July 2018 was hot and dry for the most part, but ended with heavy rain. The total rainfall of 73.0 mm was 17% above the Usk* average for July of 62.6 mm, most falling on the 29th (51.6 mm). Despite this, there were 23 days on which no measurable rain fell.
The average maximum temperature of 25.4 °C was 3.1 °C above the Usk average for July of 22.3 °C; there were eighteen days when the temperature exceeded 25 °C, the warmest being 30.6 °C on the 8th.
The Met Office stated that July 2018 was the second (equal) warmest July since 1910.
* Usk is the nearest Met Office station for which long term averages (1981-2010) are available.
Day by day data for July are given below:-
MONTHLY CLIMATOLOGICAL SUMMARY for JUL. 2018
NAME: Penallt 210 CITY: STATE:
ELEV: 210 m LAT: 51° 48' 00" N LONG: 2° 42' 00" W
TEMPERATURE (°C), RAIN (mm), WIND SPEED (km/hr)
HEAT COOL AVG
MEAN DEG DEG WIND DOM
DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR
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1 20.8 26.8 17:00 13.9 5:30 0.9 3.4 0.0 0.2 12.9 1:00 E
2 21.9 27.9 15:00 16.4 7:00 0.2 3.8 0.0 1.1 16.1 17:00 NNE
3 19.7 26.5 16:00 12.2 5:00 1.4 2.8 0.0 1.6 17.7 15:00 ENE
4 18.3 24.2 13:00 12.7 5:00 1.4 1.4 0.0 0.6 9.7 17:00 ENE
5 22.1 29.2 15:00 16.8 4:00 0.3 4.1 0.0 0.2 11.3 13:30 W
6 21.1 28.2 14:30 13.5 5:30 1.0 3.8 0.0 0.6 12.9 17:30 W
7 21.2 29.1 16:00 13.4 5:30 1.0 3.9 0.0 0.2 6.4 11:00 E
8 23.0 30.6 15:00 16.1 5:30 0.3 5.0 0.0 0.0 6.4 16:30 ESE
9 22.2 29.1 13:30 16.9 5:30 0.2 4.0 0.0 0.0 6.4 16:30 ESE
10 18.7 23.3 13:00 15.3 6:30 0.9 1.3 0.0 0.3 9.7 0:30 E
11 19.5 26.4 17:30 12.2 6:00 1.4 2.6 0.0 0.0 6.4 11:00 ESE
12 18.2 24.4 17:30 15.3 9:30 0.9 0.8 0.4 0.0 4.8 18:00 ESE
13 18.4 25.2 16:30 14.9 7:00 1.4 1.4 5.8 0.3 11.3 18:30 ENE
14 18.3 24.6 15:30 13.2 5:30 1.7 1.7 0.2 0.8 9.7 13:00 ESE
15 19.7 26.1 18:00 12.1 6:00 1.6 2.9 0.0 0.5 17.7 16:30 W
16 18.3 24.6 15:00 13.3 00:00 1.3 1.3 0.4 1.0 16.1 16:30 W
17 16.7 21.1 15:00 12.1 5:30 2.3 0.6 0.0 0.8 14.5 17:00 W
18 17.2 22.9 17:30 13.1 1:30 2.1 0.9 0.0 0.5 11.3 15:00 W
19 18.9 25.7 14:30 11.3 6:00 1.9 2.5 0.0 0.0 8.0 18:00 ENE
20 18.5 27.2 14:00 13.2 5:30 1.8 1.9 1.0 0.0 8.0 14:30 ESE
21 19.6 24.7 16:00 13.9 5:00 1.2 2.5 0.0 0.0 8.0 20:00 ESE
22 21.8 29.4 16:00 15.0 5:30 0.7 4.2 0.0 0.0 6.4 15:00 W
23 20.6 25.3 12:00 16.4 4:00 0.4 2.6 0.0 0.6 14.5 14:00 W
24 19.8 24.7 16:30 15.2 00:00 0.6 2.1 0.0 0.5 11.3 12:00 W
25 19.1 26.4 16:00 11.0 5:30 1.9 2.6 0.0 0.0 8.0 18:00 W
26 21.3 29.3 16:30 12.9 6:00 1.2 4.3 0.0 0.0 8.0 17:30 W
27 20.2 26.2 16:30 15.0 5:00 0.7 2.6 0.0 1.0 16.1 16:00 W
28 14.8 17.5 13:00 11.7 9:00 3.6 0.0 9.0 2.1 25.7 6:00 W
29 15.7 18.8 14:00 13.4 5:30 2.6 0.0 51.6 3.5 27.4 8:00 W
30 16.6 21.2 14:30 14.3 00:00 1.9 0.2 3.8 0.8 17.7 15:00 W
31 17.0 21.9 15:30 12.7 6:30 2.2 0.8 0.8 1.0 14.5 13:00 W
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19.3 30.6 8 11.0 25 41.0 71.9 73.0 0.6 27.4 29 W
Max >= 32.0: 0
Max <= 0.0: 0
Min <= 0.0: 0
Min <= -18.0: 0
Max Rain: 51.59 ON 29/07/18
Days of Rain: 9 (> .2 mm) 4 (> 2 mm) 1 (> 20 mm)
Heat Base: 18.3 Cool Base: 18.3 Method: Integration