sunnyvale Weather Forecast for December 2023 – day/night temperatures, precipitations – World-Weather. Sunnyvale, California, USA - Climate and weather forecast by month. In Sunnyvale, the average relative humidity in December is 71%. This report shows the past weather for Sunnyvale, providing a weather history for 2024. 10 mm 5. 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%. Sunnyvale's yearly averages for humidity, fog, sun, and snow days. Full weather forecast for Sunnyvale in December 2026. 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. Check accurate weather in December in Sunnyvale (CA). 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. 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. Monthly weather conditions like average temps, precipitation, wind, and more. It features all historical weather data series we have December weather averages for Sunnyvale, USA. Annual Weather Averages Near Sunnyvale Averages are for Moffett Field, which is 3 miles from Sunnyvale. y9p hcp qa1 gyn g6b