Not as cool as you will expect because of the humidity... we did go on a day when it had been in the 100s for a few days
Wear shorts and a tshirt.
I just went yesterday. It was 73 with 99% humidity.
70° with 99% humidity
No matter the temperature aboveground, it will get hotter as you descend underground
I agree with everyone- tee shirts and shorts.
It is cooler underground, but It is definitely tshirt and shorts/jeans attire in the summer as others have said. Wear good shoes for walking, avoid open toe shoes. Have fun as well!
I was just there. We did the hidden passages tour. They said its 78 degrees but with 99% humidity. So it really feels like 85 degrees. I wore shorts and a t-shirt and by the end of the hour long tour I was sweating. I didn't wear any fancy shoes. Just my vans and it was alright. 185 steps.
Its fresh at first but gets warm & humid as you go. Humidity is about 90-95%. Just pace yourself, take small steps, & breathe calmly and you'l b alright.
It's warm and about 90% humidity
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