Allegan, MI Weather. Allegan, MI climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's. The warmest month of the year is July with an average maximum temperature of 81.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 14.40 degrees Fahrenheit.
How long does fumigation take? Does it leave behind a toxic residue? Fumigation typically takes two-and-a-half to three daysâif we start on a Monday, you could be back in the house on Wednesday evening. The fumigant is an odorless, colorless gas, not a mist or spray. Thereâs actually a warning agent thatâs added to it so you know when youâre exposed, much like the gas company adds an odor to natural gas so you can smell a leak. The fumigant doesnât leave behind any residue or odors.
Additional Costs When Fumigating. Fumigating may carry extra costs, depending on the company and the degree of infestation. For example, some fumigation companies charge an additional $100 to $200 for a pre-fumigation home inspection.umigation prices vary based on square footage, generally costing from $1 to $3 per square foot. For example, a 2,000 square foot could between $2,000 to $6,000 to fumigate.