Fly from
Fly to
Route
Depart
Return
Price
SeattleHyannis
SEA - HYA
SEAHYA
Seattle/Tacoma Intl
Fri 1/3
6:34 am-4:35 pm
1 stop7h 01m
Hyannis Barnstable
Fri 1/10
2:48 pm-9:34 pm
1 stop9h 46m
PortlandHyannis
PDX - HYA
PDXHYA
Portland
Thu 12/19
5:00 am-2:40 pm
3 stops30h 40m
Hyannis Barnstable
Mon 12/30
9:35 am-11:34 pm
2 stops16h 59m
In terms of precipitation, rainfall in Hyannis ranges from 3.0 - 4.1 inches per month. March is typically the wettest month, when rainfall can reach 4.1 in. June is typically the driest time to visit Hyannis when rainfall is around 3.0 in.
If weather is an important factor for your trip to Hyannis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).