A warm first ten days with four days exceeding 20 Celsius, thereafter unsettled and wet with temperatures around average. Short colder snap mid-month with a brief air frost and a handful of ground frosts. Notably wet 18th-20th with 56.6 mm in this period with some local flooding. Very little fog this month.
Anomalies (in brackets) refer to the estimated 1991-2020 averages.
Mean max: 15.3 (+1.4)
Mean min: 8.0 (+1.7)
Mean temp: 11.7 (+1.6)
Mean 30cm earth temp: 13.6
Highest max: 23.6 ( 9th)
Lowest max: 10.2 (16th)
Lowest min: -0.1 (16th)
Highest min: 15.4 ( 6th)
Lowest grass min: -2.0 (16th)
Air frosts: 1 (-1)
Air frost hours: 0.02
Ground frosts: 4 (-2)
Days with max 20.0 to 24.9: 4
Days with max 15.0 to 19.9: 9
Days with max 10.0 to 14.9: 18
Days with min 15.0 to 19.9: 1
Days with min 10.0 to 14.9: 6
Days with min 5.0 to 9.9: 18
Days with min 0.0 to 4.9: 5
Days with min -5.0 to -0.1: 1
Total rainfall: 129.8 mm (153%)
Wettest day: 29.2 mm (19th)
Rain days (0.2 mm or more): 24 ( +6)
Wet days (1.0 mm or more): 15 ( +3)
Days >= 10mm: 5 ( +2)
Days >= 20mm: 2
Days with snow/sleet falling: 0
Days with 50%+ snow cover at 09z: 0 ( 0)
Deepest at 0900z 0 (n/a)
Days with thunder heard: 0
Days with hail: 0
Days with fog at 0900z: 0
Highest 10-min mean wind: 20 kn (18th)
Max gust: 33 kn ( 4th)
Days with gale: 0
Highest wind run: 284.2 nm (20th)
Wind direction at 0900z: N: 3; NE: 7; E: 0; SE: 0; S: 11; SW: 4; W: 3; NW: 3; Calm: 0
Maximum pressure: 1028.0 (15th)
Minimum pressure: 973.6 (20th)