The climate condition of Katipunan
and its neighboring areas like Dipolog City and Municipality of
Roxas, has no pronounced dry season as well as very wet season.
Dry season will usually falls on the month of January, February
and March and often ended in the month of May. Rainfall during
this season was recorded to about I inch (24.5 mm), while wet
season usually falls on month of June to December. Rainfall
during this season was recorded to about 15.54 inches (380.70
mm). The month of December is considered the wettest as heavy
down pour of rain may usually experienced during this month.
Typhoon is often experienced
during the month of October and ended on the month of December.
The possible areas that will be affected by destructive typhoon
are the coastal areas facing the Sulu Sea and the areas along two
big rivers that strips the municipality namely: The Lubungan and
Dicayo rivers. The areas considered flood prone areas are the
barangay of San Antonio, Basagan, Malugas, Sinuyak and a part of
Dr. Jose Rizal, Daanglungsod and Barangay Dos.
The prevailing direction of the wind is northeast from January to April. It has an average velocity of 10 – 16 measured in miles per second. Then it changes its direction westward on May and southeast on the month of June and July with an average velocity of 9 miles per second and from August to October to northwest with an average velocity of 8 –14 miles/second.