March 2021 was warmer than average (6.86°C versus an average of 5.98), drier than average (35.20 mm versus an average total of 42.80) and calmer than average (a wind run of 3202 miles versus an average of 3315).
The maximum temperature in March was 22.3°C recorded at 16:38, on the 31st. This was the highest temperature ever recorded in March beating the previous high of 21.2°C recorded on March 28th 2012. This was the highest temperature since 23.2°C was recorded on September 22nd 2020. The minimum temperature was -1.4°C recorded at 03:55 on the 7th. The average temperature in the month was 6.9°C, 0.8°C above the mean. The average daily high temperature was 10.7°C (0.7°C above the mean) and the average daily low temperature was 3.2°C (0.5°C above the mean).
The warmest day was the 31st with an average temperature of 15.6°C, 2.6°C warmer than any other day in the month. There were 3 frost days in the month. The sunniest day was the 30th when 8.6 hours was recorded. There were 98.5 hours of sunshine in the month, well below the average of 111.7 hours in the month. The average wind chill was 5.8°C, and the average dew point was 4.0°C.
Rainfall in the month was 35.2 millimetres recorded on 14 days. The yearly total was 180.8 millimetres, 138% of the average for the end of March. The wettest day was the 10th with 13.6 millimetres. The highest rain rate of 17.8 millimetres per hour was recorded at 13:06 on the 11th. No snow was recorded.
The highest barometric pressure of 1035.0 millibars was at 08:19 on the 6th. The lowest pressure was 977.8 millibars at 05:05 on the 11th. The average pressure in the month was 1019.1 millibars. The highest humidity was 100% and the monthly average humidity was 83%. The lowest humidity was 45% at 15:31 on the 31st.
Wind speeds were lower than average, with the highest wind gust speed of 32 mph being recorded at 05:03 on the 11th, the highest since a gust of 45 mph was recorded on August 25th 2020. The maximum wind speed was 19 mph at 02:24 on the 11th. The wind run was 3202.5 miles, 338.7 miles below the March average. The average gust speed in the month was 6.2 mph, and the average wind speed was 4.33 mph. The predominant direction was south south-westerly (205°).
The maximum high solar radiation recorded at 12:05 on the 25th was 997 w/m². The average solar radiation for the month was 90 w/m². The highest U.V. Index was 2.7 recorded at 12:02 on the 28th, the highest since September 15th 2020, when 2.8 was recorded.