The maximum air temperature in Namsos for this day for the last 73 years of observations is +8°C, recorded in 1975.
An absolute minimum of -27.5°C was recorded in 1963. The average temperature for this day is +5.6°C.
The heaviest rainfall (24.9 mm) in Namsos was recorded in 1953. The maximum wind gusts were up to 28.56 m/s in 2000.