The 23-year old joined from Hoffenheim last summer having impressed whilst on loan at Swansea, but he endured a difficult start to life at White Hart Lane, failing to net a Premier League goal until February.
Sigurdsson eventually ended the campaign with seven goals in all competitions and he admits that he was disappointed with his early form for Andre Villas Boas' side.
"Obviously it took me a while to settle in and get off the mark," he told the Tottenham Journal.
"Did the fans see the best of me last season? Probably towards the end. I wasn't happy with myself at the beginning until Christmas.
"I think my first goal in the league came at West Ham - a scrappy one but they all count. Then after that things started falling for me and I got a couple of goals.
"I was joining a top club and, if you look back, Luka Modric took a bit of time and Gareth (Bale) took a bit of time to settle in as well.
"Sometimes you just fit in straight away - that's what happened at Swansea - but it's taken a bit of a longer time that I wanted here at Tottenham and hopefully I can do well this season."
Sigurdsson started Spurs' opening 1-0 win against Crystal Palace in his favoured role behind the strikers, something he says should help to continue to bring the best out of him.
"It was nice to play there again, I enjoy playing there," he said.
"Hopefully I'll stay there behind the striker because (Roberto) Soldado and Jermain (Defoe) are top strikers and it's quite easy and good to play behind them.
"As long as I'm playing I don't really mind, but that's one of my better positions - playing behind the striker. I think that's probably what I prefer but if the gaffer wants me to play on the left or right side then I'm quite happy to play there.
"We've brought in a few good players. Hopefully there'll be one or two more to strengthen our squad because it's a long season, we've got many competitions, and we need a lot of good players."