April 2019 was warmer than average (8.6°C versus an average of 8.5°C), drier than average (17.60 mm versus an average total of 38.96) and windier than average (a wind run of 3094 miles versus an average of 2786). The month was very average with no records broken.
The highest temperature in the month was at 17:04 on the 20th when the thermometer hit 22.2°C, the highest temperature of 2019 so far. The lowest temperature was -0.3°C at 06:15 on the 13th, the only time the temperature dropped below freezing in the month. The average temperature in the month was 8.6°C, 0.1°C above the April mean. The average daily high temperature was 10.9°C, 1.0°C above the mean, and the average daily low temperature was 3.9°C, 1.3°C above the mean.The warmest day was the 22nd with an average temperature of 15.8°C, while the coldest day was the 3rd with an average temperature of 3.8°C.
The monthly average wind chill was 7.7°C. The high dew point was 13.8°C at 15:11 on the 24th, with the low dew point being -2.8°C at 05:00 on the 14th. The monthly average dew point was 4.6°C. There were 206.1 hours of sunshine in the month, the sunniest day being the 21st when 10.7 hours was recorded.
Rainfall in the month totalled 17.6 millimetres, well below the average of 37.0 milliemtres. The year to date total of 147.0 millimetres is 93.6% of the expected April end total. The wettest day was the 25th with 5.2 millimetres..The highest rain rate occurred at 14:03 on the 25th when a rate of 51.2 millimetres per hour was recorded. There was no snow recorded.
The highest barometric pressure of 1031.6 millibars was at 01:04 on the 20th, with the lowest being 989.1 millibars at 16:19 on the 24th. The average pressure in the month was 1013.7 millibars. The highest humidity was 98% at 03:50 on the 30th, and the monthly average humidity was 77%. The lowest humidity was 32% at 13:54 on the 20th.
Winds were slightly higher than average in the month, with the highest wind gust speed being 30 mph recorded at 13:11 on the 27th, 1.1 mph below the month average. The maximum wind speed was 16 mph at 12:12 on the 15th, 3.2 mph below the mean. The wind run was 3093.5 miles, well above the April average of 3075.6 miles. The average gust speed in the month was 6.5 mph, 0.3 mph below the mean. The average wind speed was 4.4 mph, 0.1 mph above the mean. The predominant direction was east south easterly (105°).
The maximum high solar radiation recorded at 12:56 on the 28th was 115 w/m², the highest since 1165 w/m² was recorded on July 9th 2018. The average solar radiation for the month was 166 w/m². The highest U.V. Index was 4.3 recorded at 12:55 on the 28th, the highest since 4.6 was recorded on August 22nd 2018.