Last year, I got some potted fig trees at spring last year and put them outside, It was warm at day time at 10C+, but cold at night for 2 night at 3-4C, young leaves was damaged, I moved them back to my house, Damaged leaves didn't recover and new leaves appeared after 1 month.
This year, I try to avoid fig shuffle, I put my potted fig trees in junk car including some tooth pick cuttings with leaves this year, we have less than 6 hours sunlight per week, temperature was down to 0C many times for a week, no cold damaged so far.
If you have space in your house, it is better to let them stay indoor to avoid cold damaged, If they have bigger size leaves, when you take them outdoor at April/May, They might get Sunburn, you may need to put them at half sun area first for few days before putting them at full sun outdoor.