Poll Results

Total votes: 1524

Hot/warm shower on a cold day: 534 (35.0%)
Swimming in cool water on a hot day: 280 (18.4%)
Hot/warm bath on a cold day: 248 (16.3%)
Cold/cool shower on a hot day: 198 (13.0%)
Swimming in a heated pool on a cold day: 186 (12.2%)
Swimming in icy water on a cold day: 62 (4.1%)
Cold/cool bath on a hot day: 16 (1.0%)

Several people wrote in with two other answers:

• Hot shower on a hot day.
• A hot sauna, followed by running outside and rolling around naked in snow.