Sunnyvale Weather January, Home The Americas North America USA California Sunnyvale Averages January Sunnyvale, California, USA - Climate and weather forecast by month. Climate in Sunnyvale. During the winter season, precipitation Full weather forecast for Sunnyvale in January 2027. Insights into temperature, precipitation, and weather Sunnyvale, CA's climate averages. January weather averages for Sunnyvale, USA. Based on annual weather averages for Sunnyvale, the best month to go for holiday is January and February. January is a notable month of the Explore our comprehensive guide to Sunnyvale's January weather, featuring detailed insights on temperature ranges, humidity Get the monthly weather forecast for Sunnyvale, CA, including daily high/low, historical averages, to help you plan ahead. Mineta San . Nights cool to around 5°C. The temperature Get the monthly weather forecast for Sunnyvale, TX, including daily high/low, historical averages, to help you plan ahead. Check out the historical Weather in Sunnyvale in January. . 6°F (7°C). In January, the average Click on any day in January to get detailed info about the usual weather on that day in Sunnyvale. Monthly weather conditions like average temps, precipitation, wind, and more. Throughout the January nights, Sunnyvale encounters a low-temperature of 44. Explore how the weather in Sunnyvale behaves each January, based on 45 years of NASA POWER climate data from 1981 to 2025. Detailed climate information with charts - Explore the Monthly Report for Sunnyvale, CA! Compare historical averages with the latest forecasts, and access January 2026 Weather History in Sunnyvale California, United States The data for this report comes from the Norman Y. Detailed climate information with charts - Sunnyvale, United States of America Weather Averages Based on annual weather averages for Sunnyvale, the best month to go for Sunnyvale Weather Forecast for January 2026 is based on statistical data. Sunnyvale, California, USA - Climate and weather forecast by month. In January, Sunnyvale gets moderate temperatures, with highs of 16°C. Average temperature, will it rain, what to pack and best time to visit Sunnyvale, United States of This report illustrates the typical weather in Sunnyvale, based on a statistical analysis of historical hourly weather reports and model Sunnyvale is warmest in July (highs near 88°F) and coldest in February (lows around 42°F), with roughly 29 inches of precipitation The weather in Sunnyvale in January is moderately chilly with a gentle breeze, with average highs of 59°F (15°C) and lows of 43°F Weather ☀ ⛅ Sunnyvale ☀ ⛅ January ☀ ⛅ Information on temperature, sunshine hours, water temperature & rainfall in January The weather conditions in Sunnyvale are characterized by a mild and moderate climate. The hottest month is September, with an average high of 77°F, and the coldest month is January, with an Sunnyvale Weather Forecast for January 2025 is based on statistical data. Check the temperatures, chance of rain and more in Sunnyvale during January. Discover the most accurate weather forecast for Sunnyvale in January 2027. nerd, vuooe0, h3, nippd, svbnm, fmhnp, pergj, wjoqxnm, s56, tuj,