Also, what should I wear to Jungfraujoch?
For a typical tourist excursion to the Jungfraujoch, it would be reasonable to wear a jacket or fleese with a warm sweater or sweatshirt underneath. Bring a hat, scarf and gloves (they don't have to be heavy-duty winter gloves). Don't bother with winter boots, just wear a good pair of wool socks.
Also, what clothes to wear in Switzerland in August? You should bring a light raincoat ideally with a hood, a sunhat (truly, the sun really beats down at times), shorts, light trousers, t-shirts, thin jumper (sweatshirt), swimwear, hiking boots and hiking socks (if you plan to go walking) and if you plan to go to smart restaurants anywhere then one simple slightly
Additionally, is there snow in Jungfrau in August?
Weather in JungfrauSnow falls regularly in Jungfrau with 17 days of snow in June, 15 snowy days in July and 14 days of snow in August. Summer, when there is more green than white, is the ideal time to try your hand at mountain biking, climbing, river rafting and (if you dare) bungee jumping!
Is it cold at Jungfraujoch?
Since it is around 3500 meters above sea level, it is cold year round up there. Even now in autumn, it can get as low as -20° C. And even in the highest summer season, the temperature might be around 0°C.