| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2021 | Pepsideild | 6 | 156 | 0 | 0 | 0 | — |
| 2022 | Pepsideild | 13 | 703 | 1 | 0 | 0.13 | — |
| 2023 | Pepsideild | 10 | 478 | 0 | 0 | 0 | 6.82 |
| 2024 | Pepsideild | 11 | 438 | 0 | 0 | 0 | 6.09 |
| 2025 | Pepsideild | 13 | 442 | 0 | 0 | 0 | 6.52 |
| 2026 | Inkasso-Deildin | 4 | 360 | 0 | 0 | 0 | 6.49 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-07-25
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Valur | 5 | 1 | 4 | 0 | 0 | 0 | 0 | 0 |
 Fram | 5 | 1 | 2 | 2 | 0 | 0 | 0 | 0 |
 Stjarnan | 5 | 1 | 0 | 4 | 0 | 0 | 0 | 0 |
 HK | 3 | 2 | 0 | 1 | 0 | 0 | 1 | 0 |
 ÍA | 3 | 2 | 1 | 0 | 0 | 0 | 1 | 0 |
 Víkingur Reykjavík | 3 | 0 | 0 | 3 | 0 | 0 | 1 | 0 |
 Breidablik | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Vestri | 3 | 2 | 0 | 1 | 0 | 0 | 1 | 0 |
 KR Reykjavík | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Fylkir | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 KA Akureyri | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Leiknir Reykjavík | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Afturelding | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 ÍBV | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Thróttur Reykjavík | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Keflavík | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Njardvík | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 ÍR | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Kári | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Ægir | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Over 13 Pepsideild games in 2025 (442 minutes), J. Arnarsson recorded no direct goal contributions. That season graded out at an average match rating of 6.52.
His league record spans 6 seasons (2021–2026) across 2 clubs. 2023 stands as his highest-rated season (6.82, Pepsideild), with 2024 the weakest (6.09).
