The Nacogdoches County piney woods pest calendar
Twelve months, built from Nacogdoches County's own rainfall and temperature averages.
Nacogdoches sits in a humid subtropical climate with hot summers (July averages a 93 degree high) and mild winters (January averages a 61 degree high and a 39 degree low). Annual rainfall runs close to 51 inches, with April as the wettest month at roughly 4.7 inches, and December carries the highest relative humidity of the year. Because we rarely see a hard, sustained freeze, pest pressure never fully resets the way it does farther north. The calendar below reflects that: a slow winter instead of a dead one, and a spring and summer that build fast.
January
- Mild winters (avg high 61, low 39) mean rodents keep moving indoors for warmth
- Overwintering ants and roaches stay active on warmer days
February
- Warm-spell activity from ants and roaches picks up ahead of spring
- Good month to schedule a termite inspection before swarm season
March
- Soil warms and subterranean termite activity increases
- Carpenter ants resume foraging as moisture-damaged wood stays wet from spring rain
April
- Wettest month of the year, near 4.7 inches average
- Formosan and native termite swarms follow warm spring rain
May
- Mosquito breeding ramps up with rain-fed standing water
- SFA spring semester ends, rental turnover pest calls begin
June
- Wasps and hornets start new exterior nests
- Roaches and ants trail indoors chasing indoor humidity and AC condensation
July
- Hottest month, avg high 93 degrees, peak mosquito pressure
- Ant and roach activity stays high through the heat
August
- Rodents seek out cooled attics as outdoor heat peaks
- SFA move-in week drives landlord and rental turnover calls
September
- Wasp nests reach full size and defend aggressively
- Cooling nights push occasional invaders like crickets indoors
October
- Cooler nights push mice and rats toward attics and wall voids
- Mosquito activity tapers but doesn't stop without a hard freeze
November
- General outdoor pest activity slows
- Indoor rodent pressure continues as nights get colder
December
- Highest average humidity of the year keeps roaches and silverfish active indoors
- Firewood and holiday deliveries can bring in occasional invaders
Why this calendar doesn't reset in winter
A hard, sustained freeze kills off a lot of pest activity in colder parts of the country. Nacogdoches doesn't get one most years. That's why our quarterly plans treat the exterior perimeter year round instead of skipping a winter visit, and why a termite monitoring station gets checked in January just as carefully as it does in April.
Pest calendar questions
When should I schedule a termite inspection?
February, ahead of the April swarm window, gives us time to install monitoring or treatment before the highest-activity month.
When does mosquito season really start here?
Standing water from spring rain gets breeding started in April and May, well before the July heat peak. Starting a program in March catches that window.
Do pests actually slow down in winter?
Some, but not all. Without a hard freeze, ants, roaches, and rodents keep some level of activity through January and February, just at a slower pace than summer.
Book service timed to your season
Tell us what's active right now and we'll get you on the schedule.