There were record-breaking high temperatures in February, with 20C and then 21C exceeded for the first time. Summer was slightly warmer than average all, but also duller and wetter. The average though masks two extraordinary heatwaves. The UK's record high was broken with 38.7C at Cambridge in July. The late August Bank Holiday was exceptionally hot.
January. Overall close to average temperatures. The second half of the month was colder. It was a dry month, and very dry in east and southeast Scotland and northeast England, with 52% average rain overall. Sunshine was average, although again it was sunny in southeast Scotland and northeast England, and dull in the SW. The highest temperature of the month was 14.2 C at Slapton (Devon) on the 25th, and the lowest -14.3C at Braemar on the 31st.
February. Very mild - at 6.7 C CET the mildest since 2002. The mean maxima were particularly high, but the overall mean was brought down by some cool nights, even in the very mild spell at the end of the month. However the month started cold with some severe frosts and snow for the first day or so. A minimum temperature of -15.4C was recorded at Braemar on the 1st. Winds then switched to the west, southwest, and south, bringing warmth and sand deposits form Africa.There was a record-breaking mild spell mid-month. On Thursday 21 Scotland's record maximum (since 1897) was broken, with 18.3C recorded at Aboyne (Aberdeenshire). On the 22nd a new Welsh record is set with 18.1C at Gogerddan (Cardigan Bay), and then broken again with 19.1 on the 24th also at Gogerddan. On Monday the 25th 20.6C broke the 20C record in Trawgoedd (and 20.4 in Northolt, London). It Tuesday 26th was then exceptional: 21.2C at Kew Gardens in London, and 20.8 in Porthmadog (Wales). It was often very sunny too. The fine weather broke down on the final day of the month. Overall it was extremely sunny (144%), being the second sunniest on record (after 2008) and quite dry (82%), particularly in the east, especially in East Scotland. Extraordinarily then the month saw temperatures range from -15.4 to +21.2.
March. March was wet and unsettled until the 17th with W and NW winds, then much drier and anticyclonic. It was mild in the south, less so in the north, particularly in the second half. The final week was very sunny. Overall it was much milder than average, but not as mild as 2012 and 2017. It was very wet (5th wettest since 1910 with 140% of rainfall), particular in Northern Ireland and the Northwest. It was sunny in England and Wales with 114% of average sunshine. Highest temperature of the month was 19.8 C at Kew Gardens on the 26th. Lowest temperature of the month was -6.9 C at Aboyne (Aberdeenshire) on the 5th. 74.6 mm of rain fell at Capel Curig (Gwnedd) on the 16-17th.
April. A mixed month. It started unsettled and cool, but turned warmer from the 5th with easterly winds, before turning cooler again. Then Easter (late this year 19 - 22 April) was very warm. The hottest day of the year so far (since February of course) was Saturday 20, when Gosport (Hants.) reached 25.5C. Scotland (23.4C, Edinburgh), Wales (23.2, Hawarden), and Northern Ireland (21.0C, Helen's Bay, Co, Down) had a record-breakingly warm Easter Sunday. Easter Monday was even warmer, with 24.2C at Kinlochewe, 23.6 at Cardiff, and 21.7C at Armagh; it reached 24.6C at Heathrow. The final week was unsettled and stormy in places. Overall it was warmer than average, particularly in NW Scotland. It was dry overall, with 71% of average, particularly in the southeast. It was slightly sunnier than average (114%). The higest temperature of the month was 25.8C at Treknow (Cornwall) on the 19th, and the lowest -6.8C at Braemar on the 10th. 58.2 mm of rain fell at Buxton on the 27-28th.
May. A rather cool changeable month with some cold and warm spells. The final two days were very warm in the SE. Dry in Wales and the south but wetter elsewhere, giving an average of 93% of rainfall. Average sunshine although cloudier in the north. There was a fine spell in the north midmonth and indeed the highest temperature of the month was 25.8C at Kinlochwere (Ross and Cromarty) on the 15th. The lowest temperature was -6.2C at Kinbrace (Sutherland) on the 7th.
June. Record-breakingly hot in Europe, but changeable here. Overall the mean temperature was close to average. After a warm start it turned cool and wet, very eat in Lincolnshire, particularly between the 10th and 13th, with cool NE winds, causing local flooding. 74.6 mm rain fell at Wainfleet (Lincs.) on the 10-11th. The final third of the month was warmer and more humid, with some thunder. The 29th (extremely hot in Europe with a Saharan plume) was very hot. Sunshine was 95% of average, dull in the Midlands and West, but sunnier than average in eastern Scotland and the north of England. The highest temoerature of the month was 34.0C at Heathrow and Northolt (London) on the 29th.
July. Very warm overall. A cool start, followed by high pressure building, particularly giving fine weather overt he south and west. The second half of the month was more unsettled, but there was an exceptional hot stpell 22 - 26 July. A new July record was set on the 25th with 38.1 in Cambridge in an exceptional heatwave. It was later confirmed that 38.7C (101.7F) was reached at Cambridge Botanical Gardens the same day, beating 2003 and setting a new overall UK record high temperature. Overall rainfall was 114%, but it was relatively dry in the SW and Wales. Sunshine was exactly average. There was an interesting pheneomenon on 25 July at Donna Nook (Lincs.) when during a "heat burst" at 10.20 pm the temperature briefly rose from 22°C to 32°C.
August. Mostly unsettled but with a hot sunny in spell in the south 21 - 27th giving a very hot late August Bank Holiday: it was 30.7C at Heathrow on Saturday 24th. The record late Bank Holiday temperature then occurred on Sunday 25th, with 33.3C recorded at London (Heathrow). It was the hottest late Bank Holiday Monday on record by some way, beating 2017, with 33.2C at London Heathrow (on the 26th). It was then 33.4C at Heathrow on Tuesday 27th, the highest temperature of the month - an extraordinary late spell. A thundery breakdown was followed by a cool end to the month. It was slightly warmer than average, but very wet, with 153% of average, and more than twice the average in the north and northwest. It was very slightly sunnier than average across the country. 69.8 mm of rain fell in 24 hours on the 30-31st at Tyndrum (Perthshire).
September. A fairly average month, with CET slightly above average at 14.3C, but wet (127%), particularly in the south. The month was mostly quiet, becoming warm, but then very unsettled and wet for the final third of the month. It was a sunny month (115%). The highest temperature of the month was 27.7C at Weybourne (Norfolk) on the 22nd.
October. Mostly unsetted. Generaly rather cool, particulary in the north. It was wet in England and Wales, particulary Cornwall and Yorkshire, but slightly drier than average over Scotland, the NW, and Northern Ireland. It was sunnier than average where it was dry. The highest temperature of the month was 21.3C at Trawsgoed (Dyfed) on the 1st and the lowest -6.2C at Altnaharra on the 31st. On the 26th, 101.0 mm of rain fell in the recording day at Libanus in the Brecon Beacons.
November. After a mild, wet start it became a generally cool, and times cold in places, month. Rainfall overall was 97% of average, but it was very wet in the east, with flooding, particularly in south Yorkshire: 63.8 mm of rain fell at Sheffield on the 7-8th. It was rather dull, with sunshine 84% of average. It was however sunny and dry in NW Scotland. The highest temperature of the motnh was 16.9C at North Wyke (Devon) on the 1st, and the lowest -9.9C at Braemar on the 19th. Snow lay to 6 cm at Cromdale (Morayshire) on the 8th.
December. The month was unsettled with a very wet first three weeks, particularly in the east and south of England, where rainfall was close to double the average; overall rainfall was 116% of average. It was milder than average with a few colder interludes. It was sunny in the east but dull in the west, with 113% of the average overall (121 mm in England and Wales). There was a new record December maximum of 18.7C at Achfary (Highlands) on the 28th, thanks to the Foehn effect, beating the 1948 record of 18.3C (also set in north Scotland). On the same day the maxiym at Writtle (Essex) was just 1.7C. The lowest temperature ofnthe month was -10.3 at Tulloch Bridge on the 1st.