January 2020 was warmer than average (6.04°C versus an average of 3.84), wetter than average (44.20 mm versus an average total of 42.34) and windier than average (a wind run of 3794 miles versus an average of 3318). The month was also the warmest January here, with the average temperature beating the previous high of 5.2°C set in 2016.
The new decade started with unseasonally mild weather through the month with just four days of sub-zero temperatures from the 18th and 21st. The maximum temperature in the month was 12.8°C on the 14th at 15:53. The minimum temperature was -1.3°C at 06:23 on the 19th. The average temperature of 6.0°C was 2.0°C above the month mean. The average daily high temperature was 8.8°C, with the average low daily temperature being 3.6°C. These were 2.2°C and 2.0°C respectively above the mean. The warmest day was the 31st with an average temperature of 9.6°C, while the coolest day was the 19th with an average temperature of 2.2°C.
The average wind chill in the month was 4.5°C and the average dew point was also 4.5°C. The high dew point was 11.2°C at 18:06 on the 14th. There were 16.6 hours of sunshine in the month, with the sunniest day being the 19th with 2.88 hours of sun recorded.
Rainfall in the month was 44.2 millimetres recorded on 21 days. The yearly total was 130% of the average for the end of January. The wettest day was the 9th when 7.4 millimetres was recorded. The highest rain rate of 81.0 millimetres per hour was recorded at 18:30 on the 13th. No snow was recorded for the 10th successive month.
The highest barometric pressure of 1047.5 millibars was at 02:10 on the 20th, this was the highest ever recorded here, beating the previous highest of 1044.6 millibars set on February 7th 2012., The lowest pressure was 961.6 millibars at 15:29 on the 14th. The average pressure in the month was 1015.6 millibars. The highest humidity was 100% and the monthly average humidity was 90%. The lowest humidity was 64% at 14:40 on the 19th.
Wind speeds were higher than average, with the highest wind gust speed of 38 mph being recorded at 15:12. This was the highest gust speed since 41 mph was recorded on March 15th 2019. The maximum wind speed was 18 mph at 17:01 on the 14th. The wind run was 3793.9 miles, 134.3 miles above the January average. The average gust speed in the month was 7.3 mph, and the average wind speed was 5.2 mph. The predominant direction was west-south westerly (242°).
The maximum high solar radiation recorded at 12:35 on the 14th was 485 w/m². The average solar radiation for the month was 25 w/m². The highest U.V. Index was 0.5 recorded at 12:15 on the 29th, the first time since November 13th that a reading above 0.0 has been noted.