June 2018 weather data

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June 2018 was the warmest June on record in Wales and the third warmest June in the UK since 2010. 

Maximum temperatures were well above average during this period, exceeding 20°C on 21 days with a maximum of 28.8°C on the 26th. 

The month began and ended with warm spells and, overall, the average maximum temperature of 22.2°C was 1.9°C above the Usk* average for June of 20.3°C.

June was also a very dry month, the Penallt total rainfall of 16.0 mm being 27% of the Usk* June average of 60.2 mm. There were 20 days in the month when no measurable rain fell too.

* Usk is the nearest Met Office station for which long term averages (1981-2010) are available.

Day by day data for June are given below:-

                   MONTHLY CLIMATOLOGICAL SUMMARY for JUN. 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
------------------------------------------------------------------------------------
1   18.2  22.8   14:30  14.7   00:00  1.3   1.1    7.0   0.5  14.5   17:30    W
2 18.0 22.4 13:00 14.3 01:30 1.6 1.3 0.0 0.8 11.3 10:00 WSW
3 18.6 25.7 14:30 12.2 03:30 1.6 1.8 0.4 0.0 6.4 10:00 NNE
4 16.8 21.7 14:00 13.7 00:00 1.9 0.4 0.6 0.3 12.9 20:00 SSE
5 13.3 17.5 16:00 11.0 08:30 5.1 0.0 0.4 1.0 14.5 03:00 ENE
6 15.1 21.2 17:30 9.2 04:30 3.8 0.6 0.6 0.5 9.7 13:30 ENE
7 14.4 18.9 15:00 10.2 05:00 3.9 0.0 1.4 0.2 11.3 14:00 ENE
8 14.8 18.0 17:00 12.2 07:30 3.6 0.0 2.2 0.0 8.0 16:30 E
9 16.4 21.1 18:00 12.4 06:30 2.3 0.4 0.0 0.0 6.4 07:30 ENE
10 16.8 23.1 15:00 11.4 04:30 2.6 1.1 0.0 0.3 8.0 12:00 ENE
11 18.4 24.7 17:30 12.0 05:30 1.8 1.8 0.0 0.5 11.3 14:00 E
12 15.1 19.9 16:00 11.1 04:30 3.3 0.1 0.0 0.5 11.3 08:00 E
13 16.0 20.4 14:30 11.5 04:00 2.7 0.3 0.0 2.1 17.7 13:30 W
14 16.1 21.7 14:30 12.4 00:00 2.8 0.6 1.4 1.9 22.5 08:30 W
15 14.6 19.1 14:30 9.4 05:30 3.8 0.0 0.0 0.6 14.5 16:30 W
16 13.5 17.9 17:00 11.3 05:30 4.8 0.0 1.2 1.8 17.7 11:30 W
17 14.1 16.3 19:00 11.8 06:30 4.3 0.0 0.8 2.3 19.3 17:30 W
18 16.1 20.4 14:00 13.1 03:00 2.4 0.1 0.0 2.4 22.5 18:00 W
19 17.1 21.0 15:30 14.9 05:30 1.5 0.2 0.0 1.9 20.9 16:00 W
20 16.5 19.6 16:00 11.3 00:00 2.0 0.2 0.0 1.8 17.7 09:00 W
21 13.7 19.6 14:30 8.9 06:00 4.8 0.1 0.0 0.8 11.3 10:00 ESE
22 14.8 21.9 16:00 7.5 05:30 4.2 0.6 0.0 0.2 8.0 11:30 E
23 17.2 24.5 16:30 9.0 06:00 2.8 1.7 0.0 0.0 8.0 11:30 ESE
24 17.8 24.7 16:30 10.3 05:30 2.3 1.8 0.0 0.2 4.8 11:00 E
25 20.9 28.6 16:00 12.6 05:30 1.3 3.9 0.0 0.0 6.4 12:00 E
26 22.1 28.8 15:00 13.7 05:30 0.9 4.6 0.0 0.5 11.3 12:30 ENE
27 21.0 26.2 16:30 13.5 06:00 0.7 3.4 0.0 1.0 14.5 14:00 ENE
28 19.1 26.3 16:00 11.2 06:00 1.8 2.6 0.0 0.8 11.3 15:30 E
29 20.1 25.6 17:30 12.7 06:00 1.1 2.8 0.0 1.0 12.9 17:30 ENE
30 18.8 26.4 17:00 11.4 06:00 2.1 2.6 0.0 1.1 16.1 12:30 ENE
-------------------------------------------------------------------------------------
16.8 28.8 26 7.5 22 79.0 34.0 16.0 0.8 22.5 14 W Max >= 32.0: 0 Max <= 0.0: 0 Min <= 0.0: 0 Min <= -18.0: 0 Max Rain: 7.01 ON 01/06/18 Days of Rain: 11 (> .2 mm) 3 (> 2 mm) 0 (> 20 mm) Heat Base: 18.3 Cool Base: 18.3 Method: Integration