North of 95F your body will start having trouble regulating temperature and hydration, ventilation, and shade become critical. On a bike you can only reasonably control hydration (can’t depend on strong wind, moving at a constant speed, or staying under building and foliage shade) so basically 9 months of the year you’re putting your health at risk to commute by bike. Riding a bike to the nearest bus stop and going from there might be the best middle ground.
North of 95F your body will start having trouble regulating temperature and hydration, ventilation, and shade become critical. On a bike you can only reasonably control hydration (can’t depend on strong wind, moving at a constant speed, or staying under building and foliage shade) so basically 9 months of the year you’re putting your health at risk to commute by bike. Riding a bike to the nearest bus stop and going from there might be the best middle ground.