Currently, August is the cheapest month in which you can book a Business Class flight from United Kingdom to California (average of £106). Flying from United Kingdom to California in July is currently the most expensive (average of £2,020). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.
In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.
If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).