Mostly how she was wise about marriage and family, she was actually quite intelligent as she often outwitted her husband Zeus.
If you want her weaknesses as well:
Zeus was also her weakness as he often cheated on her. Hephaestus i guess is also Hera's weakness. Hephaestus was an ugly child so Hera threw him out of Olympus, that's why he was a cripple. So as horrible as it sounds an ugly child would be her weakness as well. Hera being goddess of marriage and family would want a perfect family, apparently an ugly child doesn't make a perfect family.
The Greek gods were viewed as omnipotent. They aren't superheroes with specific strengths and weaknesses.
As queen of the gods Hera's Strength and invulnerability is incalculable by mortal (even superman's) standard's.
Is Hera as strong as Zeus?
Some say yes. Some say no.
They were not listed, they must be determined by the individual studying such Greek gods.
She was wise about marriage and family.
The goddess Hera, her realm was the domains of marriage and majesty.
Zeus
Heras fencing has been known to supply railings, sports fencing, mesh fencing, and gates. Acquiring Heras fencing may not be possible outside of Doncaster, South Yorkshire, England.
Cupid or Hermes
hearion, was built to honor Hera
Heras was created in 1956.
Henry Heras was born in 1888.
Henry Heras died in 1955.
Elvira Heras was born in 1969, in Spain.
Roberto Heras was born on February 21, 1974.
Roberto Heras was born on February 21, 1974.
Pablo Heras-Casado was born in 1977.
Luis Delso Heras was born in 1952.
Heras de Ayuso's population is 150.
Roberto Heras was born on February 21, 1974.
Guillermo Heras was born in 1952, in Madrid, Madrid, Spain.
Sol Heras was born in 1987, in Manchester, England, UK.