January 2024 was colder and a little drier than usual and the average maximum temperature of 7.0°C was 1.1°C below the Usk average for January of 8.1°C. The minimum temperature sank below 0°C on eight days. The warmest day was the 23rd (max = 11.8°C) and the coldest was the 17th with a maximum of 1.4°C.
The measured rainfall was 104.0 mm, 82% of the Usk* average for January of 127.6 mm. Rain was measured on 12 days in the month, the wettest being the 21st when 38.2 mm fell. There was a period of 15 consecutive days without rain between the 5th and the 19th inclusive.
February 2024 was much warmer than usual and was much wetter than usual also, being the third warmest and third wettest February since records began in April 2011. The month had two frosty mornings, the coldest overnight being -0.9°C on the 24th. Overall, the average maximum temperature of 9.8°C was 1.3°C above the Usk average for February of 8.5°C with a maximum of 14.7°C on the 18th.
The average minimum temperature was high at 4.4°C and this brought the average temperature for the month up to 7.2°C overall, the warmest since records began in 2011.
There were 12 days on which no significant rain (0.2 mm or less) fell, and a total monthly rainfall of 168.6 mm was 93% above the Usk* average for February of 87.4 mm. The wettest day was the 6th with 19.2 mm.
Overall, the Met Office declared the month to be the warmest on record in Wales, with a national average of 6.9°C, slightly below the Penallt figure.
Welsh rainfall nationally was 71% above normal with much of South Wales being 100% or more above.
March 2024 was colder and much wetter than usual. Overall, the average maximum temperature of 10.4°C was 0.7°C below the Usk average for March of 11.1°C.
The coldest by day was the 2nd, with a maximum of 2.3°C, and the warmest was the 20th with a maximum of 15.0°C. There were no days when the minimum fell below zero.
There were 20 days on which rain fell (>0.2 mm), the wettest being the 27th with 18.4 mm. The total rainfall of 162.6 mm was 96% above the Usk* average for March of 83.1 mm. This made it the second wettest March in Penallt since records began in 2011, with 2018 being the wettest (170.8 mm). This is nowhere near as high as the 302.1 mm recorded in Penallt in January 2014 however.
Click the button below for an Excel file giving daily data for 2024:-
* Usk is the nearest Met Office station for which long term averages (1981-2010) are available.