June 2021 was warmer than average (15.39°C versus an average of 14.32), drier than average (25.60 mm versus an average total of 59.53) and calmer than average (a wind run of 1451 miles versus an average of 2221).
Weather-wise, June was a fairly typical month. There was no extremes in temperature and rainfall was less than half of normal. The maximum temperature was 25.7°C, recorded at 16:14 on the 16th, the highest of 2021 so far. The minimum temperature was 5.8°C, recorded at 05:04 on the 23rd This was the lowest June temperature since 4.5°C was recorded on June 10th 2015. The average temperature in the month was 15.4°C, 1.0°C above the mean. The average daily high temperature was 20.4°C (1.5°C above the mean) and the average daily low temperature was 10.3°C, (0.1°C above the mean).
The warmest day was the 16th with an average temperature of 19.8°C, while the coldest day was the 21st with an average temperature of 11.9°C. There was no frost days in the month The sunniest day was the 1st with 11.71 hours of sun. There were 225.8 hours of sun in the month, 17.1 hours above the mean.
Rainfall in the month was 25.6 millimetres recorded on 12 days. The yearly total was 301.4 millimetres, 115% of the average for the end of June. The wettest day was the 18th with 10.4 millimetres. The highest rain rate of 13.2 millimetres per hour was recorded at 12:27 on the 6th. There was no snow recorded in the month.
The highest barometric pressure of 1026.4 millibars was at 09:00 on the 13th. The lowest pressure was 1006.7 millibars at 19:13 on the 16th. The average pressure in the month was 1017.5 millibars. The highest humidity was 96% and the monthly average humidity was 80%. The lowest humidity was 38% at 15:54 on the 16th.
Wind speeds were lower than average, with the highest wind gust speed of 19 mph being recorded at 06:42 on the 11th. The maximum wind speed was 11 mph at 18:26 on the 19th. The wind run was 1451.4 miles, 878.9 mph below the average for the month. The average gust speed in the month was 3 mph, and the average wind speed was 2 mph. The predominant direction was west south easterly (164°).
The maximum high solar radiation recorded at 12:43 on the 25th was 1289 w/m², the highest of 2021 so far.. The average solar radiation for the month was 199 w/m². The highest U.V. Index was 6.8 recorded at 13:33 on the 10th, the highest since 7.0 was recorded on August 3rd 2018.