Benmore Botanic Garden weather summary for April 2018
HIGHEST maximum air temperature: 17.6ºC on April 21
Lowest maximum air temperature: 5.0ºC on April 4
Average maximum air temperature: 11.3ºC
Lowest minimum air temperature: -2.2ºC on the April 1
Highest minimum air temperature: 10.3ºC on April 19
Average minimum air temperature: 4.8ºC
Highest minimum at grass level: 8.1ºC on April 16
Lowest minimum at grass level: -7.0ºC on April 1
Average minimum at grass level: 2.2ºC
Air minimum below 0.0ºC on two days
Grass level minimum below 0.0ºC on nine days Hail on one day Snow/sleet on one day Thunder on no days Gales on no days Greatest rainfall in one day: 23.6mm on April 3
Rain 0.2mm or more on: 21 days
Rain 1.0mm or more on: 18 days
Rain 5.0mm or more on: 10 days
Trace (between 0.0mm and 0.1mm): four days
Total with measurable rain: 25 days
Average relative humidity: 81.2 per cent
Total rainfall for month: 135.5mm (5.3 inches)
Total rainfall for year: 781.3mm (30.8 inches)
Rainfall for April has been close to average for the time of year.
Average maximum air temperatures have been around 1°C below what could be expected for April, however, average minimum air temperatures have been around 1°C above the long-term average and the occurrence of air and ground frosts has been below average.