If you're looking for summer vibes, the best time to travel to Merced is in June, July and August, when the average temperature reaches 30.99 °C, while July, June and August are the 3 sunniest months of the year, with an average of 221.98 hours.
However, if you prefer colder temperatures, make sure you visit Merced during January, December or February to experience an average of 5.57 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during July, August and September, when the average precipitation in Merced is 3.93 mm, while the months of January, February and March are drier, with an average of 0 mm.