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Question: How's the seasonal weather in Foster City?

Answer: Foster City Seasonal temperature break down - The average median temperature March through May is approximately 38°F with highs averaging at 50°F and lows averaging at 27°F. June through August has an approximate average median temperature of 65°F with highs averaging at 78°F, lows typically average at 53°F. Average median temperatures September through November average out at 44°F, high temperatures average out at 52°F and lows average at 36°F. The average median temperature December through February is approximately 16°F with highs averaging at 24°F, lows average out at 7°F. The average Foster City annual median temperature averages out at approximately 41°F. The coldest month in Foster City is January with a median temperature of 12°F, the average high for the month of January is 20°F with an average low of 4°F. The hottest month in Foster City is July with an approximate median temperature of 70°F, the average high for the month of July is 83°F with an average low of 57°F.

Question: What type of clothing should I pack for my trip to Foster City?

Answer: If you plan on traveling to Foster City from March through May you will want to pack a couple of lightweight long sleeve shirts and lightweight jeans or pants. You will also want to think about packing a lightweight jacket or a lightweight sweater for the cooler days or nights. Those of you who will be traveling to Foster City from June through August should think about packing some short sleeve shirts and shorts. You may also want to pack a tank top as it can sometimes get pretty hot during the day. You should also consider packing a lightweight long sleeve shirt and jeans as there's a possibility you can run into a cooler night. Folks that will be traveling to Foster City September through November may want to consider packing a couple of long sleeve shirts and jeans, you will also want to consider packing a lightweight jacket. Those of you that will be traveling to Foster City from December through February will want to pack a number of heavy sweaters, long sleeve shirts, jeans, boots, gloves, a heavy jacket and ear muffs. Layering will also be a good idea as temperatures are normally below the freezing point.