Weather in South London during June 2008
A rather dry month, and the coolest June for 6 years.
Temperatures
The average maximum temperature during June 2008 in Morden was 20.6 Celsius (69F), and that was a fraction of a degree below normal. The average minimum temperature was 11.6 Celsius (53F), and that was very slightly above normal. The mean temperature was 0.1 Celsius below average, making it the coolest June in South London since 2002.
The highest temperature recorded during the month was 27.0 Celsius (81F) on the 9th, but there was only 1 other occasion when the maximum exceeded 24 Celsius (75F), the 8th. Temperatures exceeded 20 Celsius (68F) from the 8th until the 11th, and again from the 22nd until the end of the month, but there were only 4 other days when maxima exceeded 20 Celsius (68F). On 4 days, the temperature failed to reached 18 Celsius (64F) and on the 12th the high was only 15.2 Celsius (59F).
There were only 8 nights when the minimum temperature remained above 13 Celsius, but on both the 22nd and 28th the minima were only a fraction of a degree below 17 Celsius (63F). There were 5 nights when the minimum temperature fell below 10 Celsius (50F), and early on both the 5th and 16th the temperature dropped slightly below 8 Celsius (46F).
Frost
No frost occurred during June with the lowest grass temperature, 2.7 Celsius (37F), occurring on the night of the 15th/16th.
Rain
Measurable rain fell on 11 days during June, a figure to be expected at this time of year. However, there were only 5 'wet days' (1mm/0.04 ins or more). Normally, there are 9 wet days. The total rainfall for the month was 33 millimetres (1.3 ins.) and that was over 30% below average. There were only 2 days, the 2nd and 11th, when daily falls exceeded 10 millimetres (0.4 ins.), with the wettest day, the 2nd, collecting just over 11 millimetres of rain. Most of the rain fell during the first fortnight of June, with less than 5 millimetres (0.2 ins) measured after the 14th.
Thunderstorms
There were no thunderstorms observed during June.
Hail
Pea-sized hail briefly occurred mid evening on the 14th.
Wind
Winds were mostly between southwest and northwest during June gentle or moderate in strength. The highest gust was 26 knots (30 mph) on the 22nd.
Fog
There was no fog during June.
The average maximum temperature during June 2008 in Morden was 20.6 Celsius (69F), and that was a fraction of a degree below normal. The average minimum temperature was 11.6 Celsius (53F), and that was very slightly above normal. The mean temperature was 0.1 Celsius below average, making it the coolest June in South London since 2002.
The highest temperature recorded during the month was 27.0 Celsius (81F) on the 9th, but there was only 1 other occasion when the maximum exceeded 24 Celsius (75F), the 8th. Temperatures exceeded 20 Celsius (68F) from the 8th until the 11th, and again from the 22nd until the end of the month, but there were only 4 other days when maxima exceeded 20 Celsius (68F). On 4 days, the temperature failed to reached 18 Celsius (64F) and on the 12th the high was only 15.2 Celsius (59F).
There were only 8 nights when the minimum temperature remained above 13 Celsius, but on both the 22nd and 28th the minima were only a fraction of a degree below 17 Celsius (63F). There were 5 nights when the minimum temperature fell below 10 Celsius (50F), and early on both the 5th and 16th the temperature dropped slightly below 8 Celsius (46F).
Frost
No frost occurred during June with the lowest grass temperature, 2.7 Celsius (37F), occurring on the night of the 15th/16th.
Rain
Measurable rain fell on 11 days during June, a figure to be expected at this time of year. However, there were only 5 'wet days' (1mm/0.04 ins or more). Normally, there are 9 wet days. The total rainfall for the month was 33 millimetres (1.3 ins.) and that was over 30% below average. There were only 2 days, the 2nd and 11th, when daily falls exceeded 10 millimetres (0.4 ins.), with the wettest day, the 2nd, collecting just over 11 millimetres of rain. Most of the rain fell during the first fortnight of June, with less than 5 millimetres (0.2 ins) measured after the 14th.
Thunderstorms
There were no thunderstorms observed during June.
Hail
Pea-sized hail briefly occurred mid evening on the 14th.
Wind
Winds were mostly between southwest and northwest during June gentle or moderate in strength. The highest gust was 26 knots (30 mph) on the 22nd.
Fog
There was no fog during June.