Querétaro will be dry and warm during the day, but will get chilly at night. Pack for warm weather and make sure to bring a jacket and some long sleeves for the cool evenings! Highs will be 80° / 49° F or 26°/9° C.
Yes. You can also reserve a pickup in advance here: https://www.uber.com/global/en/cities/queretaro/
México does take credit cards many places, but it is always good to have cash in the local currency (the Mexican peso) especially for places like the local market and smaller shops.
No. Mosquitoes thrive in wet, hot climates, and luckily for us, Querétaro is a relatively dry climate especially in March. While you may see a mosquito or two, it should not be a main concern for you in this desert-like region.
While the tap water in QTO is drinkable for locals, to avoid any stomach issues on your trip, we advise that you utilize bottled water for brushing your teeth and avoid ice except ice that is made from bottled water. Tap Safe includes data from many publicly available sources, including the WHO (World Health Organization), CDC (Center for Disease Control), and user submitted databases, but unfortunately there's not enough data about Querétaro: https://www.tapsafe.org/is-queretaro-tap-water-safe-to-drink/
As for crime in Querétaro, Numbeo (the largest numeric database of cities worldwide) gives Querétaro a “low” rating of 39, which is even lower than Charlotte, NC (45)! It is relatively safe to walk around the streets even at night.
Our celebration is Black-Tie Optional: Tuxes and gowns are preferred, but not required.
If your invitation says “and Guest,” then yes, if not, we would prefer if it was just you.