How Long Do Monarchs Live?
Estimating the Lifespan of a Monarch of the Overwintering Generation
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Assuming a butterfly emerged as an adult on August 25th. As of the following April 25th, how long has the butterfly been alive?

Answer: 243 days (or 32 weeks, or 8 months)!

 

# Days

# Weeks

# Months

August 25 (emerged)

6

1

 

September

30

4

1

October

31

4

1

November

30

4

1

December

31

4

1

January

31

4

1

February

28

4

1

March

31

4

1

April 25 (still alive)

25

3

1

TOTAL

243 Days

32 Weeks

8 Months

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