The Japan national football team arrived in Monterrey, Mexico, on June 19 to prepare for their second group-stage match of the FIFA World Cup 2026 [1].

The team faces a significant environmental challenge as they prepare for their match against Tunisia. Extreme weather conditions in the region could impact player stamina and tactical execution during the game.

Temperatures in Monterrey have exceeded 40 °C [2], a level of heat described as the biggest enemy for the squad [1]. A local resident said the temperature is normal for this time of year [2]. The players arrived at their hotel greeted by a large crowd of fans [3].

The squad is scheduled to play Tunisia on June 20, 2026, with kickoff set for 22:00 local time [2]. The transition to the Mexican climate follows a journey from Japan that took approximately 12 hours [3].

Not all squad members traveled to Monterrey. Takehiro Kubo remains in Nashville, U.S., where he is receiving treatment for an injury [1]. His absence leaves the team without one of its key offensive threats for the upcoming fixture.

The team will now focus on acclimation and recovery before the match on Friday night. Managing hydration and heat exposure will be critical for the Japanese side as they seek a favorable result in the group stage [1].

“Extreme heat over 40 °C is expected to be the biggest challenge for the team.”

Japan's struggle with the 40 °C heat in Monterrey highlights the logistical and physical toll of a North American World Cup. The combination of long-distance travel and extreme climate, paired with the loss of Takehiro Kubo to injury, forces the coaching staff to adjust their rotation and hydration strategies to maintain competitive intensity against Tunisia.