Booking with United Airlines 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, the most affordable month to book a United Airlines flight from San Francisco to Singapore in August, with an average price of S$ 695. Conversely, traveling with United Airlines from San Francisco to Singapore in June will be the most expensive, with an average cost of S$ 1,146. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.
If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).
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