January 2019 was average temperature at 3.8°C, drier than average (23.20 mm versus an average total of 44.42) and calmer than average (a wind run of 2667 miles versus an average of 3646).
If it wasn’t for a record breaking cold spell in the final days of the month, January 2019 would have seen above average temperatures. A minimum temperature of -6.7°C recorded at 08:20 on the 31st was the lowest temperature since -7.2°C was recorded on February 11th 2012, and the lowest temperature ever recorded in January. The daytime maximum temperature of 0.4°C on the 31st was the lowest daytime maximum temperature since March 18th 2018 when the maximum was only -0.7°C. The maximum temperature in the month was 11.1°C recorded at 14:00 on the 7th. The average daily high temperature was 6.4°C, with the average daily low temperature being 1.2°C. The warmest day was the 13th with an average temperature of 8.7°C. The coldest day was the 31st with an average temperature of -2.5°C.
The high wind chill in the month was 10.6°C at 13:42 on the 6th, with the low wind chill being -6.7°C at 08:20 on the 31st. The monthly average wind chill was 2.7°C. The high dew point was 9.2°C at 10:59 on the 25th, with the low dew point being -7.7°C at 08:23 on the 31st. The monthly average dew point was 1.8°C. There was 22.17 hours of sunshine in the month, with the sunniest day being the 28th with 4.47 hours.
Rainfall in the month was 23.2 millimetres, recorded on 16 days. Only 2017 with 20.6 millimetres was a drier January. The monthly total was 17.8 millimetres below the month average. The wettest day was the 19th with 4.6 millimetres and the highest rain rate was 6.2 millimetres per hour recorded at 10:38 on the 16th. Measurable snow was recorded on three days and totalled 4 millimetres.The two millimetres on the 17th was the first snowfall since April 2nd 2018.
The highest barometric pressure of 1044.0 millibars at 10:50 on the 2nd was the highest ever recorded in January, and only 0.6 millibars below the highest ever, recorded on February 7th 2012. The lowest barometric pressure was 981.8 millibars at 00:14 on the 27th. The average pressure in the month was 1016.1 millibars. The highest humidity was 100% and the monthly average humidity was 87%, a low for January. The lowest humidity was 60% at 15:47 on the 28th.
Winds were very light in January with the highest wind gust speed being 38 mph recorded at 05:21 on the 13th, slightly below the month average of 38.7 mph.The maximum wind speed was 18 mph at 05:24 on the 13th, 5.8 mph below the mean. The wind run was 2667.0 miles, well below the January average of 3646.2 miles. The average gust speed in the month was 5.3 mph, 2.1 mph below the mean. The average wind speed was 3.6 mph, 1.4 mph below the mean. The predominant direction was south westerly (232°).
The maximum high solar radiation recorded at 12:14 on the 27th was 445 w/m², the highest since 496 w/m² was recorded on November 13th 2018. The average solar radiation for the month was 29 w/m². The highest U.V. Index was 0.5 recorded at 13:00 on the 31st, the first time since November 19th 2018 that an Index was recorded.