Those are the recommended temperatures if you really need a need roof as long as you get 2 or more days above 3 0 f.
Roofing installation temperature.
If the roofing job needs to be done immediately due to leaks or wind damage lay a tarp over the damaged section of the roof or install temporary roofing.
If you re installing roofing shingles in cold weather below these temperatures your shingles may become brittle and more prone to breakage.
Arma the asphalt roofing manufacturing association and most glass fiber shingle manufacturers caution against the installation of glass reinforced shingles in temperatures at or below 40 degrees f.
Actually there are many places on earth like in the northern states where the temperatures are always low and still the roofs are perfectly installed all the time.
The most important aspect to consider when installing a roof during cold temperatures is manual sealing.
In hot weather for easiest handling temperatures should be below 90 f.
Shingles need to be hand sealed if the weather is cold.
According to roofing construction estimating by daniel benn atcheson the best temperatures to install asphalt shingles is between 40 and 85 degrees f 4 and 26 degrees c.
The best temperature range for roof installations is between 70 and 80 degrees fahrenheit 21 27 degrees celsius but when is it too cold to roof.
Many roofing products have adhesive properties that require the sun s heat for activation.
In cold weather for easiest handling temperatures should be above 40 f.
You will be cover.