They have a clause in their guarantee ( Terms and Conditions ),
about weather being one reason that voids their refund policy.
Reference Pages 28 of their Terms and Conditions,
You'll find on Page 29, Under 54.2 Exclusions,
and refers back to list on Page 28
Liabilities not assumed
Shipments that are delayed due to causes beyond UPS’s control including, but not limited to:
the unavailability or refusal of a person to accept Delivery of the Shipment, acts of God, natural disasters,
war risks, acts of terrorism, acts of public authorities acting with actual or apparent authority, acts or omissions of customs or similar authorities,
authority of law, insufficient information provided by a customer, Hazardous Materials Packages improperly offered for transport,
the application of security regulations imposed by the government, or otherwise applicable to the Shipment, riots, strikes or other labor disputes, civil unrest,
disruptions in national or local air or ground transportation networks
(including, but not limited to, UPS’s transportation network), pandemic, epidemic
or other public health conditions, disruption or failure of communication and
information systems, and adverse weather conditions.
